[pango/pango2: 89/201] Regenerate layout tests




commit 6ce9d6d66b6725543722fcdba6ea9321d9448499
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 4 14:54:35 2022 -0400

    Regenerate layout tests

 tests/layouts/aaa.layout           |  560 +++---
 tests/layouts/arabic-format.layout |  124 +-
 tests/layouts/bratwurst.layout     |  356 ++--
 tests/layouts/bratwurst2.layout    |  310 +--
 tests/layouts/bratwurst3.layout    |  559 +++---
 tests/layouts/bratwurst4.layout    |  417 ++--
 tests/layouts/effigy.layout        |  307 +--
 tests/layouts/kebab.layout         |  437 ++--
 tests/layouts/letterspacing.layout |  198 +-
 tests/layouts/no-space.layout      |  230 +--
 tests/layouts/tab-assert.layout    |  288 ++-
 tests/layouts/tab-crash.layout     | 2714 +++++++++++++------------
 tests/layouts/tabs-nowrap.layout   |  633 +++---
 tests/layouts/tabs.layout          | 3240 ++++++++++++++----------------
 tests/layouts/valid-1.layout       | 1244 ++++++------
 tests/layouts/valid-10.layout      |  689 ++++---
 tests/layouts/valid-11.layout      |  748 ++++---
 tests/layouts/valid-12.layout      | 1191 +++++------
 tests/layouts/valid-13.layout      | 1282 ++++++------
 tests/layouts/valid-14.layout      |  925 ++++-----
 tests/layouts/valid-15.layout      | 1977 +++++++++---------
 tests/layouts/valid-16.layout      | 1977 +++++++++---------
 tests/layouts/valid-17.layout      |  788 ++++----
 tests/layouts/valid-18.layout      | 1421 ++++++-------
 tests/layouts/valid-19.layout      | 1084 +++++-----
 tests/layouts/valid-2.layout       | 1076 +++++-----
 tests/layouts/valid-20.layout      |  344 ++--
 tests/layouts/valid-21.layout      |  266 +--
 tests/layouts/valid-22.layout      | 1116 +++++------
 tests/layouts/valid-3.layout       |  340 ++--
 tests/layouts/valid-4.layout       | 3848 ++++++++++++++++++------------------
 tests/layouts/valid-5.layout       | 3491 ++++++++++++++++----------------
 tests/layouts/valid-6.layout       |  694 ++++---
 tests/layouts/valid-7.layout       | 1128 ++++++-----
 tests/layouts/valid-8.layout       |  701 ++++---
 tests/layouts/valid-9.layout       |  929 ++++-----
 tests/layouts/vertical.layout      |  436 ++--
 37 files changed, 18755 insertions(+), 19313 deletions(-)
---
diff --git a/tests/layouts/aaa.layout b/tests/layouts/aaa.layout
index 182cfdea..a975b07e 100644
--- a/tests/layouts/aaa.layout
+++ b/tests/layouts/aaa.layout
@@ -19,276 +19,332 @@
   "wrap" : "char",
   "width" : 0,
   "line-spacing" : 1.2999999523162842,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : true,
-    "is-ellipsized" : false,
+    "wrapped" : true,
+    "ellipsized" : false,
+    "hypenated" : true,
     "unknown-glyphs" : 0,
     "width" : 53248,
-    "height" : 318464,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "word-boundary" : true
-      }
-    ],
+    "height" : 323792,
     "lines" : [
       {
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-        "paragraph-start" : true,
-        "direction" : "ltr",
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-            "length" : 1,
-            "text" : "a",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans Mono 32",
-              "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a",
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-            "glyphs" : [
-              {
-                "glyph" : 68,
-                "width" : 26624,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+        "position" : [
+          0,
+          40960
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 1,
+          "start-offset" : 0,
+          "n-chars" : 1,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : true,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 1,
+              "text" : "a",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans Mono 32",
+                "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a"
               },
-              {
-                "glyph" : 1819,
-                "width" : 26624,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+              "flags" : 4,
+              "extra-attributes" : [
+                {
+                  "type" : "line-height",
+                  "value" : 1.2999999523162842
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 68,
+                  "width" : 26624,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 1819,
+                  "width" : 26624,
+                  "log-cluster" : 0
+                }
+              ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 1,
-        "length" : 1,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 1,
-            "length" : 1,
-            "text" : "a",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans Mono 32",
-              "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a",
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-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 68,
-                "width" : 26624,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+        "position" : [
+          0,
+          108852
+        ],
+        "line" : {
+          "start-index" : 1,
+          "length" : 1,
+          "start-offset" : 1,
+          "n-chars" : 1,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : true,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 1,
+              "length" : 1,
+              "text" : "a",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans Mono 32",
+                "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a"
               },
-              {
-                "glyph" : 1819,
-                "width" : 26624,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+              "flags" : 4,
+              "extra-attributes" : [
+                {
+                  "type" : "line-height",
+                  "value" : 1.2999999523162842
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 68,
+                  "width" : 26624,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 1819,
+                  "width" : 26624,
+                  "log-cluster" : 0
+                }
+              ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 2,
-        "length" : 1,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 1,
-            "text" : "a",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans Mono 32",
-              "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a",
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-            "glyphs" : [
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-                "glyph" : 68,
-                "width" : 26624,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+        "position" : [
+          0,
+          176744
+        ],
+        "line" : {
+          "start-index" : 2,
+          "length" : 1,
+          "start-offset" : 2,
+          "n-chars" : 1,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : true,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 2,
+              "length" : 1,
+              "text" : "a",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans Mono 32",
+                "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a"
               },
-              {
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-                "width" : 26624,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+              "flags" : 4,
+              "extra-attributes" : [
+                {
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+                  "value" : 1.2999999523162842
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 68,
+                  "width" : 26624,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 1819,
+                  "width" : 26624,
+                  "log-cluster" : 0
+                }
+              ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 3,
-        "length" : 1,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 3,
-            "length" : 1,
-            "text" : "a",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans Mono 32",
-              "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a",
-              "matrix" : [
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+        "position" : [
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+          244636
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+        "line" : {
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+          "length" : 1,
+          "start-offset" : 3,
+          "n-chars" : 1,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 3,
+              "length" : 1,
+              "text" : "a",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans Mono 32",
+                "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a"
+              },
+              "flags" : 0,
+              "extra-attributes" : [
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+                }
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+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 26624,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
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+            }
+          ]
+        }
       },
       {
-        "start-index" : 4,
-        "length" : 1,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 1,
-            "text" : " ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans Mono 32",
-              "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a",
-              "matrix" : [
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+        "position" : [
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+          312528
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+        "line" : {
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+          "length" : 1,
+          "start-offset" : 4,
+          "n-chars" : 1,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 4,
+              "length" : 1,
+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans Mono 32",
+                "checksum" : "84c5467cadd1f6f23db0d9fbb6377e0d301334d3b5f36e6d5acebd34d0857d3a"
+              },
+              "flags" : 0,
+              "extra-attributes" : [
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+                }
+              ],
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+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 3,
+                  "width" : 26624,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
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-            "end-x-offset" : 0,
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-                "width" : 26624,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/arabic-format.layout b/tests/layouts/arabic-format.layout
index 568b5466..d7bbb7a4 100644
--- a/tests/layouts/arabic-format.layout
+++ b/tests/layouts/arabic-format.layout
@@ -17,72 +17,78 @@
   "comment" : "Test that font fallback works\nfor visible format characters\nin the Arabic block.",
   "text" : "۝",
   "font" : "Sans 32",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 56320,
     "height" : 77824,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      }
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     "lines" : [
       {
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-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 2,
-            "text" : "۝",
-            "bidi-level" : 2,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "Amiri 32",
-              "checksum" : "d5e6374130d6df09e66f80f0bbcb7262112584ebadb861f0a412a21cc742a5dd",
-              "matrix" : [
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+        "position" : [
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+        "line" : {
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+          "length" : 2,
+          "start-offset" : 0,
+          "n-chars" : 1,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 2,
+              "text" : "۝",
+              "bidi-level" : 2,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Amiri 32",
+                "checksum" : "d5e6374130d6df09e66f80f0bbcb7262112584ebadb861f0a412a21cc742a5dd"
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1,
+                  "width" : 56320,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "width" : 56320,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/bratwurst.layout b/tests/layouts/bratwurst.layout
index cb3be43d..fb218cd9 100644
--- a/tests/layouts/bratwurst.layout
+++ b/tests/layouts/bratwurst.layout
@@ -26,196 +26,194 @@
   ],
   "font" : "Cantarell Bold 32",
   "width" : 87040,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 200704,
     "height" : 53248,
-    "log-attrs" : [
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-        "sentence-boundary" : true,
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-        "break-inserts-hyphen" : true
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-        "break-inserts-hyphen" : true
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-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
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     "lines" : [
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-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 4,
-            "text" : "Brat",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
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-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
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+        "position" : [
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+          43008
+        ],
+        "line" : {
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+          "length" : 9,
+          "start-offset" : 0,
+          "n-chars" : 9,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 4,
+              "text" : "Brat",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell Bold 32",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 8374
+                }
               },
-              "matrix" : [
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-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 28672,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
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+                  "width" : 17408,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
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+                  "width" : 23552,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
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+                  "width" : 16384,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                }
               ]
             },
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-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 409,
-                "width" : 17408,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
+            {
+              "offset" : 4,
+              "length" : 5,
+              "text" : "wurst",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell Bold 32",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
               },
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-                "width" : 23552,
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-                "log-cluster" : 3
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-            "length" : 5,
-            "text" : "wurst",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell Bold 32",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
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-              },
-              "matrix" : [
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-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 467,
+                  "width" : 35840,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 438,
+                  "width" : 24576,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 409,
+                  "width" : 17408,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
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+                  "width" : 20480,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
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+                  "width" : 16384,
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               ]
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-                "width" : 16384,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/bratwurst2.layout b/tests/layouts/bratwurst2.layout
index 45ca8015..0330f6b0 100644
--- a/tests/layouts/bratwurst2.layout
+++ b/tests/layouts/bratwurst2.layout
@@ -19,166 +19,172 @@
   "text" : "Bratwurst",
   "font" : "Cantarell Bold 32",
   "width" : 87040,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 200704,
     "height" : 53248,
-    "log-attrs" : [
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-        "char-break" : true,
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-        "word-start" : true,
-        "sentence-boundary" : true,
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-        "break-inserts-hyphen" : true
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-      {
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-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
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     "lines" : [
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-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 9,
-            "text" : "Bratwurst",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell Bold 32",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 8374
+        "position" : [
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+          43008
+        ],
+        "line" : {
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+          "length" : 9,
+          "start-offset" : 0,
+          "n-chars" : 9,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 9,
+              "text" : "Bratwurst",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell Bold 32",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
               },
-              "matrix" : [
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-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 28672,
+                  "is-cluster-start" : true,
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+                },
+                {
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+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
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+                  "is-cluster-start" : true,
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+                },
+                {
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+                  "width" : 16384,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
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+                  "width" : 35840,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
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+                  "width" : 24576,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                },
+                {
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+                  "width" : 17408,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
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+                  "width" : 20480,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 7
+                },
+                {
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+                  "width" : 16384,
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               ]
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-                "width" : 16384,
-                "is-cluster-start" : true,
-                "log-cluster" : 8
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/bratwurst3.layout b/tests/layouts/bratwurst3.layout
index ce95ece7..de28af37 100644
--- a/tests/layouts/bratwurst3.layout
+++ b/tests/layouts/bratwurst3.layout
@@ -20,295 +20,316 @@
   "font" : "Cantarell Bold 32",
   "wrap" : "word-char",
   "width" : 87040,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
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diff --git a/tests/layouts/bratwurst4.layout b/tests/layouts/bratwurst4.layout
index 102e3975..d9fd1afb 100644
--- a/tests/layouts/bratwurst4.layout
+++ b/tests/layouts/bratwurst4.layout
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-                "log-cluster" : 2
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-                "width" : 16384,
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-                "width" : 0,
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-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 1081,
-                "width" : 18432,
-                "log-cluster" : 4
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 6,
-        "length" : 5,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
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-            "offset" : 6,
-            "length" : 5,
-            "text" : "wurst",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell Bold 32",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 8374
+        "position" : [
+          0,
+          96256
+        ],
+        "line" : {
+          "start-index" : 6,
+          "length" : 5,
+          "start-offset" : 5,
+          "n-chars" : 5,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 6,
+              "length" : 5,
+              "text" : "wurst",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell Bold 32",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 8374
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 467,
+                  "width" : 35840,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 438,
+                  "width" : 24576,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 409,
+                  "width" : 17408,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 417,
+                  "width" : 20480,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
+                  "glyph" : 430,
+                  "width" : 16384,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "width" : 35840,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
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-                "width" : 24576,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
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-              {
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-                "width" : 17408,
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-                "log-cluster" : 2
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-                "width" : 20480,
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-                "width" : 16384,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/effigy.layout b/tests/layouts/effigy.layout
index 0bc73956..d4ae8575 100644
--- a/tests/layouts/effigy.layout
+++ b/tests/layouts/effigy.layout
@@ -21,164 +21,175 @@
   "wrap" : "char",
   "width" : 81920,
   "height" : 2048,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : true,
-    "is-ellipsized" : false,
+    "wrapped" : true,
+    "ellipsized" : false,
+    "hypenated" : true,
     "unknown-glyphs" : 0,
     "width" : 71680,
     "height" : 104448,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
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-        "length" : 3,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
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-            "offset" : 0,
-            "length" : 3,
-            "text" : "eff",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans 32",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
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-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 72,
-                "width" : 26624,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+        "position" : [
+          0,
+          40960
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 3,
+          "start-offset" : 0,
+          "n-chars" : 3,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : true,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
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+              "offset" : 0,
+              "length" : 3,
+              "text" : "eff",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans 32",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 5041,
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-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 2803,
-                "width" : 15360,
-                "log-cluster" : 1
-              }
-            ]
-          }
-        ]
+              "flags" : 4,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 72,
+                  "width" : 26624,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 5041,
+                  "width" : 29696,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 2803,
+                  "width" : 15360,
+                  "log-cluster" : 1
+                }
+              ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 3,
-        "length" : 3,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 3,
-            "text" : "igy",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
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-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
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-            "glyphs" : [
-              {
-                "glyph" : 76,
-                "width" : 12288,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+        "position" : [
+          0,
+          93184
+        ],
+        "line" : {
+          "start-index" : 3,
+          "length" : 3,
+          "start-offset" : 3,
+          "n-chars" : 3,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 3,
+              "length" : 3,
+              "text" : "igy",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans 32",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 74,
-                "width" : 27648,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 92,
-                "width" : 25600,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              }
-            ]
-          }
-        ]
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 76,
+                  "width" : 12288,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 74,
+                  "width" : 27648,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 92,
+                  "width" : 25600,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                }
+              ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/kebab.layout b/tests/layouts/kebab.layout
index c5253fd9..1c066ccf 100644
--- a/tests/layouts/kebab.layout
+++ b/tests/layouts/kebab.layout
@@ -19,231 +19,242 @@
   "text" : "Döner Kebab",
   "font" : "Cantarell Bold 32",
   "width" : 87040,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : true,
-    "is-ellipsized" : false,
+    "wrapped" : true,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 126976,
     "height" : 106496,
-    "log-attrs" : [
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-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
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-        "expandable-space" : true,
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-        "word-boundary" : true
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-        "direction" : "ltr",
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-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
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-              "variations" : {
-                "wght" : 8374
+        "position" : [
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+          43008
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+        "line" : {
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+          "length" : 7,
+          "start-offset" : 0,
+          "n-chars" : 6,
+          "wrapped" : true,
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+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
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+              "length" : 7,
+              "text" : "Döner ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell Bold 32",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+              "glyphs" : [
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+                },
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+                  "width" : 25600,
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+                  "log-cluster" : 1
+                },
+                {
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+                  "width" : 25600,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
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+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
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+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                },
+                {
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+                  "width" : 0,
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+                  "log-cluster" : 6
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-              {
-                "glyph" : 409,
-                "width" : 17408,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
-              },
-              {
-                "glyph" : 268435455,
-                "width" : 0,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 7,
-        "length" : 5,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 7,
-            "length" : 5,
-            "text" : "Kebab",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell Bold 32",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 8374
+        "position" : [
+          0,
+          96256
+        ],
+        "line" : {
+          "start-index" : 7,
+          "length" : 5,
+          "start-offset" : 6,
+          "n-chars" : 5,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 7,
+              "length" : 5,
+              "text" : "Kebab",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell Bold 32",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 8374
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 100,
+                  "width" : 28672,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 287,
+                  "width" : 23552,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 272,
+                  "width" : 25600,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 244,
+                  "width" : 23552,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
+                  "glyph" : 272,
+                  "width" : 25600,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 100,
-                "width" : 28672,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 287,
-                "width" : 23552,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 272,
-                "width" : 25600,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 244,
-                "width" : 23552,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              },
-              {
-                "glyph" : 272,
-                "width" : 25600,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/letterspacing.layout b/tests/layouts/letterspacing.layout
index 87822cce..040fc686 100644
--- a/tests/layouts/letterspacing.layout
+++ b/tests/layouts/letterspacing.layout
@@ -26,109 +26,115 @@
     }
   ],
   "font" : "DejaVu Sans 32",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 63488,
     "height" : 52224,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
-        "start-index" : 0,
-        "length" : 3,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 3,
-            "text" : "ffi",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans 32",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
-              ]
-            },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "type" : "letter-spacing",
-                "value" : 10240
-              },
-              {
-                "type" : "font-features",
-                "value" : "liga=1"
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 73,
-                "width" : 20480,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+        "position" : [
+          0,
+          40960
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 3,
+          "start-offset" : 0,
+          "n-chars" : 3,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 3,
+              "text" : "ffi",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans 32",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 73,
-                "width" : 25600,
-                "x-offset" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 76,
-                "width" : 17408,
-                "x-offset" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              }
-            ]
-          }
-        ]
+              "flags" : 0,
+              "extra-attributes" : [
+                {
+                  "type" : "letter-spacing",
+                  "value" : 10240
+                },
+                {
+                  "type" : "font-features",
+                  "value" : "liga=1"
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 73,
+                  "width" : 20480,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 73,
+                  "width" : 25600,
+                  "x-offset" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 76,
+                  "width" : 17408,
+                  "x-offset" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                }
+              ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/no-space.layout b/tests/layouts/no-space.layout
index b31b26bb..010cc56a 100644
--- a/tests/layouts/no-space.layout
+++ b/tests/layouts/no-space.layout
@@ -17,125 +17,131 @@
   "comment" : "Test that we get synthesized spaces\nfrom HarfBuzz.",
   "text" : "    ",
   "font" : "Font Awesome 5 Free 32",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "sentence-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-end" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 4,
     "width" : 89088,
     "height" : 45056,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "backspace-deletes-character" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "expandable-space" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "sentence-start" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-end" : true,
-        "backspace-deletes-character" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "expandable-space" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
-        "start-index" : 0,
-        "length" : 7,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 7,
-            "text" : "    ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "Font Awesome 5 Free Solid Heavy 32",
-              "checksum" : "8fe6cd51391fa6f8c2008609ddd489bb81a6d7674f3a1c8b7fa07efd026a6397",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
-              ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 268435488,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 268435488,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
+        "position" : [
+          0,
+          38912
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 7,
+          "start-offset" : 0,
+          "n-chars" : 5,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 7,
+              "text" : "    ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Font Awesome 5 Free Solid Heavy 32",
+                "checksum" : "8fe6cd51391fa6f8c2008609ddd489bb81a6d7674f3a1c8b7fa07efd026a6397"
               },
-              {
-                "glyph" : 1,
-                "width" : 44032,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 268435488,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
-              },
-              {
-                "glyph" : 268435488,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              }
-            ]
-          }
-        ]
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 268435488,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 268435488,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 1,
+                  "width" : 44032,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 268435488,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                },
+                {
+                  "glyph" : 268435488,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                }
+              ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/tab-assert.layout b/tests/layouts/tab-assert.layout
index 2660e5ea..fc884793 100644
--- a/tests/layouts/tab-assert.layout
+++ b/tests/layouts/tab-assert.layout
@@ -17,166 +17,156 @@
   "comment" : "This layout was triggering an assertion in process_line",
   "text" : " \t  ",
   "width" : 0,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 56320,
     "height" : 19456,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "backspace-deletes-character" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "expandable-space" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "sentence-boundary" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
-        "start-index" : 0,
-        "length" : 4,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 1,
-            "text" : " ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "DejaVu Sans 12",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
-              ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 3,
-                "width" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 1,
-            "length" : 1,
-            "text" : "\t",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "DejaVu Sans 12",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+        "position" : [
+          0,
+          15360
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 4,
+          "start-offset" : 0,
+          "n-chars" : 4,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 1,
+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "DejaVu Sans 12",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 3,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 268435455,
-                "width" : 40960,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 2,
-            "length" : 2,
-            "text" : "  ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "DejaVu Sans 12",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+            {
+              "offset" : 1,
+              "length" : 1,
+              "text" : "\t",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "DejaVu Sans 12",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 268435455,
+                  "width" : 40960,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 3,
-                "width" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+            {
+              "offset" : 2,
+              "length" : 2,
+              "text" : "  ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "DejaVu Sans 12",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 3,
-                "width" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              }
-            ]
-          }
-        ]
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 3,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 3,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                }
+              ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/tab-crash.layout b/tests/layouts/tab-crash.layout
index eb3021b6..e001bbc5 100644
--- a/tests/layouts/tab-crash.layout
+++ b/tests/layouts/tab-crash.layout
@@ -35,1394 +35,1370 @@
     ]
   },
   "width" : 587776,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
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+      "break-inserts-hyphen" : true
+    },
+    {
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+      "break-inserts-hyphen" : true
+    },
+    {
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+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
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+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
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+      "char-break" : true,
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
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+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
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+      "char-break" : true,
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+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
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+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
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+    {
+      "char-break" : true,
+      "cursor-position" : true
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+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
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+    {
+      "char-break" : true,
+      "cursor-position" : true
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+      "char-break" : true,
+      "cursor-position" : true
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+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
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+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
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+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
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+    {
+      "char-break" : true,
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+      "break-inserts-hyphen" : true
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+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : true,
-    "is-ellipsized" : false,
+    "wrapped" : true,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 552960,
     "height" : 58368,
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diff --git a/tests/layouts/tabs-nowrap.layout b/tests/layouts/tabs-nowrap.layout
index 8986aee3..dfbd8c16 100644
--- a/tests/layouts/tabs-nowrap.layout
+++ b/tests/layouts/tabs-nowrap.layout
@@ -23,340 +23,335 @@
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     ]
   }
diff --git a/tests/layouts/tabs.layout b/tests/layouts/tabs.layout
index ff2a4cf1..b9ba962e 100644
--- a/tests/layouts/tabs.layout
+++ b/tests/layouts/tabs.layout
@@ -47,1789 +47,1589 @@
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-                -0,
-                1,
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-                0
+            {
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+              "length" : 4,
+              "text" : "more",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
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+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
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+              "end-x-offset" : 0,
+              "glyphs" : [
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+                  "is-cluster-start" : true,
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+                },
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+                },
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+                },
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+                }
               ]
             },
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-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
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-              },
-              "matrix" : [
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-                0,
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+            {
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+              "length" : 1,
+              "text" : "\t",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 14 @wght=400",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 268435455,
+                  "width" : 46080,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
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-            "length" : 2,
-            "text" : "so",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
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-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
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-              },
-              "matrix" : [
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+            {
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+              "length" : 2,
+              "text" : "so",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
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+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                }
               ]
             },
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+            {
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+              "length" : 1,
+              "text" : "\t",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 14 @wght=400",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 268435455,
+                  "width" : 46080,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
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-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "log-cluster" : 0
-              }
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-          },
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-            "length" : 4,
-            "text" : "more",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
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-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
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-              },
-              "matrix" : [
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-                -0,
-                1,
-                0,
-                0
+            {
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+              "length" : 4,
+              "text" : "more",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 14 @wght=400",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
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+                  "width" : 17408,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
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+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 287,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                }
               ]
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-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-1.layout b/tests/layouts/valid-1.layout
index 9f7a448d..68203657 100644
--- a/tests/layouts/valid-1.layout
+++ b/tests/layouts/valid-1.layout
@@ -33,644 +33,634 @@
   "font" : "Cantarell 11",
   "ellipsize" : "end",
   "width" : 225280,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : true,
+    "wrapped" : false,
+    "ellipsized" : true,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 225280,
     "height" : 19456,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
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-        "word-boundary" : true
-      },
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-        "break-inserts-hyphen" : true
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-              {
-                "start" : 22,
-                "end" : 41,
-                "type" : "underline",
-                "value" : "single"
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1062,
-                "width" : 20480,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-10.layout b/tests/layouts/valid-10.layout
index 6363bdab..802da8cc 100644
--- a/tests/layouts/valid-10.layout
+++ b/tests/layouts/valid-10.layout
@@ -18,386 +18,359 @@
   "comment" : "Mixed-direction ellipsization",
   "text" : "Hello שלום Γειά σας",
   "font" : "Cantarell 11",
-  "justify" : true,
   "ellipsize" : "end",
   "width" : 102400,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : true,
+    "wrapped" : false,
+    "ellipsized" : true,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 102400,
     "height" : 19456,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "backspace-deletes-character" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
-        "start-index" : 0,
-        "length" : 30,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 6,
-            "text" : "Hello ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+        "position" : [
+          0,
+          15360
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 30,
+          "start-offset" : 0,
+          "n-chars" : 19,
+          "wrapped" : false,
+          "ellipsized" : true,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 6,
+              "text" : "Hello ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 76,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 287,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 349,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 349,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 76,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 287,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
+            {
+              "offset" : 6,
+              "length" : 8,
+              "text" : "שלום",
+              "bidi-level" : 1,
+              "gravity" : "south",
+              "language" : "he",
+              "script" : "Hebr",
+              "font" : {
+                "description" : "DejaVu Sans 11",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 349,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 349,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              },
-              {
-                "glyph" : 370,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
-              }
-            ]
-          },
-          {
-            "offset" : 6,
-            "length" : 8,
-            "text" : "שלום",
-            "bidi-level" : 1,
-            "gravity" : "south",
-            "language" : "he",
-            "script" : "Hebr",
-            "font" : {
-              "description" : "DejaVu Sans 11",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1332,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
+                  "glyph" : 1324,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 1331,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 1344,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1332,
-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              },
-              {
-                "glyph" : 1324,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
+            {
+              "offset" : 14,
+              "length" : 1,
+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "he",
+              "script" : "Hebr",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              {
-                "glyph" : 1331,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 1344,
-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 14,
-            "length" : 1,
-            "text" : " ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "he",
-            "script" : "Hebr",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
-              },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 15,
-            "length" : 2,
-            "text" : "Γ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "el",
-            "script" : "Grek",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 15,
+              "length" : 2,
+              "text" : "Γ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "el",
+              "script" : "Grek",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 677,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 677,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 17,
-            "length" : 13,
-            "text" : "ειά σας",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 17,
+              "length" : 13,
+              "text" : "ειά σας",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 2,
+              "extra-attributes" : [
+                {
+                  "end" : 2147483647,
+                  "type" : "fallback",
+                  "value" : false
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1062,
+                  "width" : 19456,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 2,
-            "extra-attributes" : [
-              {
-                "end" : 2147483647,
-                "type" : "fallback",
-                "value" : false
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1062,
-                "width" : 19456,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-11.layout b/tests/layouts/valid-11.layout
index 2f3165c7..23082183 100644
--- a/tests/layouts/valid-11.layout
+++ b/tests/layouts/valid-11.layout
@@ -55,413 +55,387 @@
   "font" : "Cantarell 11",
   "wrap" : "char",
   "width" : 225280,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
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diff --git a/tests/layouts/valid-12.layout b/tests/layouts/valid-12.layout
index c29e9202..4c5dae62 100644
--- a/tests/layouts/valid-12.layout
+++ b/tests/layouts/valid-12.layout
@@ -48,699 +48,606 @@
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   }
diff --git a/tests/layouts/valid-13.layout b/tests/layouts/valid-13.layout
index ba1855aa..60ff3cff 100644
--- a/tests/layouts/valid-13.layout
+++ b/tests/layouts/valid-13.layout
@@ -48,782 +48,606 @@
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     ]
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+  "log-attrs" : [
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+      "sentence-boundary" : true,
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+      "word-boundary" : true
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+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
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+      "word-boundary" : true
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+      "word-boundary" : true
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+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
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+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
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-            "length" : 1,
-            "text" : "g",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 14,
+              "length" : 1,
+              "text" : "g",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 312,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "type" : "show",
-                "value" : 2
-              }
-            ],
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-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "glyph" : 312,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 15,
-            "length" : 1,
-            "text" : "\t",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 15,
+              "length" : 1,
+              "text" : "\t",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
               },
-              "matrix" : [
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-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 268435455,
+                  "width" : 43008,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "type" : "show",
-                "value" : 2
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "width" : 43008,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
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-          {
-            "offset" : 16,
-            "length" : 1,
-            "text" : "h",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 16,
+              "length" : 1,
+              "text" : "h",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 319,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "type" : "show",
-                "value" : 2
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-14.layout b/tests/layouts/valid-14.layout
index c5c7a487..affe7033 100644
--- a/tests/layouts/valid-14.layout
+++ b/tests/layouts/valid-14.layout
@@ -20,491 +20,492 @@
   "ellipsize" : "start",
   "width" : 161792,
   "line-spacing" : 1.5,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : true,
+    "wrapped" : false,
+    "ellipsized" : true,
+    "hypenated" : false,
     "unknown-glyphs" : 1,
     "width" : 161792,
     "height" : 21047,
-    "log-attrs" : [
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-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
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-        "word-boundary" : true
-      },
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-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
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-        "expandable-space" : true,
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-        "break-inserts-hyphen" : true
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-        "white" : true,
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-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
-      }
-    ],
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       {
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-        "length" : 37,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 6,
-            "text" : "你好",
-            "bidi-level" : 0,
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-            "script" : "Zyyy",
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-              "variations" : {
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+        "position" : [
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+          16951
+        ],
+        "line" : {
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+          "length" : 37,
+          "start-offset" : 0,
+          "n-chars" : 22,
+          "wrapped" : false,
+          "ellipsized" : true,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 6,
+              "text" : "你好",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
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+              "flags" : 2,
+              "extra-attributes" : [
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+                  "type" : "line-height",
+                  "value" : 1.5
+                },
+                {
+                  "end" : 2147483647,
+                  "type" : "fallback",
+                  "value" : true
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1058,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
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+                  "width" : 4096,
+                  "log-cluster" : 0
+                },
+                {
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+                  "width" : 17408,
+                  "log-cluster" : 0
+                }
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-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 1058,
-                "width" : 4096,
-                "log-cluster" : 0
+            {
+              "offset" : 6,
+              "length" : 1,
+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "xx",
+              "script" : "Hani",
+              "font" : {
+                "description" : "Droid Sans Japanese 11",
+                "checksum" : "9e7449c453527829c963330ba36f4de3b20911e185a1df08a97082bb69e795d7"
               },
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+              "flags" : 0,
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+              "end-x-offset" : 0,
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+                  "width" : 4096,
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-              "variations" : {
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+              "text" : "Hello ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
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+              "flags" : 0,
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+              "end-x-offset" : 0,
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+                  "width" : 11264,
+                  "is-cluster-start" : true,
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+                },
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+                  "width" : 8192,
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+                  "width" : 4096,
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+                },
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+                  "log-cluster" : 3
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 76,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+            {
+              "offset" : 13,
+              "length" : 8,
+              "text" : "שלום",
+              "bidi-level" : 1,
+              "gravity" : "south",
+              "language" : "he",
+              "script" : "Hebr",
+              "font" : {
+                "description" : "DejaVu Sans 11",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 287,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 349,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 349,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              },
-              {
-                "glyph" : 370,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
-              }
-            ]
-          },
-          {
-            "offset" : 13,
-            "length" : 8,
-            "text" : "שלום",
-            "bidi-level" : 1,
-            "gravity" : "south",
-            "language" : "he",
-            "script" : "Hebr",
-            "font" : {
-              "description" : "DejaVu Sans 11",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "extra-attributes" : [
+                {
+                  "type" : "line-height",
+                  "value" : 1.5
+                }
+              ],
+              "y-offset" : 337,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1332,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
+                  "glyph" : 1324,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 1331,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 1344,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 337,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1332,
-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              },
-              {
-                "glyph" : 1324,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
+            {
+              "offset" : 21,
+              "length" : 1,
+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "he",
+              "script" : "Hebr",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              {
-                "glyph" : 1331,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 1344,
-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 21,
-            "length" : 1,
-            "text" : " ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "he",
-            "script" : "Hebr",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
-              },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "extra-attributes" : [
+                {
+                  "type" : "line-height",
+                  "value" : 1.5
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 22,
-            "length" : 15,
-            "text" : "Γειά σας",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "el",
-            "script" : "Grek",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 22,
+              "length" : 15,
+              "text" : "Γειά σας",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "el",
+              "script" : "Grek",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "extra-attributes" : [
+                {
+                  "type" : "line-height",
+                  "value" : 1.5
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 677,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 808,
+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 812,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 837,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 8
+                },
+                {
+                  "glyph" : 822,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 9
+                },
+                {
+                  "glyph" : 804,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 11
+                },
+                {
+                  "glyph" : 821,
+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 13
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "glyph" : 677,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 808,
-                "width" : 7168,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 812,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 837,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 8
-              },
-              {
-                "glyph" : 822,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 9
-              },
-              {
-                "glyph" : 804,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 11
-              },
-              {
-                "glyph" : 821,
-                "width" : 7168,
-                "is-cluster-start" : true,
-                "log-cluster" : 13
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-15.layout b/tests/layouts/valid-15.layout
index 0119b3f4..1f18d9c1 100644
--- a/tests/layouts/valid-15.layout
+++ b/tests/layouts/valid-15.layout
@@ -21,1006 +21,1009 @@
   "ellipsize" : "end",
   "width" : 153600,
   "height" : 40960,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
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diff --git a/tests/layouts/valid-16.layout b/tests/layouts/valid-16.layout
index a072c2d5..7a9e0c9f 100644
--- a/tests/layouts/valid-16.layout
+++ b/tests/layouts/valid-16.layout
@@ -22,1006 +22,1009 @@
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+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 14
+                },
+                {
+                  "glyph" : 467,
+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 15
+                },
+                {
+                  "glyph" : 409,
+                  "width" : 6144,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 16
+                },
+                {
+                  "glyph" : 244,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 17
+                },
+                {
+                  "glyph" : 406,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 18
+                },
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 19
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 349,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 370,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 360,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 312,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 287,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
+            {
+              "offset" : 45,
+              "length" : 53,
+              "text" : "due to height limitations. It might, or it might not.",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              {
-                "glyph" : 360,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              },
-              {
-                "glyph" : 370,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 7
-              },
-              {
-                "glyph" : 438,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 8
-              },
-              {
-                "glyph" : 312,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 9
-              },
-              {
-                "glyph" : 319,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 10
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 11
-              },
-              {
-                "glyph" : 430,
-                "width" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 12
-              },
-              {
-                "glyph" : 370,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 13
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 14
-              },
-              {
-                "glyph" : 467,
-                "width" : 11264,
-                "is-cluster-start" : true,
-                "log-cluster" : 15
-              },
-              {
-                "glyph" : 409,
-                "width" : 6144,
-                "is-cluster-start" : true,
-                "log-cluster" : 16
-              },
-              {
-                "glyph" : 244,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 17
-              },
-              {
-                "glyph" : 406,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 18
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 19
-              }
-            ]
-          },
-          {
-            "offset" : 45,
-            "length" : 53,
-            "text" : "due to height limitations. It might, or it might not.",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
-              },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 2,
+              "extra-attributes" : [
+                {
+                  "end" : 2147483647,
+                  "type" : "fallback",
+                  "value" : false
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1062,
+                  "width" : 16384,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 2,
-            "extra-attributes" : [
-              {
-                "end" : 2147483647,
-                "type" : "fallback",
-                "value" : false
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1062,
-                "width" : 16384,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-17.layout b/tests/layouts/valid-17.layout
index c0d7c37a..8e9b1292 100644
--- a/tests/layouts/valid-17.layout
+++ b/tests/layouts/valid-17.layout
@@ -18,448 +18,406 @@
   "comment" : "Hyphenation point should get replaced with a hyphen",
   "text" : "some‧bla‧bla‧bla",
   "font" : "Cantarell 11",
-  "justify" : true,
   "width" : 102400,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true,
+      "break-removes-preceding" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true,
+      "break-removes-preceding" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true,
+      "break-removes-preceding" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : true,
-    "is-ellipsized" : false,
+    "wrapped" : true,
+    "ellipsized" : false,
+    "hypenated" : true,
     "unknown-glyphs" : 0,
-    "width" : 96976,
+    "width" : 93184,
     "height" : 38912,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-end" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "backspace-deletes-character" : true,
-        "break-inserts-hyphen" : true,
-        "break-removes-preceding" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-end" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "backspace-deletes-character" : true,
-        "break-inserts-hyphen" : true,
-        "break-removes-preceding" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-end" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "backspace-deletes-character" : true,
-        "break-inserts-hyphen" : true,
-        "break-removes-preceding" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
-        "start-index" : 0,
-        "length" : 19,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 4,
-            "text" : "some",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+        "position" : [
+          0,
+          15360
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 19,
+          "start-offset" : 0,
+          "n-chars" : 13,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : true,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 4,
+              "text" : "some",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 417,
+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 358,
+                  "width" : 13312,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 287,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 417,
-                "width" : 7326,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 370,
-                "width" : 8508,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
+            {
+              "offset" : 4,
+              "length" : 3,
+              "text" : "‧",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans 11",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 358,
-                "width" : 13628,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 287,
-                "width" : 8508,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              }
-            ]
-          },
-          {
-            "offset" : 4,
-            "length" : 3,
-            "text" : "‧",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans 11",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 2826,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 2826,
-                "width" : 5436,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 7,
-            "length" : 3,
-            "text" : "bla",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 7,
+              "length" : 3,
+              "text" : "bla",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 272,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 349,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 244,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-              {
-                "glyph" : 349,
-                "width" : 4412,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
+            {
+              "offset" : 10,
+              "length" : 3,
+              "text" : "‧",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans 11",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 244,
-                "width" : 8508,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              }
-            ]
-          },
-          {
-            "offset" : 10,
-            "length" : 3,
-            "text" : "‧",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans 11",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
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+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 2826,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "glyph" : 2826,
-                "width" : 5436,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 13,
-            "length" : 3,
-            "text" : "bla",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+            {
+              "offset" : 13,
+              "length" : 3,
+              "text" : "bla",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
               },
-              "matrix" : [
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-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 272,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 349,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 244,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 272,
-                "width" : 8508,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
+            {
+              "offset" : 16,
+              "length" : 3,
+              "text" : "‧",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "DejaVu Sans 11",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
               },
-              {
-                "glyph" : 349,
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-              },
-              {
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-                "width" : 8508,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              }
-            ]
-          },
-          {
-            "offset" : 16,
-            "length" : 3,
-            "text" : "‧",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "DejaVu Sans 11",
-              "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01",
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 4,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 2803,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 4,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "glyph" : 2803,
-                "width" : 5278,
-                "x-offset" : 158,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 19,
-        "length" : 3,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 19,
-            "length" : 3,
-            "text" : "bla",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+        "position" : [
+          0,
+          34816
+        ],
+        "line" : {
+          "start-index" : 19,
+          "length" : 3,
+          "start-offset" : 13,
+          "n-chars" : 3,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 19,
+              "length" : 3,
+              "text" : "bla",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
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-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 272,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 349,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 244,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "log-cluster" : 0
-              },
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-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
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-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-18.layout b/tests/layouts/valid-18.layout
index 9779c127..77cfe7e7 100644
--- a/tests/layouts/valid-18.layout
+++ b/tests/layouts/valid-18.layout
@@ -25,725 +25,728 @@
     }
   ],
   "font" : "Cantarell 11",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
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+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : true,
-    "is-ellipsized" : false,
+    "wrapped" : true,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 5,
     "width" : 302080,
     "height" : 38912,
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diff --git a/tests/layouts/valid-19.layout b/tests/layouts/valid-19.layout
index 1c3dc8e5..4ad51403 100644
--- a/tests/layouts/valid-19.layout
+++ b/tests/layouts/valid-19.layout
@@ -18,599 +18,565 @@
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+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
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+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 18432,
+                  "is-cluster-start" : true,
+                  "is-color" : true,
+                  "log-cluster" : 0
+                }
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-          },
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-            "length" : 7,
-            "text" : "✋🏾",
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-            "language" : "en-us",
-            "script" : "Zyyy",
-            "font" : {
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+            {
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+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
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+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
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+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
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               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
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-            "text" : " 0 # ",
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-            "script" : "Zyyy",
-            "font" : {
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-              "variations" : {
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+            {
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+              "length" : 7,
+              "text" : "✋🏾",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Noto Color Emoji 11",
+                "checksum" : "054c1c2e2ca956b920262840dcad39dcf27bb88d6f70b892b2b1180de2c2ab47",
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+              "end-x-offset" : 0,
+              "glyphs" : [
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+                  "width" : 18432,
+                  "is-cluster-start" : true,
+                  "is-color" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
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-              },
-              {
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-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
+            {
+              "offset" : 36,
+              "length" : 5,
+              "text" : " 0 # ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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               },
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-                "width" : 10240,
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-                "log-cluster" : 3
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-            "text" : "🏴󠁵󠁳󠁣󠁡󠁿",
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-            "script" : "Zyyy",
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+                },
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+                },
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+                  "width" : 3072,
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+                  "log-cluster" : 2
+                },
+                {
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+                  "width" : 10240,
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+                },
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+                  "width" : 3072,
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+                  "log-cluster" : 4
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             },
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-              },
-              {
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-                "width" : 0,
-                "is-cluster-start" : true,
-                "log-cluster" : 16
+            {
+              "offset" : 41,
+              "length" : 24,
+              "text" : "🏴󠁵󠁳󠁣󠁡󠁿",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
+                "description" : "Noto Color Emoji 11",
+                "checksum" : "054c1c2e2ca956b920262840dcad39dcf27bb88d6f70b892b2b1180de2c2ab47",
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+              "glyphs" : [
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+                },
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-                "width" : 3072,
-                "is-cluster-start" : true,
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+            {
+              "offset" : 65,
+              "length" : 3,
+              "text" : " ©",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Zyyy",
+              "font" : {
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+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
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-                "width" : 13312,
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-                "log-cluster" : 1
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+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 3072,
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+                },
+                {
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+                  "width" : 13312,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                }
+              ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-2.layout b/tests/layouts/valid-2.layout
index 611f88ba..8d06d1d2 100644
--- a/tests/layouts/valid-2.layout
+++ b/tests/layouts/valid-2.layout
@@ -32,572 +32,546 @@
     }
   ],
   "font" : "Cantarell 11",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
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+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
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+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 200704,
     "height" : 19456,
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diff --git a/tests/layouts/valid-20.layout b/tests/layouts/valid-20.layout
index 53d9a7b5..ebc1cab5 100644
--- a/tests/layouts/valid-20.layout
+++ b/tests/layouts/valid-20.layout
@@ -36,189 +36,187 @@
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diff --git a/tests/layouts/valid-21.layout b/tests/layouts/valid-21.layout
index d11b474d..f8d0dd11 100644
--- a/tests/layouts/valid-21.layout
+++ b/tests/layouts/valid-21.layout
@@ -24,146 +24,152 @@
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diff --git a/tests/layouts/valid-22.layout b/tests/layouts/valid-22.layout
index 483f54e1..b5c4ab1b 100644
--- a/tests/layouts/valid-22.layout
+++ b/tests/layouts/valid-22.layout
@@ -98,610 +98,560 @@
     }
   ],
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+  "log-attrs" : [
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+                  "type" : "font-scale",
+                  "value" : "superscript"
+                },
+                {
+                  "start" : 9,
+                  "end" : 11,
+                  "type" : "baseline-shift",
+                  "value" : "superscript"
+                },
+                {
+                  "start" : 10,
+                  "end" : 11,
+                  "type" : "font-scale",
+                  "value" : "superscript"
+                },
+                {
+                  "start" : 10,
+                  "end" : 11,
+                  "type" : "baseline-shift",
+                  "value" : "superscript"
+                }
+              ],
+              "y-offset" : 13996,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1058,
+                  "width" : 0,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "start" : 6,
-                "end" : 11,
-                "type" : "font-scale",
-                "value" : "superscript"
-              },
-              {
-                "start" : 6,
-                "end" : 11,
-                "type" : "baseline-shift",
-                "value" : "superscript"
-              },
-              {
-                "start" : 7,
-                "end" : 11,
-                "type" : "font-scale",
-                "value" : "superscript"
-              },
-              {
-                "start" : 7,
-                "end" : 11,
-                "type" : "baseline-shift",
-                "value" : "superscript"
-              },
-              {
-                "start" : 8,
-                "end" : 11,
-                "type" : "font-scale",
-                "value" : "superscript"
-              },
-              {
-                "start" : 8,
-                "end" : 11,
-                "type" : "baseline-shift",
-                "value" : "superscript"
-              },
-              {
-                "start" : 9,
-                "end" : 11,
-                "type" : "font-scale",
-                "value" : "superscript"
-              },
-              {
-                "start" : 9,
-                "end" : 11,
-                "type" : "baseline-shift",
-                "value" : "superscript"
-              },
-              {
-                "start" : 10,
-                "end" : 11,
-                "type" : "font-scale",
-                "value" : "superscript"
-              },
-              {
-                "start" : 10,
-                "end" : 11,
-                "type" : "baseline-shift",
-                "value" : "superscript"
-              }
-            ],
-            "y-offset" : 13996,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1058,
-                "width" : 0,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-3.layout b/tests/layouts/valid-3.layout
index 67650586..48a0a824 100644
--- a/tests/layouts/valid-3.layout
+++ b/tests/layouts/valid-3.layout
@@ -18,191 +18,189 @@
   "comment" : "Emoji",
   "text" : "ABC😀️D",
   "font" : "Cantarell 11",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {},
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 56320,
     "height" : 19456,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "word-boundary" : true
-      },
-      {},
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "sentence-boundary" : true,
-        "sentence-end" : true,
-        "word-boundary" : true
-      }
-    ],
     "lines" : [
       {
-        "start-index" : 0,
-        "length" : 11,
-        "paragraph-start" : true,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 0,
-            "length" : 3,
-            "text" : "ABC",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+        "position" : [
+          0,
+          15360
+        ],
+        "line" : {
+          "start-index" : 0,
+          "length" : 11,
+          "start-offset" : 0,
+          "n-chars" : 6,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 0,
+              "length" : 3,
+              "text" : "ABC",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 29,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 30,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 29,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
+            {
+              "offset" : 3,
+              "length" : 7,
+              "text" : "😀️",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Noto Color Emoji 11",
+                "checksum" : "054c1c2e2ca956b920262840dcad39dcf27bb88d6f70b892b2b1180de2c2ab47",
+                "matrix" : [
+                  0.13455956135321101,
+                  -0,
+                  -0,
+                  0.13455956135321101,
+                  0,
+                  0
+                ]
               },
-              {
-                "glyph" : 30,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              }
-            ]
-          },
-          {
-            "offset" : 3,
-            "length" : 7,
-            "text" : "😀️",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Noto Color Emoji 11",
-              "checksum" : "054c1c2e2ca956b920262840dcad39dcf27bb88d6f70b892b2b1180de2c2ab47",
-              "matrix" : [
-                0.13455956135321101,
-                -0,
-                -0,
-                0.13455956135321101,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 12,
+                  "width" : 18432,
+                  "is-cluster-start" : true,
+                  "is-color" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 268435455,
+                  "width" : 0,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                }
               ]
             },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 12,
-                "width" : 18432,
-                "is-cluster-start" : true,
-                "is-color" : true,
-                "log-cluster" : 0
+            {
+              "offset" : 10,
+              "length" : 1,
+              "text" : "D",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              {
-                "glyph" : 268435455,
-                "width" : 0,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              }
-            ]
-          },
-          {
-            "offset" : 10,
-            "length" : 1,
-            "text" : "D",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
-              },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 37,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 0,
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 37,
-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-4.layout b/tests/layouts/valid-4.layout
index 95b57a9d..57ae012b 100644
--- a/tests/layouts/valid-4.layout
+++ b/tests/layouts/valid-4.layout
@@ -18,1928 +18,1954 @@
   "text" : "This paragraph should ac­tual­ly have multiple lines, unlike all the other wannabe äöü 
pa­ra­graph tests in this ugh test-case. Grow some lines!",
   "font" : "Cantarell 11",
   "width" : 198656,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
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+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 15
+                },
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+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 20
+                },
+                {
+                  "glyph" : 1063,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 21
+                }
               ]
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-            "y-offset" : 0,
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-                "log-cluster" : 21
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-5.layout b/tests/layouts/valid-5.layout
index 57ebaea0..6af0f947 100644
--- a/tests/layouts/valid-5.layout
+++ b/tests/layouts/valid-5.layout
@@ -26,1748 +26,1779 @@
   ],
   "font" : "Cantarell 11",
   "width" : 194560,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
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+      "char-break" : true,
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+      "word-start" : true,
+      "word-boundary" : true
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+      "break-inserts-hyphen" : true
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+      "break-inserts-hyphen" : true
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+      "word-boundary" : true
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+      "cursor-position" : true,
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+      "word-boundary" : true
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+      "break-inserts-hyphen" : true
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-        "length" : 7,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 7,
-            "text" : "worked.",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "en-us",
-            "script" : "Latn",
-            "font" : {
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-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
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-              },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+            }
+          ]
+        }
+      },
+      {
+        "position" : [
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+          112640
+        ],
+        "line" : {
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+          "length" : 7,
+          "start-offset" : 117,
+          "n-chars" : 7,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 117,
+              "length" : 7,
+              "text" : "worked.",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
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+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
+              },
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
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+                  "width" : 11264,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
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+                  "width" : 6144,
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+                  "log-cluster" : 2
+                },
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-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-6.layout b/tests/layouts/valid-6.layout
index 72dc71c4..2f419e58 100644
--- a/tests/layouts/valid-6.layout
+++ b/tests/layouts/valid-6.layout
@@ -18,367 +18,365 @@
   "comment" : "A keycap sequence",
   "text" : " 0️⃣ Keycap Digit Zero",
   "font" : "Cantarell 11",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-start" : true,
+      "word-boundary" : true
+    },
+    {},
+    {
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 142336,
     "height" : 19456,
-    "log-attrs" : [
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-            "script" : "Latn",
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-              "variations" : {
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+        "position" : [
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+          15360
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+          "start-offset" : 0,
+          "n-chars" : 22,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : true,
+          "paragraph-end" : true,
+          "direction" : "ltr",
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+              "text" : " ",
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+              "gravity" : "south",
+              "language" : "en-us",
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-            "gravity" : "south",
-            "language" : "en-us",
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+                  "width" : 3072,
+                  "is-cluster-start" : true,
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+              "text" : "0️⃣",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
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+                  "width" : 18432,
+                  "is-cluster-start" : true,
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+                  "log-cluster" : 0
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-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 100,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 1
-              },
-              {
-                "glyph" : 287,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
-              {
-                "glyph" : 473,
-                "width" : 7168,
-                "is-cluster-start" : true,
-                "log-cluster" : 3
-              },
-              {
-                "glyph" : 273,
-                "width" : 7168,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 244,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
-              },
-              {
-                "glyph" : 406,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 7
+            {
+              "offset" : 8,
+              "length" : 18,
+              "text" : " Keycap Digit Zero",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
+              "script" : "Latn",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              {
-                "glyph" : 37,
-                "width" : 10240,
-                "is-cluster-start" : true,
-                "log-cluster" : 8
-              },
-              {
-                "glyph" : 324,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 9
-              },
-              {
-                "glyph" : 312,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 10
-              },
-              {
-                "glyph" : 324,
-                "width" : 4096,
-                "is-cluster-start" : true,
-                "log-cluster" : 11
-              },
-              {
-                "glyph" : 430,
-                "width" : 5120,
-                "is-cluster-start" : true,
-                "log-cluster" : 12
-              },
-              {
-                "glyph" : 1109,
-                "width" : 3072,
-                "is-cluster-start" : true,
-                "log-cluster" : 13
-              },
-              {
-                "glyph" : 239,
-                "width" : 9216,
-                "is-cluster-start" : true,
-                "log-cluster" : 14
-              },
-              {
-                "glyph" : 287,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 15
-              },
-              {
-                "glyph" : 409,
-                "width" : 6144,
-                "is-cluster-start" : true,
-                "log-cluster" : 16
-              },
-              {
-                "glyph" : 370,
-                "width" : 8192,
-                "is-cluster-start" : true,
-                "log-cluster" : 17
-              }
-            ]
-          }
-        ]
+              "flags" : 0,
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 100,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 1
+                },
+                {
+                  "glyph" : 287,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 473,
+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 3
+                },
+                {
+                  "glyph" : 273,
+                  "width" : 7168,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 244,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                },
+                {
+                  "glyph" : 406,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 7
+                },
+                {
+                  "glyph" : 37,
+                  "width" : 10240,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 8
+                },
+                {
+                  "glyph" : 324,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 9
+                },
+                {
+                  "glyph" : 312,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 10
+                },
+                {
+                  "glyph" : 324,
+                  "width" : 4096,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 11
+                },
+                {
+                  "glyph" : 430,
+                  "width" : 5120,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 12
+                },
+                {
+                  "glyph" : 1109,
+                  "width" : 3072,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 13
+                },
+                {
+                  "glyph" : 239,
+                  "width" : 9216,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 14
+                },
+                {
+                  "glyph" : 287,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 15
+                },
+                {
+                  "glyph" : 409,
+                  "width" : 6144,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 16
+                },
+                {
+                  "glyph" : 370,
+                  "width" : 8192,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 17
+                }
+              ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/valid-7.layout b/tests/layouts/valid-7.layout
index 9c433d51..812f31de 100644
--- a/tests/layouts/valid-7.layout
+++ b/tests/layouts/valid-7.layout
@@ -34,596 +34,578 @@
   "ellipsize" : "middle",
   "width" : 204800,
   "indent" : 51200,
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : true,
+    "wrapped" : false,
+    "ellipsized" : true,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 153600,
     "height" : 19456,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
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-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
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-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
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-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
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-        "white" : true,
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-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
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-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
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-        "char-break" : true,
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-        "word-start" : true,
-        "word-boundary" : true
-      },
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-        "char-break" : true,
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-        "break-inserts-hyphen" : true
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-        "break-inserts-hyphen" : true
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-        "char-break" : true,
-        "cursor-position" : true,
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-      },
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-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
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-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
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-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
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-        "char-break" : true,
-        "white" : true,
-        "cursor-position" : true,
-        "word-end" : true,
-        "expandable-space" : true,
-        "word-boundary" : true
-      },
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-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "word-boundary" : true
-      },
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-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
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+                  "end" : 41,
+                  "type" : "underline",
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+                }
+              ],
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+              "end-x-offset" : 0,
+              "glyphs" : [
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-            "extra-attributes" : [
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-                "type" : "foreground",
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+            {
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+              "text" : " brake!",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "en-us",
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     ]
   }
diff --git a/tests/layouts/valid-8.layout b/tests/layouts/valid-8.layout
index 72dd0b27..60423aae 100644
--- a/tests/layouts/valid-8.layout
+++ b/tests/layouts/valid-8.layout
@@ -20,383 +20,364 @@
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   "auto-dir" : false,
   "alignment" : "center",
-  "spacing" : 51200,
+  "log-attrs" : [
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+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
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+      "word-boundary" : true
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+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
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+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
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+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
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+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
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+      "char-break" : true,
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+      "word-start" : true,
+      "word-boundary" : true
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+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
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+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
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+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "break-inserts-hyphen" : true
+    },
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+      "cursor-position" : true,
+      "word-end" : true,
+      "backspace-deletes-character" : true,
+      "expandable-space" : true,
+      "word-boundary" : true
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+    {
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+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
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+    },
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+      "break-inserts-hyphen" : true
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+      "expandable-space" : true,
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+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
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+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
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   "output" : {
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-    "is-ellipsized" : false,
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+    "ellipsized" : false,
+    "hypenated" : false,
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     "width" : 132096,
     "height" : 19456,
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     ]
   }
diff --git a/tests/layouts/valid-9.layout b/tests/layouts/valid-9.layout
index 9a46f5a4..be027d0c 100644
--- a/tests/layouts/valid-9.layout
+++ b/tests/layouts/valid-9.layout
@@ -26,486 +26,499 @@
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+                  "log-cluster" : 3
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+                  "width" : 12636,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
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+                {
+                  "glyph" : 268435455,
+                  "width" : 0,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 5
+                }
               ]
-            },
-            "flags" : 0,
-            "extra-attributes" : [
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-                "end" : 30,
-                "type" : "letter-spacing",
-                "value" : 8888
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-                "width" : 0,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 5
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 6,
-        "length" : 9,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
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-            "length" : 8,
-            "text" : "שלום",
-            "bidi-level" : 1,
-            "gravity" : "south",
-            "language" : "he",
-            "script" : "Hebr",
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+        "position" : [
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+          34816
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+        "line" : {
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+          "start-offset" : 6,
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+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 6,
+              "length" : 8,
+              "text" : "שלום",
+              "bidi-level" : 1,
+              "gravity" : "south",
+              "language" : "he",
+              "script" : "Hebr",
+              "font" : {
+                "description" : "DejaVu Sans 11",
+                "checksum" : "69ccd07023a72ceb27a5e5c22f728627353b60a198170f5e58dd7014221abf01"
+              },
+              "flags" : 0,
+              "extra-attributes" : [
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+                  "type" : "letter-spacing",
+                  "value" : 8888
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 1332,
+                  "width" : 14684,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
+                  "glyph" : 1324,
+                  "width" : 12984,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 1331,
+                  "width" : 17080,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 1344,
+                  "width" : 19128,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
             },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "end" : 30,
-                "type" : "letter-spacing",
-                "value" : 8888
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
-              {
-                "glyph" : 1332,
-                "width" : 14684,
-                "is-cluster-start" : true,
-                "log-cluster" : 6
-              },
-              {
-                "glyph" : 1324,
-                "width" : 12984,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              },
-              {
-                "glyph" : 1331,
-                "width" : 17080,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
+            {
+              "offset" : 14,
+              "length" : 1,
+              "text" : " ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "he",
+              "script" : "Hebr",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              {
-                "glyph" : 1344,
-                "width" : 19128,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          },
-          {
-            "offset" : 14,
-            "length" : 1,
-            "text" : " ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "he",
-            "script" : "Hebr",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
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-              },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "extra-attributes" : [
+                {
+                  "end" : 30,
+                  "type" : "letter-spacing",
+                  "value" : 8888
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 268435455,
+                  "width" : 0,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                }
               ]
-            },
-            "flags" : 0,
-            "extra-attributes" : [
-              {
-                "end" : 30,
-                "type" : "letter-spacing",
-                "value" : 8888
-              }
-            ],
-            "y-offset" : 0,
-            "start-x-offset" : 0,
-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "glyph" : 268435455,
-                "width" : 0,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 15,
-        "length" : 9,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 15,
-            "length" : 9,
-            "text" : "Γειά ",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "el",
-            "script" : "Grek",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+        "position" : [
+          0,
+          54272
+        ],
+        "line" : {
+          "start-index" : 15,
+          "length" : 9,
+          "start-offset" : 11,
+          "n-chars" : 5,
+          "wrapped" : true,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : false,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 15,
+              "length" : 9,
+              "text" : "Γειά ",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "el",
+              "script" : "Grek",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
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+                }
               },
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-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "extra-attributes" : [
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+                  "end" : 30,
+                  "type" : "letter-spacing",
+                  "value" : 8888
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 677,
+                  "width" : 12636,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 808,
+                  "width" : 16056,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 812,
+                  "width" : 12984,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                },
+                {
+                  "glyph" : 837,
+                  "width" : 13660,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 6
+                },
+                {
+                  "glyph" : 268435455,
+                  "width" : 0,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 8
+                }
               ]
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-            "flags" : 0,
-            "extra-attributes" : [
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-                "type" : "letter-spacing",
-                "value" : 8888
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-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
-              },
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-                "width" : 13660,
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-                "log-cluster" : 6
-              },
-              {
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-                "width" : 0,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 8
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       },
       {
-        "start-index" : 24,
-        "length" : 6,
-        "paragraph-start" : false,
-        "direction" : "ltr",
-        "runs" : [
-          {
-            "offset" : 24,
-            "length" : 6,
-            "text" : "σας",
-            "bidi-level" : 0,
-            "gravity" : "south",
-            "language" : "el",
-            "script" : "Grek",
-            "font" : {
-              "description" : "Cantarell 11",
-              "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
-              "variations" : {
-                "wght" : 0
+        "position" : [
+          0,
+          73728
+        ],
+        "line" : {
+          "start-index" : 24,
+          "length" : 6,
+          "start-offset" : 16,
+          "n-chars" : 3,
+          "wrapped" : false,
+          "ellipsized" : false,
+          "hyphenated" : false,
+          "justified" : false,
+          "paragraph-start" : false,
+          "paragraph-end" : true,
+          "direction" : "ltr",
+          "runs" : [
+            {
+              "offset" : 24,
+              "length" : 6,
+              "text" : "σας",
+              "bidi-level" : 0,
+              "gravity" : "south",
+              "language" : "el",
+              "script" : "Grek",
+              "font" : {
+                "description" : "Cantarell 11",
+                "checksum" : "5bcb6ee14ee9d210b2e91d643de1fe456e9d1aea770983fdb05951545efebbe2",
+                "variations" : {
+                  "wght" : 0
+                }
               },
-              "matrix" : [
-                1,
-                -0,
-                -0,
-                1,
-                0,
-                0
+              "flags" : 0,
+              "extra-attributes" : [
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+                  "end" : 30,
+                  "type" : "letter-spacing",
+                  "value" : 8888
+                }
+              ],
+              "y-offset" : 0,
+              "start-x-offset" : 0,
+              "end-x-offset" : 0,
+              "glyphs" : [
+                {
+                  "glyph" : 822,
+                  "width" : 13660,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 0
+                },
+                {
+                  "glyph" : 804,
+                  "width" : 18104,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 2
+                },
+                {
+                  "glyph" : 821,
+                  "width" : 11612,
+                  "x-offset" : 4444,
+                  "is-cluster-start" : true,
+                  "log-cluster" : 4
+                }
               ]
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-            "flags" : 0,
-            "extra-attributes" : [
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-                "end" : 30,
-                "type" : "letter-spacing",
-                "value" : 8888
-              }
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-            "end-x-offset" : 0,
-            "glyphs" : [
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-                "is-cluster-start" : true,
-                "log-cluster" : 0
-              },
-              {
-                "glyph" : 804,
-                "width" : 18104,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 2
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-              {
-                "glyph" : 821,
-                "width" : 11612,
-                "x-offset" : 4444,
-                "is-cluster-start" : true,
-                "log-cluster" : 4
-              }
-            ]
-          }
-        ]
+            }
+          ]
+        }
       }
     ]
   }
diff --git a/tests/layouts/vertical.layout b/tests/layouts/vertical.layout
index b4980d54..bd2c0af8 100644
--- a/tests/layouts/vertical.layout
+++ b/tests/layouts/vertical.layout
@@ -18,242 +18,232 @@
   "text" : "ABC日本語ABC",
   "font" : "Noto Sans CJK JP 24",
   "wrap" : "word-char",
+  "log-attrs" : [
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-start" : true,
+      "sentence-boundary" : true,
+      "sentence-start" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "line-break" : true,
+      "char-break" : true,
+      "cursor-position" : true,
+      "backspace-deletes-character" : true,
+      "word-boundary" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "char-break" : true,
+      "cursor-position" : true,
+      "break-inserts-hyphen" : true
+    },
+    {
+      "line-break" : true,
+      "mandatory-break" : true,
+      "char-break" : true,
+      "white" : true,
+      "cursor-position" : true,
+      "word-end" : true,
+      "sentence-boundary" : true,
+      "sentence-end" : true,
+      "word-boundary" : true
+    }
+  ],
   "output" : {
-    "is-wrapped" : false,
-    "is-ellipsized" : false,
+    "wrapped" : false,
+    "ellipsized" : false,
+    "hypenated" : false,
     "unknown-glyphs" : 0,
     "width" : 294912,
     "height" : 49152,
-    "log-attrs" : [
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-start" : true,
-        "sentence-boundary" : true,
-        "sentence-start" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "line-break" : true,
-        "char-break" : true,
-        "cursor-position" : true,
-        "backspace-deletes-character" : true,
-        "word-boundary" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "char-break" : true,
-        "cursor-position" : true,
-        "break-inserts-hyphen" : true
-      },
-      {
-        "line-break" : true,
-        "mandatory-break" : true,
-        "char-break" : true,
-        "white" : true,
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