[pango: 3/6] Update Line Breaking to Unicode 13

[Matthias Clasen <matthiasc src gnome org>]

commit 23b6d06e824bb892b5398786cf3da27f4400b293
Author: Peng Wu <pwu redhat com>
Date:   Fri Feb 21 15:34:59 2020 +0800

    Update Line Breaking to Unicode 13

 pango/break.c | 24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)
---
diff --git a/pango/break.c b/pango/break.c
index 00dc3db7..5aa9d41e 100644
--- a/pango/break.c
+++ b/pango/break.c
@@ -1081,10 +1081,12 @@ pango_default_break (const gchar   *text,
          if ((prev_break_type == G_UNICODE_BREAK_ALPHABETIC ||
               prev_break_type == G_UNICODE_BREAK_HEBREW_LETTER ||
               prev_break_type == G_UNICODE_BREAK_NUMERIC) &&
-             break_type == G_UNICODE_BREAK_OPEN_PUNCTUATION)
+             break_type == G_UNICODE_BREAK_OPEN_PUNCTUATION &&
+             !_pango_is_EastAsianWide (wc))
            break_op = BREAK_PROHIBITED;
 
          if (prev_break_type == G_UNICODE_BREAK_CLOSE_PARANTHESIS &&
+             !_pango_is_EastAsianWide (prev_wc)&&
              (break_type == G_UNICODE_BREAK_ALPHABETIC ||
               break_type == G_UNICODE_BREAK_HEBREW_LETTER ||
               break_type == G_UNICODE_BREAK_NUMERIC))
@@ -1226,25 +1228,7 @@ pango_default_break (const gchar   *text,
 
          /* Rule LB22 */
          if (break_type == G_UNICODE_BREAK_INSEPARABLE)
-           {
-             if (prev_break_type == G_UNICODE_BREAK_ALPHABETIC ||
-                 prev_break_type == G_UNICODE_BREAK_HEBREW_LETTER)
-               break_op = BREAK_PROHIBITED;
-
-             if (prev_break_type == G_UNICODE_BREAK_EXCLAMATION)
-               break_op = BREAK_PROHIBITED;
-
-             if (prev_break_type == G_UNICODE_BREAK_IDEOGRAPHIC ||
-                 prev_break_type == G_UNICODE_BREAK_EMOJI_BASE ||
-                 prev_break_type == G_UNICODE_BREAK_EMOJI_MODIFIER)
-               break_op = BREAK_PROHIBITED;
-
-             if (prev_break_type == G_UNICODE_BREAK_INSEPARABLE)
-               break_op = BREAK_PROHIBITED;
-
-             if (prev_break_type == G_UNICODE_BREAK_NUMERIC)
-               break_op = BREAK_PROHIBITED;
-           }
+           break_op = BREAK_PROHIBITED;
 
          if (break_type == G_UNICODE_BREAK_AFTER ||
              break_type == G_UNICODE_BREAK_HYPHEN ||