[pango] (49 commits) Non-fast-forward update to branch matthiasc/for-main

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/for-main' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  ca217a3... wip: Fix up font metrics in improver gravities
  f854a16... Fix a case of unintended hyphenation

Commits added to the branch:

  a31741f... Merge branch 'matthiasc/for-main' into 'main' (*)
  1c7c84a... Introduce and use FLOOR and CEIL macros in Pango units (*)
  303f79e... Calculate hinted font height based on the hinted extents (*)
  8c51a36... Test more font sizes in the empty line height test (*)
  0b84e14... Add more autoptr definitions (*)
  9d11409... Fix a case of unintended hyphenation (*)
  6655cea... break: Fix hyphen condition (*)
  0a1218e... Fix handling of extra width (*)
  55efd09... Merge branch 'line-breaking-fixes4' into 'main' (*)
  1b73b50... Fix visible space handling (*)
  c337145... Cosmetics (*)
  6349912... Rename the serialize errors (*)
  12a46f6... Refactor enum serialization error handling (*)
  c1f9c9f... Add flags to serialize and deserialize (*)
  b9ed027... Allow serializing context information (*)
  4d296ae... serializer: Cosmetics (*)
  8d680a6... More context serialization work (*)
  37d413c... pango-view: Deserialize context too (*)
  c4fe95c... Add a way to get the font matrix (*)
  3f6f288... Optionally serialize output (*)
  9a63774... Update test-layout (*)
  2b013d4... serializer: Support a "comment" field (*)
  becb4a9... Add more tests (*)
  580ad90... Add pango_font_serialize (*)
  9770b4a... serializer: Include unknown glyphs count (*)
  5f539a0... test-layout: Drop the --show-font option (*)
  cddd173... Make test-layout use included fonts (*)
  05be686... Add a newline to serialization results (*)
  4be5684... test-layout: Use an fc fontmap (*)
  2931d89... test-layout: Fix up comparison direction (*)
  553eac2... Skip test-layout on macOS (*)
  f37d293... Merge branch 'serialization-improvements' into 'main' (*)
  84ff272... Merge branch 'hinted-metrics-fixes' into 'main' (*)
  46374f9... Add more fonts for test-layout tests (*)
  358cc4f... Make sure glyphinfo is fully initialized (*)
  2d02c2d... Add more Emoji to the included emoji font (*)
  99d6b3f... tests: Fix font setup for Emoji (*)
  2bd2a6b... Update tests one more time (*)
  8f7c1ed... Avoid an out-of-bound access (*)
  ac2bf58... Merge branch 'fix-emoji-in-tests' into 'main' (*)
  88ab72e... font: Avoid cosmetic ugliness (*)
  b2aabec... Add a test for pango_font_serialize (*)
  80b197d... Merge branch 'font-serialize-test' into 'main' (*)
  24ca0e2... 1.49.4 (*)
  db4fde5... Fix misplaced glyphs in gravity east (*)
  d5c3348... Fix line heights in improper gravities (*)
  3fdbd3f... Merge branch 'gravity-fixes' into 'main' (*)
  2439902... Never show variation selectors
  6f77585... tests: Fix installed data for test-layout

(*) This commit already existed in another branch; no separate mail sent