[pango] (32 commits) Non-fast-forward update to branch visible-things

[Matthias Clasen <matthiasc src gnome org>]

The branch 'visible-things' 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:

  c0784d7... Add a helper for parsing flags
  80cc60d... Add an attribute for showing invisible chars
  ad258ba... markup: Support the new attribute
  6fb0b4e... tests: Print the new attribute
  33e10ed... Add a utility function for ignorables
  fa45088... cairo: Better hex boxes for ignorables
  45149ad... layout: Use a show attribute
  8aa04de... shape: Apply the show attribute
  7f80826... layout: Make tab visible too
  0ebaa05... cairo: render visible space differently
  57e341f... layout: Don't zero the width of visible space
  eb4bb33... pango-view: Optionally show trailing space
  247640b... xft: Fix compiler warnings
  75c4808... cairo: Fix compiler warnings

Commits added to the branch:

  39edaf2... meson: do not set -Werror=redundant-decls for gcc on Window (*)
  b69d90d... Remove an unused function (*)
  9d284b4... doc cleanups (*)
  9105424... Add system-ui generic family support (*)
  a575fad... Merge branch 'system-ui' into 'master' (*)
  f9ea5ab... Bring back unknown glyph size defines (*)
  dd3fc1b... Merge branch 'Jehan/fix-MinGW64-build' into 'master' (*)
  4da3f28... layout: Fix misleading naming (*)
  5bd5b70... Fix misleading indentation (*)
  7fead4c... layout: Flip the logic for attribute filtering (*)
  8ce63f0... Add a test file for coloring Arabic (*)
  23aca08... test-itemize: Match PangoLayout (*)
  637a18c... shape-test: Match PangoLayout (*)
  16f5871... Merge branch 'run-attributes' into 'master' (*)
  f474d22... build: Make harfbuzz a required dependency (*)
  338495c... pango/pangowin32-fontmap.c: Fix code formatting (*)
  47310a9... PangoWin32: Drop _pango_win32_os_version_info (*)
  d24d58b... Merge branch 'win32-some-cleanups' into 'master' (*)
  201afb7... xft: Fix compiler warnings (*)
  fd009f0... Add a helper for parsing flags
  3c1a325... Add an attribute for showing invisible chars
  475324b... markup: Support the new attribute
  01a97d5... tests: Print the show attribute
  c32b99a... tests: The show attribute affects shaping
  e690d24... layout: The show attribute affects shaping
  283c2d9... layout: Use a show attribute
  f0f37ad... layout: Make tab visible too
  85e5f0c... layout: Don't zero the width of visible space
  2b4e7c7... shape: Apply the show attribute
  a1b3306... Add a utility function for ignorables
  c7a2b41... cairo: Better hex boxes for ignorables
  49cd1c0... cairo: Render visible space differently

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