[pango] (57 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:

  ea6c72d... Add a way to pass flags to shaping
  b6db22d... layout: Use pango_shape_with_options
  c104b6d... layout: Add pango_layout_set_shape_flags
  30d6706... Pass shape flags through to pangofc_shape
  f77fbe6... Pass shape flags on to font funcs
  583b93e... Add a utility function for ignorables
  e4a988d... cairo: Better hex boxes for ignorables
  2708b8a... Add a shape flag for showing ignorables
  c44caa6... fc: Implement showing ignorables
  dee6db0... pango-view: Add an option to show ignorables
  b276b24... Add a shape flag for showing space
  00885c9... fc: Implement showing space
  12f4b78... layout: Make tab visible too
  e3ae343... pango-view: Add an option to show space
  dbc16d6... cairo: render visible space differently
  0005002... layout: Don't zero the width of visible space

Commits added to the branch:

  490f897... bidi: Be safer against bad input (*)
  3d5b7c1... Make PangoAttribute a boxed type (*)
  89210da... Merge branch 'attribute-boxes' into 'master' (*)
  482c7d7... test-itemize: Print out attributes too (*)
  a8c2e57... Leave some more attributes out of shaping (*)
  e445b89... Merge branch 'no-shape-alpha' into 'master' (*)
  4315d4f... Add pango_item_apply_attrs (*)
  a0483fc... layout: Don't break runs for font_features (*)
  3af161e... Add a test for itemization with attributes (*)
  9307a8c... Set ranges on features (*)
  cdeb830... Merge branch 'non-breaking-attrs' into 'master' (*)
  481e1be... Add pango_font_covers (*)
  a540972... Use pango_font_covers (*)
  3e65090... Reimplement PangoCoverage on top of hb_set_t (*)
  70e59be... Turn PangoCoverage into an object (*)
  5590411... Merge branch 'coverage-redo' into 'master' (*)
  9ca6fde... Add an api to get features of a font (*)
  b0d40c1... fc: Implement get_features for fc fonts (*)
  ec4864e... Use pango_font_get_features (*)
  00233bd... Merge branch 'font-features-getter' into 'master' (*)
  7501b4e... fc: Make pango_fc_font_kern_glyphs empty (*)
  24fe412... Drop an unused function (*)
  721381a... Add freetype includes where they belong (*)
  ff02c88... Merge branch 'no-kerning' into 'master' (*)
  c51bbba... Add api to get a hb_font_t (*)
  52ea7b3... fc: Move font setup code from the shaper (*)
  1dd09dd... fc: Make pangofc_shape backend-neutral (*)
  f5e3a25... fc: Use harfbuzz for glyph lookup (*)
  228fa38... fc: Drop the cmap cache (*)
  a7a6e95... fc: Use harfbuzz for font metrics (*)
  030182e... fc: Use harfbuzz for glyph extents (*)
  5de9eb3... Deprecate FT_Face getters (*)
  e4ff400... Drop some gratitious use of FT types (*)
  a6fb572... Drop freetype from pangofc-font.h (*)
  8f64b35... Switch to using harfbuzz for shaping (*)
  215a2f9... itemize: Stop filling analysis->shape_engine (*)
  105169d... fc: Stop providing a shape engine (*)
  d64af3d... coretext: Stop providing a shape engine (*)
  0fd6450... win32: Stop providing a shape engine (*)
  6495b1b... Deprecate pango_font_find_shaper (*)
  f97b1c8... Document engines as unused (*)
  54468d5... Add a way to pass flags to shaping
  abd8b67... layout: Use pango_shape_with_options
  7739307... layout: Add pango_layout_set_shape_flags
  de2261f... Pass shape flags through to pangofc_shape
  f510e6b... Pass shape flags on to font funcs
  1eb7d6e... Add a utility function for ignorables
  cc50459... cairo: Better hex boxes for ignorables
  2639e1a... Add a shape flag for showing ignorables
  e64a6af... pango-view: Add an option to show ignorables
  b5e99a8... fc: Implement showing ignorables
  db80849... Add a shape flag for showing space
  b516bb3... pango-view: Add an option to show space
  576d0ed... fc: Implement showing space
  f2f0fec... layout: Make tab visible too
  1584210... cairo: render visible space differently
  3f88891... layout: Don't zero the width of visible space

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