[pango] (46 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:

  0e80806... Add api to get a hb_font_t
  feb0140... fc: Implement create_hb_font
  3333748... coretext: Implement create_hb_font
  685e6de... fc: Move font setup code from the shaper
  18a1f62... fc: Make pangofc_shape backend-neutral
  120f769... fc: Use harfbuzz for glyph lookup
  20953c2... fc: Drop the cmap cache
  dcfb0f5... fc: Use harfbuzz for font metrics
  078904d... fc: Use harfbuzz for glyph extents
  20cfc4f... Deprecate FT_Face getters
  c2a29fc... Drop some gratitious use of FT types
  97c37a2... Drop freetype from pangofc-font.h
  4838423... shape: Stop rounding glyph positions
  643cdb7... Drop unneeded includes
  4c8921b... Move _pango_fc_shape to libpango
  0532a64... Switch to using harfbuzz for shaping
  e0f68e3... itemize: Stop filling analysis->shape_engine
  6eaafc2... fc: Stop providing a shape engine
  1320f7f... coretext: Stop providing a shape engine
  41a2dc4... win32: Stop providing a shape engine
  324a5dc... Deprecate pango_font_find_shaper
  082329d... Document engines as unused
  46e2caf... Stop exporting _pango_fc_shape
  ee2b8c7... Rename _pango_fc_shape
  0abdfc4... Add attributes for visible spaces, ignorables and LS
  62b9671... markup: Support the new attributes
  f3b46c5... itemize test: Update for new attributes
  9e4f506... Add a utility function for ignorables
  dd730ca... cairo: Better hex boxes for ignorables
  07f5de0... layout: Use a show_line_separators attribute
  40369d0... Apply show space, invisible and LS attributes
  9d05325... layout: Make tab visible too
  36b4859... cairo: render visible space differently
  3c03c2c... layout: Don't zero the width of visible space
  038f611... pango-view: Optionally show trailing space

Commits added to the branch:

  9ad3906... Some more doc tweaks (*)
  22beada... test-itemize: Introspect attribute names (*)
  cbf6989... Some test updates (*)
  b800a0a... layout: Correct a field type (*)
  7e50377... layout: Fix some offset-vs-index confusion (*)
  2e499aa... layout: Improve soft hyphen handling (*)
  f57d239... test-layout: Be robust against odd runs (*)
  037ad01... Add a layout test with soft hyphens (*)
  95c645f... build: Only use fallback dependency for HarfBuzz when neede (*)
  130eb6f... layout: Avoid access-after-free (*)
  dde5d51... Merge branch 'use-hb-fallback-only-when-needed' into 'maste (*)
  9795366... Add api to get a hb_font_t (*)
  0dab4f1... fc: Implement create_hb_font (*)
  541aa54... coretext: Implement create_hb_font (*)
  c99f768... fc: Move font setup code from the shaper (*)
  4405a00... fc: Make pangofc_shape backend-neutral (*)
  7354864... fc: Use harfbuzz for glyph lookup (*)
  8290b60... fc: Drop the cmap cache (*)
  357920a... fc: Use harfbuzz for font metrics (*)
  0d41921... fc: Use harfbuzz for glyph extents (*)
  86dd5b7... Deprecate FT_Face getters (*)
  4846b4d... Drop some gratitious use of FT types (*)
  cf97e21... Drop freetype from pangofc-font.h (*)
  d305fa0... shape: Stop rounding glyph positions (*)
  bd8cae8... Drop unneeded includes (*)
  d30169b... Move _pango_fc_shape to libpango (*)
  2001c86... Switch to using harfbuzz for shaping (*)
  3ee6b03... itemize: Stop filling analysis->shape_engine (*)
  45e9f84... fc: Stop providing a shape engine (*)
  437180e... coretext: Stop providing a shape engine (*)
  321db2b... win32: Stop providing a shape engine (*)
  032bc21... Deprecate pango_font_find_shaper (*)
  4e04236... Document engines as unused (*)
  bf14e3f... Stop exporting _pango_fc_shape (*)
  e7b9791... Rename _pango_fc_shape (*)
  088635a... Add attributes for visible spaces, ignorables and LS
  73e1905... markup: Support the new attributes
  8dfdefc... itemize test: Update for new attributes
  bfa094b... Add a utility function for ignorables
  276a5e0... cairo: Better hex boxes for ignorables
  3a94c8e... layout: Use a show_line_separators attribute
  38e3a97... Apply show space, invisible and LS attributes
  91a2d0a... layout: Make tab visible too
  6896300... cairo: render visible space differently
  0146756... layout: Don't zero the width of visible space
  422134a... pango-view: Optionally show trailing space

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