[pango] (40 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:

  1578e40... Add api to get a hb_font_t
  872e36f... fc: Implement create_hb_font
  f0c8fda... coretext: Implement create_hb_font
  05cec8c... fc: Move font setup code from the shaper
  f659010... fc: Make pangofc_shape backend-neutral
  d73891b... fc: Use harfbuzz for glyph lookup
  5fbf7e9... fc: Drop the cmap cache
  1a543d2... fc: Use harfbuzz for font metrics
  97f04d7... fc: Use harfbuzz for glyph extents
  0d8cd45... Deprecate FT_Face getters
  71d31b9... Drop some gratitious use of FT types
  6fa1aa9... Drop freetype from pangofc-font.h
  8d21b82... shape: Stop rounding glyph positions
  d33ec20... Drop unneeded includes
  aab7c63... Move _pango_fc_shape to libpango
  09aa5d3... Switch to using harfbuzz for shaping
  5d350d9... itemize: Stop filling analysis->shape_engine
  91219ff... fc: Stop providing a shape engine
  8212e6c... coretext: Stop providing a shape engine
  f32ec8c... win32: Stop providing a shape engine
  70d3c4f... Deprecate pango_font_find_shaper
  91403b6... Document engines as unused
  069bc58... Stop exporting _pango_fc_shape
  270ca93... Rename _pango_fc_shape
  25a8650... Add attributes for visible spaces, ignorables and LS
  b66c987... markup: Support the new attributes
  3460d0c... itemize test: Update for new attributes
  a7c832f... Add a utility function for ignorables
  6e600ce... cairo: Better hex boxes for ignorables
  cb6ee0f... layout: Use a show_line_separators attribute
  f08c178... Apply show space, invisible and LS attributes
  4227242... layout: Make tab visible too
  94b0cbe... cairo: render visible space differently
  206f94c... layout: Don't zero the width of visible space
  8bf10e1... pango-view: Optionally show trailing space

Commits added to the branch:

  0ae5be8... Rename pango_font_covers (*)
  d1bdc05... Deprecate pango_fc_font_has_char (*)
  bdede53... Documentation tweaks (*)
  b3cd150... Add some more docs (*)
  c8212c4... Clean up docs a bit (*)
  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

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