[pango] (33 commits) Non-fast-forward update to branch line-breaker

[Matthias Clasen <matthiasc src gnome org>]

The branch 'line-breaker' 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:

  a90dbc1... The big rename of doom
  29297b7... Make PangoLayoutRun a separate type
  d9cb5fa... Tweak PangoAlignment
  c20efc1... Add a line spacing attribute
  e2092cc... item: Add line spacing to ItemProperties
  4ae0a4b... layout-run: Use line spacing
  4596101... serializer: Handle line spacing attributes
  8a66ae6... layout: Rename line-spacing to line-height
  893a94b... layout: Add spacing back
  ff1cd72... layout: Don't trim leading when placing lines
  b07e4b1... pango-view: Bring line spacing back
  385f7a7... layout: Fix a reference miscount
  ff315ea... lines: Fix some corner cases
  615bae9... pango-lines: more cornercases
  2e3a63d... layout-run: add docs
  60a2f82... layout-line: Add docs
  8efa7b3... lines: Add docs
  744b6d5... layout iter: Add docs
  c242bb9... layout: Add docs
  054e7b2... line-breaker: Add docs

Commits added to the branch:

  45762d6... The big rename of doom
  d2602cc... Make PangoLayoutRun a separate type
  c678041... Tweak PangoAlignment
  0dce75d... Add a line spacing attribute
  ccc60eb... item: Add line spacing to ItemProperties
  3e2f610... layout-run: Use line spacing
  d137b6b... serializer: Handle line spacing attributes
  25dc165... layout: Rename line-spacing to line-height
  b79cd71... layout: Add spacing back
  288a537... layout: Don't trim leading when placing lines
  84bcdfd... pango-view: Bring line spacing back
  0135eb1... layout: Fix a reference miscount
  0ed8c5b... lines: Fix some corner cases
  787f5c5... layout-run: add docs
  55097b8... layout-line: Add docs
  ff04aaa... lines: Add docs
  2173190... layout iter: Add docs
  17eda4b... layout: Add docs
  d8bd285... line-breaker: Add docs
  ccfd2e4... layout: don't forget spacing in copy()
  3164c97... layout: undo an accidental removal
  2b6067c... Change trimming of extents
  a9cc8c6... layout: Use simpler getters
  c65defc... docs: Add some illustrations for extents
  7e4b545... Tweak boolean getters
  ae563e1... Make PangoLayoutLine a boxed type
  d8c9f68... Document immutability
  70a6946... line-breaker: Rename done()
  ef0c99b... Rename PangoLayoutRun to PangoRun
  61e192f... Rename PangoLayoutLine to PangoLine
  342a026... Rename PangoLayoutIter to PangoLineIter
  ec29586... line: Don't return GSList
  d815d06... lines: tweak the array api