[gtk] (27 commits) ...Merge branch 'ebassi/for-master' into 'master'

[Emmanuele Bassi <ebassi src gnome org>]

Summary of changes:

  5a307fa... docs: Ignore more private headers (*)
  4021734... docs: Annotate the GdkContentProviderClass structure (*)
  e3fbc0e... docs: Fix typo in the GdkTolevelLayout annotation (*)
  598e130... docs: Annotate the GdkToplevel interface (*)
  6e4dd58... docs: Annotate GdkSnapshot (*)
  ecce375... docs: Annotate GdkPopup (*)
  879b284... docs: Annotate GdkPaintable (*)
  1057189... docs: Annotate GdkMemoryTexture (*)
  b9a1827... docs: Annotate GdkGLTexture (*)
  b5313db... docs: Annotate GdkDeviceTool (*)
  c524b72... docs: Annotate structure types used by GskRenderNodes (*)
  0f62ab6... docs: Annotate all render node types (*)
  8b89881... docs: Annotate the GL shader objects (*)
  37f11ab... docs: Annotate GskRenderer (*)
  eba8f36... docs: Fix annotations in GtkCenterLayout (*)
  c13e164... Make GtkCenterLayout accessors more idiomatic (*)
  4f67be1... docs: Add missing annotations for GtkTextTagTable (*)
  d46fe31... docs: Ignore more files (*)
  95400e6... docs: Annotate GtkAppChooserButton::changed (*)
  67f4594... docs: Annotate GtkAssistant::escape action signal (*)
  3e8d157... docs: Hide GtkBitsetIter fields (*)
  d820fea... docs: Annotate GtkBuildableParser (*)
  516f71b... Use the appropriate prefix for GtkBuilderClosureFlags (*)
  69b1b19... docs: Annotate missing symbols (*)
  ef36028... docs: Ignore more private files (*)
  cdad68e... docs: Ignore generated Wayland protocol file (*)
  2fcd0e2... Merge branch 'ebassi/for-master' into 'master'

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