[gtkmm-documentation] (10 commits) Non-fast-forward update to branch wip/dboles/formatting-3

[Daniel Boles <dboles src gnome org>]

The branch 'wip/dboles/formatting-3' 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:

  2c491a3... Improve/add tags, use projects’ preferred capn, &c
  fe8e37e... Update an out-of-date reference to a minor version
  90c081c... Update some comments about deprecations
  a1f2561... Improve gtkmm 3 intro re # of changes from gtkmm 2
  561d626... Replace uses of "derivation" with "inheritance"
  3d5f8ec... Replace some uses of " quotes with XML tags
  1347e66... Replace typewriter quotes with curly UTF-8 quotes
  53808aa... Replace typewriter hyphens with en dashes

Commits added to the branch:

  f210c7e... Improve/add tags, use projects’ preferred capn, &c
  d9b0fa8... Elaborate the section on pkg-config and API names
  8ac71e9... Update an out-of-date reference to a minor version
  e07f5fe... Update some comments about deprecations
  d330858... Improve gtkmm 3 intro re # of changes from gtkmm 2
  2d58e95... Replace uses of "derivation" with "inheritance"
  ead1d0f... Replace some uses of " quotes with XML tags
  02dce70... Replace typewriter quotes with curly UTF-8 quotes
  23a146d... Replace typewriter hyphens with en dashes
  98c1169... sdfsfds