[gtk: 3/3] Merge branch 'property-selection' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 8fca040163bdc5de9b4926ce6614520d4672de06
Merge: 951c9c5d73 14605d4b92
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 6 17:35:05 2020 +0000

    Merge branch 'property-selection' into 'master'
    
    Property selection
    
    Closes #2826
    
    See merge request GNOME/gtk!2054

 demos/gtk-demo/listview_colors.c     |  16 +-
 docs/reference/gtk/gtk4-docs.xml     |   1 +
 docs/reference/gtk/gtk4-sections.txt |   9 +
 docs/reference/gtk/gtk4.types.in     |   1 +
 gtk/gtk.h                            |   1 +
 gtk/gtkpropertyselection.c           | 487 +++++++++++++++++++++++++++++++++++
 gtk/gtkpropertyselection.h           |  40 +++
 gtk/meson.build                      |   2 +
 testsuite/gtk/defaultvalue.c         |   3 +
 testsuite/gtk/notify.c               |   4 +
 testsuite/gtk/objects-finalize.c     |   7 +-
 11 files changed, 567 insertions(+), 4 deletions(-)
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