[gtk: 9/9] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 6ddd9793f34966ea104364713604c2f837711e20
Merge: c4b2112f16 d4ff275002
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 29 12:30:41 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Matthiasc/for master
    
    Closes #1887
    
    See merge request GNOME/gtk!2167

 demos/gtk-demo/main.c                       |   4 +-
 demos/node-editor/help-window.ui            |  27 ++++
 demos/node-editor/node-editor-application.c | 107 +++++++++++++-
 demos/node-editor/node-editor-window.c      |   1 +
 demos/node-editor/node-editor-window.ui     |  24 ++++
 demos/node-editor/node-editor.gresource.xml |   2 +
 demos/node-editor/node-format.md            | 213 ++++++++++++++++++++++++++++
 gtk/gtkbitset.c                             |  13 +-
 testsuite/gtk/bitset.c                      | 138 +++++++++++++++++-
 9 files changed, 512 insertions(+), 17 deletions(-)
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