[gtk: 4/4] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit b2d6011679cb7d612d351835c0a59347decc4296
Merge: c0aa1c8a49 5fe837483c
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 27 05:05:33 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Matthiasc/for master
    
    See merge request GNOME/gtk!2746

 docs/reference/gtk/images/box.png       | Bin 0 -> 5202 bytes
 docs/reference/gtk/images/centerbox.png | Bin 0 -> 3142 bytes
 docs/reference/gtk/images/grid.png      | Bin 0 -> 3110 bytes
 docs/reference/gtk/images/overlay.png   | Bin 0 -> 5973 bytes
 docs/reference/gtk/meson.build          |   4 +
 docs/reference/gtk/visual_index.xml     |   6 +
 docs/tools/widgets.c                    | 205 +++++++++++++++++++++++++++++++-
 gtk/gtkmodelbutton.c                    |   5 +
 8 files changed, 219 insertions(+), 1 deletion(-)
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