[gtk: 2/2] Merge branch 'wip/sadiq/fixes' into 'master'

[Benjamin Otte <otte src gnome org>]

commit b22f45b2f678840db63b83d77cf72013903bfe9e
Merge: 4f632296a5 0d46081645
Author: Benjamin Otte <otte benjamin googlemail com>
Date:   Mon Jun 11 11:55:09 2018 +0000

    Merge branch 'wip/sadiq/fixes' into 'master'
    
    overlay: Add support for clipping overlay widgets
    
    See merge request GNOME/gtk!189

 docs/reference/gtk/gtk4-sections.txt |   2 +
 gtk/gtkoverlay.c                     | 115 ++++++++++++++++++++++++++++++++++-
 gtk/gtkoverlay.h                     |   7 +++
 3 files changed, 121 insertions(+), 3 deletions(-)
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