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

[Matthias Clasen <matthiasc src gnome org>]

commit f2e5775380976923a569a42415df0630cc3bae48
Merge: a7164208d3 2d3885a44a
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 1 22:48:11 2021 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Matthiasc/for master
    
    Closes #3506 and #3530
    
    See merge request GNOME/gtk!3024

 docs/reference/gtk/gtk4-builder-tool.xml | 56 ++++++++++++++++++--------------
 gtk/gtkcenterlayout.c                    |  2 +-
 gtk/gtkprintoperation.h                  |  3 +-
 3 files changed, 34 insertions(+), 27 deletions(-)
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