[gtk: 3/3] Merge branch 'new-clipboard-demo' into 'main'

[Matthias Clasen <matthiasc src gnome org>]

commit 27d05014e36d0a685d8181a320968457e7609d78
Merge: 7f6895a4bb ebb58b7cbc
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 12 18:30:27 2021 +0000

    Merge branch 'new-clipboard-demo' into 'main'
    
    docs: Small improvement
    
    See merge request GNOME/gtk!4238

 demos/gtk-demo/clipboard.c        | 378 +++++++++++++++++++++++++-------------
 demos/gtk-demo/clipboard.ui       | 255 +++++++++++++++++++++++++
 demos/gtk-demo/demo.gresource.xml |   1 +
 gtk/gtkexpression.c               |   2 +-
 4 files changed, 504 insertions(+), 132 deletions(-)
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