[gtk: 2/2] Merge branch 'matthiasc/css-change-tracking' into 'master'

[Benjamin Otte <otte src gnome org>]

commit dd0cc9df9f367a7a810c036119e5f6c16d60f78b
Merge: 2c231f4336 789f6f3941
Author: Benjamin Otte <otte benjamin googlemail com>
Date:   Thu Jan 16 22:13:57 2020 +0000

    Merge branch 'matthiasc/css-change-tracking' into 'master'
    
    Better css change handling
    
    See merge request GNOME/gtk!1324

 gtk/gtkcssnode.c               | 29 ++++++++++++++++++++++++-----
 gtk/gtkcssstaticstyle.c        |  9 +++++----
 gtk/gtkcssstaticstyleprivate.h |  3 ++-
 3 files changed, 31 insertions(+), 10 deletions(-)
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