[gtk: 7/7] Merge branch 'matthiasc/css-change-tracking-3' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 7738a05bd26005c5a40a63a9a7ca7934de3d82f9
Merge: 2b504201e3 93b5b487ae
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 17 00:38:04 2020 +0000

    Merge branch 'matthiasc/css-change-tracking-3' into 'master'
    
    Preliminary css matcher work
    
    See merge request GNOME/gtk!1326

 gtk/gtkcssmatcher.c        | 156 +++++++++++++++++++++++++++------------------
 gtk/gtkcssmatcherprivate.h |  32 +++++++---
 gtk/gtkcssprovider.c       |   2 +-
 gtk/gtkcssselector.c       |   2 +-
 4 files changed, 118 insertions(+), 74 deletions(-)
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