[gtk: 2/2] Merge branch 'column-visible' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit f5cc2c0d207292ddaa9b8d41df443311964a8369
Merge: 931d68bc92 4877bb5b5c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 31 20:39:06 2020 +0000

    Merge branch 'column-visible' into 'master'
    
    columnview: Add a GtkColumnViewColumn:visible property
    
    See merge request GNOME/gtk!1997

 docs/reference/gtk/gtk4-sections.txt |  2 +
 gtk/gtkcolumnviewcell.c              |  1 +
 gtk/gtkcolumnviewcolumn.c            | 74 ++++++++++++++++++++++++++++++++++++
 gtk/gtkcolumnviewcolumn.h            |  6 +++
 4 files changed, 83 insertions(+)
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