Merge branch 'arnaudb/annotate-set-title' into 'master'
authorMatthias Clasen <mclasen@redhat.com>
Mon, 30 Nov 2020 21:14:28 +0000 (21:14 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Mon, 30 Nov 2020 21:14:28 +0000 (21:14 +0000)
Add "nullable" annotation.

See merge request GNOME/gtk!2895


Trivial merge