Merge branch 'wip/chergert/for-master' into 'master'
authorMatthias Clasen <mclasen@redhat.com>
Tue, 24 Nov 2020 17:14:53 +0000 (17:14 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Tue, 24 Nov 2020 17:14:53 +0000 (17:14 +0000)
textview: fix precondition assertions

Closes #3386

See merge request GNOME/gtk!2886


Trivial merge