Merge branch 'label-underline-markup' into 'master'
authorMatthias Clasen <mclasen@redhat.com>
Tue, 15 Jun 2021 19:43:40 +0000 (19:43 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Tue, 15 Jun 2021 19:43:40 +0000 (19:43 +0000)
label: Fix mnemonic handling

Closes #4041

See merge request GNOME/gtk!3670


Trivial merge