mush

System: Slackware Linux (version 15.0)
CPUs: Intel(R) Core(TM) i5-3230M CPU @2.60GHz
GPU: Mesa DRI Intel(R) HD Graphics 4000

The da.po file is incomplete.

bash-5.1$ git clone -q https://github.com/argv01/zmail.git
bash-5.1$ msgfmt -c -v -o /dev/null zmail/mush/da.po
zmail/mush/da.po:15: warning: header field 'Language' missing in header
2 translated messages, 2 untranslated messages.
bash-5.1$ sed -i '22i "Language: da\\n"' zmail/mush/da.po
bash-5.1$ sed -i '48s/"/"For at bygge mush binære pakker skal du køre/' zmail/mush/da.po
bash-5.1$ sed -i '54s/"/"        build-mush/' zmail/mush/da.po
bash-5.1$