[Default Applications]
text/html=io.gitlab.librewolf-community.desktop
x-scheme-handler/http=io.gitlab.librewolf-community.desktop
x-scheme-handler/https=io.gitlab.librewolf-community.desktop
x-scheme-handler/about=io.gitlab.librewolf-community.desktop
x-scheme-handler/unknown=io.gitlab.librewolf-community.desktop
application/pdf=com.github.xournalpp.xournalpp.desktop

[Added Associations]
text/plain=emacs.desktop;
application/pdf=com.github.xournalpp.xournalpp.desktop;