[Default Applications]
application/pdf=firefox.desktop

x-scheme-handler/https=firefox.desktop
x-scheme-handler/http=firefox.desktop
x-scheme-handler/ftp=firefox.desktop
x-scheme-handler/postman=Postman.desktop

text/html=firefox.desktop

application/x-extension-htm=firefox.desktop
application/x-extension-html=firefox.desktop
application/x-extension-shtml=firefox.desktop
application/xhtml+xml=firefox.desktop
application/x-extension-xhtml=firefox.desktop
application/x-extension-xht=firefox.desktop

image/png=sxiv.desktop;
image/jpeg=sxiv.desktop;