TODO:

Test the following not-called options:
xdg-desktop-icon
	--novendor
xdg-desktop-menu
	--novendor
xdg-email
	--utf8
xdg-icon-resource
	--novendor
	--theme
	--context


Better test the following poorly tested options:
xdg-desktop-menu
	--noupdate
xdg-icon-resource
	--noupdate
