Comment 16 for bug 41285

I wouldn't know how to assign a mimetype. Here is the output:

m@dhcppc0:...-of-space/other $ grep -R "x-extension" ~/.local/share/mime
/home/m/.local/share/mime/packages/Override.xml: <mime-type type="application/x-extension-cmg"><comment>Compressed Application Image</comment><glob pattern="*.cmg"/></mime-type>
/home/m/.local/share/mime/packages/Override.xml:<mime-type type="application/x-extension-mpc"><comment>mpc document</comment><glob pattern="*.mpc"/></mime-type><mime-type type="application/x-extension-ape"><comment>ape document</comment><glob pattern="*.ape"/></mime-type><mime-type type="application/x-extension-m4v"><comment>Documento m4v</comment><glob pattern="*.m4v"/></mime-type><mime-type type="application/x-extension-met"><comment>met document</comment><glob pattern="*.met"/></mime-type><mime-type type="application/x-extension-wv"><comment>wv document</comment><glob pattern="*.wv"/></mime-type></mime-info>
/home/m/.local/share/mime/application/x-extension-cmg.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="application/x-extension-cmg">
/home/m/.local/share/mime/application/x-extension-mpc.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="application/x-extension-mpc">
/home/m/.local/share/mime/application/x-extension-ape.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="application/x-extension-ape">
/home/m/.local/share/mime/application/x-extension-m4v.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="application/x-extension-m4v">
/home/m/.local/share/mime/application/x-extension-met.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="application/x-extension-met">
/home/m/.local/share/mime/application/x-extension-wv.xml:<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="application/x-extension-wv">
/home/m/.local/share/mime/globs:application/x-extension-cmg:*.cmg
/home/m/.local/share/mime/globs:application/x-extension-wv:*.wv
/home/m/.local/share/mime/globs:application/x-extension-met:*.met
/home/m/.local/share/mime/globs:application/x-extension-m4v:*.m4v
/home/m/.local/share/mime/globs:application/x-extension-ape:*.ape
/home/m/.local/share/mime/globs:application/x-extension-mpc:*.mpc
Binary file /home/m/.local/share/mime/mime.cache matches