On 01/21/2014 09:12 AM, Richard Z wrote: > How do I find out where application/x-extension-mts.xml was generated > from? How do I override it properly? The stuff in /usr/share/mime/packages/ See also: http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html#s2_layout -- Rex