Edit File: collection.xml
<?xml version="1.0" encoding="utf-8"?> <mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="font/collection"> <!--Created automatically by update-mime-database. DO NOT EDIT!--> <comment>Font collection</comment> <generic-icon name="font-x-generic"/> <glob pattern="*.ttc"/> </mime-type>