<?xml version="1.0"?>
<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
  <mime-type type="text/x-generic-project">
    <sub-class-of type="text/plain"/>
    <comment>Generic Project file</comment>
    <glob pattern="*.files"/>
  </mime-type>
</mime-info>

<?xml version="1.0"?>
<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
  <mime-type type="text/x-generic-project">
    <sub-class-of type="text/plain"/>
    <comment>Generic Qt Creator Project file</comment>
    <glob pattern="*.creator"/>
  </mime-type>
</mime-info>

Use .creator as extension for the project files.
Use .creator as extension for the project files.
