function makeOpenOfficeMimeType(data) {
    return (
      'application/vnd.oasis.opendocument.' +
      gen_private.mixed.res_data.mimeType
    )
  }
Create the mimetpe resource.
<br /><br />

Every OpenOffice based document must have this resource.

@param {object} data Ignored by this callback function.
@return Text string.