field could clear this up (but it's quite ugly as well)   -->
  
  <mime-type type="application/x-quattro-pro;version=1+5">
    <sub-class-of type="application/x-quattro-pro"/>
    <_comment>Quattro Pro for Windows, version 1, 5</_comment>
    <magic priority="50">
      <match value="0x000002000110" type="string" offset="0">
      </match>
    </magic>
    <glob pattern="*.wb1"/>