}

    /**
     *  Evaluate XPath string to an XObject.
     *  XPath namespace prefixes are resolved from the namespaceNode.
     *  The implementation of this is a little slow, since it creates
     *  a number of objects each time it is called.  This could be optimized
     *  to keep the same objects around, but then thread-safety issues would arise.
     *

    <magic priority="50">
      <!-- MM.* = Big endian (M=Motorola) and 0x002a in big endian    -->
      <match value="MM\x00\x2a" type="string" offset="0"/>
      <!-- II*. = Little endian (I=Intel) and 0x002a in little endian -->
      <match value="II\x2a\x00" type="string" offset="0"/>
      <!-- MM.+ = Big endian (M=Motorola) and 0x002a in big endian-->
      <match value="MM\x00\x2b" type="string" offset="0"/>