Seamonkey support

    <!-- support for Seamonkey -->
    <em:targetApplication>
      <Description>
        <em:id>{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}</em:id>
        <em:minVersion>1.0</em:minVersion>
        <em:maxVersion>3.0*</em:maxVersion>
      </Description>
    </em:targetApplication>