svgedit/firefox-extension/install.rdf

<?xml version="1.0"?>

<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
  <Description about="urn:mozilla:extension:file:chrome"
                   em:package="content" />
  <Description about="urn:mozilla:install-manifest">
    <!-- required properties -->
    <em:id>svg-edit@googlegroups.com</em:id>
    <em:version>2.6</em:version>
    <em:type>2</em:type>
    <em:targetApplication>
      <Description>
        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
        <em:minVersion>1.5</em:minVersion>
        <em:maxVersion>4.*</em:maxVersion>
      </Description>
    </em:targetApplication>
    <em:name>SVG-edit</em:name>
  </Description>
</RDF>