gecko-dev/tools/quitter/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:install-manifest">
    <em:id>quitter@mozilla.org</em:id>
    <em:version>2016.03.10</em:version>
    <em:type>2</em:type>

    <!-- Target Application this extension can install into,
         with minimum and maximum supported versions. -->
    <em:targetApplication>
      <Description>
        <!-- Firefox -->
        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
        <em:minVersion>45.0</em:minVersion>
        <em:maxVersion>*</em:maxVersion>
      </Description>
    </em:targetApplication>
    <em:targetApplication>
      <Description>
        <!-- Fennec -->
        <em:id>{aa3c5121-dab2-40e2-81ca-7ea25febc110}</em:id>
        <em:minVersion>45.0</em:minVersion>
        <em:maxVersion>*</em:maxVersion>
      </Description>
    </em:targetApplication>

    <!-- Front End MetaData -->
    <em:name>Quitter</em:name>
    <em:description>Adds a quit method that content pages can use to quit the application.</em:description>
    <em:creator>Mozilla</em:creator>
  </Description>
</RDF>