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>feedreco@codeblues.in</em:id>
        <em:name>feedreco</em:name>
        <em:version>1.0</em:version>
        <em:description>Anonymous Feed Recommendations</em:description>
        <em:creator>Abhishek Choudhary</em:creator>
        <em:homepageURL>http://codeblues.in/feedreco</em:homepageURL>
        <em:type>2</em:type> <!-- type=extension --> 

        <em:targetApplication>
           <!-- Firefox -->
           <Description>
                <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
                <em:minVersion>3.5</em:minVersion>
                <!-- Since Firefox's numbering scheme is unpredictable, users
                are encouraged to edit this field to the current max value.
                -->
                <em:maxVersion>999.0.*</em:maxVersion>
           </Description>
        </em:targetApplication>
    </Description>
</RDF>