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>{888d99e7-e8b5-46a3-851e-1ec45da1e644}</em:id>
    <em:version>45.0.0</em:version>
    <em:type>2</em:type>
    
    <!-- Target Application this extension can install into, 
        with minimum and maximum supported versions. --> 
    <em:targetApplication>
     <!-- Firefox -->
     <Description>
       <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
       <em:minVersion>23.*</em:minVersion>
       <em:maxVersion>45.*</em:maxVersion>
     </Description>
    </em:targetApplication>
    
    <!-- Front End MetaData -->
    <em:name>ReloadEvery</em:name>
    <em:description>Reloads webpages every so many seconds or minutes</em:description>
    <em:creator>Jaap Haitsma</em:creator>
    <em:homepageURL>http://reloadevery.mozdev.org/</em:homepageURL>

    <!-- Front End Integration Hooks (used by Extension Manager)-->  

    <em:iconURL>chrome://reloadevery/skin/reloadevery.png</em:iconURL>

  </Description>      
</RDF>