messenger.jar:
    content/messenger/am-mdn.xul                                     (resources/content/am-mdn.xul)
    content/messenger/am-mdn.js                                      (resources/content/am-mdn.js)
    content/messenger-mdn/contents.rdf                               (resources/content/contents.rdf)

en-US.jar:
    locale/en-US/messenger/am-mdn.dtd                                (resources/locale/en-US/am-mdn.dtd)  
    locale/en-US/messenger/am-mdn.properties                         (resources/locale/en-US/am-mdn.properties)  
    locale/en-US/messenger-mdn/contents.rdf                          (resources/locale/en-US/contents.rdf)
    locale/en-US/messenger/msgmdn.properties                         (resources/locale/en-US/msgmdn.properties)