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/usr/lib/mozilla-thunderbird/extensions/{c91650eb-62ec-44e4-afee-3b3f66b6227d}/install.rdf
/usr/share/doc/mozilla-thunderbird-offline/changelog.Debian.gz
/usr/share/doc/mozilla-thunderbird-offline/copyright
/var/lib/mozilla-thunderbird/extensions.d/50offline-extension.txt
/var/lib/mozilla-thunderbird/extensions.d/extension.part.offline