Review for Lightning Nightly Updater (Unofficial) by grahamperrin
Rated 4 out of 5 stars
0.10.100228 refers to http://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/latest-comm-1.9.1/macosx-xpi/ which does not exist.
Maybe a consequence of https://bugzilla.mozilla.org/show_bug.cgi?id=550789
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