The commit for bug 397472 completely broke the multi-message summaries because it changes the name of the monthDate string to monthDate2. Let's fix it.  http://hg.mozilla.org/mozilla-central/rev/57d2ada7f864
Hmm, I suppose it would help if I actually made sure the patch worked. Here's a version that formats the dates properly too.
Attachment #572391 - Flags: review?(mbanner) → review+
I was about to file that one, glad to see squib has been faster :)
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