[Mailman-Developers] Google Summer of Code: Integration of Search Code

[Jeff Breidenbach]

> An archiver should certainly provide an interface to look up a message by [...] the hash.

Including List-Id in the hash calculation allows the archiver to
display a cross
posted message in context. See http://www.mail-archive.com/faq.html#listserver

Also,  a gentle reminder that I put some comments in the Launchpad entry
for IMailingList.archive*

Jeff