[Haskell-cafe] Renumbered mailing list posts

[Sven Panne]

2013/8/12 Joachim Breitner <mail at joachim-breitner.de>:
> happens with mailman/pipermail occasionally.

o_O That's news to me... Why/how does this happen? This sounds like a
serious bug to me, the URLs should really, really be stable to be of
any use.

 > It is more reliable to link to message ids, e.g. via gmame: [...]

That hint doesn't really help to unbreak the Haskell wiki, the various
trac instances, my mailbox, etc. :-(