Data.Map, Data.IntMap documentation

[Adrian Hey]

Andriy Palamarchuk wrote:
> When writing these docs we found and fixed a couple of
> bugs and documentation inconsistencies.

There's an non-obvious semantic anomaly with the updateLookupWithKey
function too (a bug IMO :-). But it's behaviour should be documented in
any case.
  http://www.haskell.org/pipermail/libraries/2007-March/007304.html

Regards
--
Adrian Hey