I'm repasting Stefan Holdermans' mail from Haskell-cafe, because it also concerns this issue:
> Hi all,
>
> The last days, some spam was added to the GHC developer wiki
> (http://hackage.haskell.org/trac/ghc) .
>
> I have removed some of it, but I could not get rid of the bits that were added through
> attachments; see for example the bottom of http://hackage.haskell.org/trac/ghc/wiki/Building.
> Can someone with wiki admin rights have a go at it?
>
> Thanks,
>
> Stefan
Jan