[Haskell-beginners] Why html in platform?

[q]

Stephen Tetley <stephen.tetley <at> gmail.com> writes:

> > Is html included for some historical reason?
> Yes it was part of the extras that used to get shipped with GHC. With
release 6.12.1, the developers at GHC HQ moved out the non-core packages
into the Haskell Platform.

So is there any reason not to replace it with blaze-html, or just that
nobody's got around to it?