patch applied (packages/HaXml): generate source links in Haddock documentation

[Malcolm Wallace]

Tue Jan 31 07:24:50 PST 2006  Malcolm.Wallace at cs.york.ac.uk
  * generate source links in Haddock documentation
  Requires a recent (0.8) version of haddock, with the requisite
  patches for generating source links.  Also requires a recent (0.3)
  version of HsColour, to produce colour versions of the source complete
  with HTML anchors.

    M ./Makefile -4 +15