patch applied (cabal): Fix hscolour code so it only outputs the css once per-lib or exe

Fri Dec 7 05:03:09 PST 2007 Duncan Coutts * Fix hscolour code so it only outputs the css once per-lib or exe Rather than for every module in the lib. Tidy the code up a little too. M ./Distribution/Simple/Haddock.hs -10 +11