[jhc] darcs patch: improve the parser to accept a lot more ... (and 3 more)

Tue Jul 27 17:19:11 PDT 2010 John Meacham * improve the parser to accept a lot more valid (but odd) haskell programs Tue Jul 27 19:52:03 PDT 2010 John Meacham * don't use cache when testing typechecker Tue Jul 27 21:37:54 PDT 2010 John Meacham * improve help messages for -d and -f flags Wed Jul 28 00:36:20 PDT 2010 John Meacham * add some strictness annotations