[cvs-nhc98] Add Haskell pretty printer to hat-detect and hat-observe.

[User olaf]

olaf: Fri Sep 21 12:00:05 CEST 2001

Update of /usr/src/master/nhc/src/tracer/hat
In directory hinken:/tmp/cvs-serv6925/src/tracer/hat

Modified Files:
	HatExpressionTree.hs Hatdetect.hs Hatobserve.hs Makefile 
Added Files:
	PrettyExp.hs PrettyLib.hs 
Log Message:
Add Haskell pretty printer to hat-detect and hat-observe.

Very large output that cannot fit into given width is still a problem, everything is broken down and indentation can exceed several lines.