[cvs-nhc98] patch applied (hat): Colin' s simple prototype program to mark in a Haskell source program

Wed Oct 6 06:16:36 PDT 2004 malcolm * Colin's simple prototype program to mark in a Haskell source program the application-expressions that have instances in a Hat trace. Output is to stdout, with terminal highlighting to indicate code that was exercised. M ./src/hattools/HatCover.hs -15 +155