[cvs-nhc98] patch applied (hat): Solve the problem that _ did not expand in verbose mode, and _|_ and

Thu May 2 03:08:19 PDT 2002 malcolm * Solve the problem that _ did not expand in verbose mode, and _|_ and ^C had no parent. Basically, we followed the result chain pointer too far. Now, the getResult() routine stops at the last expression before the _, ^C, or _|_, and the pretty-printer must take a quick look (peekResult()) down one link of the chain to decide how to display the expression. M ./src/hattools/HatObserve.hs -2 +2 M ./src/hattools/HatTrail.hs -20 +34 M ./src/hattools/LowLevel.hs +6 M ./src/hattools/SExp.hs -25 +30 M ./src/hattools/artutils.c -6 +85 M ./src/hattools/artutils.h +1