[cvs-nhc98] In hat-observe:

malcolm: Wed May 1 15:34:53 CEST 2002 Update of /usr/src/master/nhc/src/hat/tools In directory hinken:/tmp/cvs-serv5101 Modified Files: HatObserve.hs Added Files: TExp.hs Trie.hs Log Message: In hat-observe: * clean up initialisation of the InteractiveState * save screenWidth in state, with :resize command to re-detect * use screenWidth in pretty-printer * re-implement unique equation tests, using a Trie