[cvs-nhc98] patch applied (hat): When hat-trail is invoked from another tool, an accidental backspace

Wed Jun 5 09:35:34 PDT 2002 malcolm * When hat-trail is invoked from another tool, an accidental backspace at the top of the window caused hat-trail to exit. It should remain on screen. M ./src/hattools/HatTrail.hs -2 +1