[cvs-nhc98] patch applied (hat): Tidy up the hat-detect user interface.

Fri Feb 15 07:31:24 PST 2002 malcolm * Tidy up the hat-detect user interface. * command T now means 'start hat-trail' * command to `trust' must be spelled in full * command to `suspect' must be spelled in full * new command E means 'start hat-explore' * prompt is now just "? " rather than "(Y/?Y/?N/N): " M ./src/hattools/HatDetect.hs -35 +28