[cvs-nhc98] patch applied (hat): New version of hat-trail for new file format.

[Malcolm Wallace]

Mon Apr 22 04:02:02 PDT 2002  malcolm
  * New version of hat-trail for new file format.

    M ./src/hattools/LowLevel.hs -59 +143
    M ./src/hattools/Makefile -2 +1
    M ./src/hattools/SExp.hs -83 +89
    M ./src/hattools/artutils.c -14 +71
    M ./src/hattools/artutils.h +1