[cvs-nhc98] patch applied (hat): Improve the driver script for hat-trans.

[Malcolm Wallace]

Wed Jul  2 06:51:35 PDT 2003  malcolm
  * Improve the driver script for hat-trans.
    * Accept multiple arguments of files to be transformed.
    * Always run cpp on the input files with -D__HAT__ defined.
    * Accept extra -Dsym=val and -Usym arguments on the commandline.
    * Includes a hack for hmake-generated calls where cpp has already
      been performed, and the intermediate file is given on the command
      line in addition to the original file.

    M ./script/hat-trans.inst -7 +70