Changelog:

10/23/90  Original version, David Deaven <deaven@marichal.berkeley.edu>
08/07/91  miscellaneous upgrades
05/06/92  add TeX label dvi2ps(1) support
02/10/94  Release 1.0 <deaven@ishmael.ameslab.gov>

07/18/94  fix bug in ticker() bad case code
08/05/94  add BoundingBox
09/21/94  add multiple column reads, split source files
10/03/94  polish up column spec code
10/31/94  add "break" token
11/09/94  fix header legend generation
06/14/95  add path search for files
