The program was originally written in Hedrick-Pascal, running on TOPS-20, and was later ported to UNIX (BSD, Berkeley-pascal).
It is not very smart in all situations, but still serves it pur- pose fairly well.
For information on how to use see the man-page.
Disdvi is a simple hack that dumps a dvi file in a more readable form. It is not a spectacular program but use it and improve as you wish. I'd appreciate any enhancements made, bug reports etc. mailed to me.