ref: 7f3f8d9e7dab4f10d63c2666b1665cb55d6e7a68
dir: /sys/src/cmd/postscript/buildtables/README/
Programs for building troff width tables on a PostScript printer. Assumes you have direct access to the printer's serial port. Also needs a special table dependent shell library file to build the tables (e.g. ../devLatin1/shell.lib).