ref: 3f5a4e9f7e3c0d1e7c43d2974049e2eb7bc7b5a0
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).