ref: 32b9b4b6894b363f4e8b9c25f6df8292eb5f8d87
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).