ref: 7c7c7a23512be8c2f3100b61a5ea95f1d5e76d93
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).