ref: 64a8d7f023a5ade2b5f3c5dca78a44a653f15f33
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).