The file processes to produce (real) rulers; the author suggests printing them on transparent plastic and trimming for use as a “real” ruler. The rule widths are 0.05mm, which can be challenging for (old) laser printers.
See also pointruler.
The author is Victor Eijkhout. The package is Copyright © 1990-1999 Victor Eijkhout.
License: gpl Version: 1.1 Catalogued: 2015-08-03