Marks text, using TeX's resources only (without resorting to \special commands). Grey background uses a shade font provided as Metafont source. Works under plain TeX and in simple LaTeX 2.09 documents, but probably not in LaTeX 2e.
See also chbar.
The author is Peter Schmitt.
License: noinfo Version: 2.0 Catalogued: 2015-08-03