Hopefully, one of you wizards will be able to help me. This problem
does not seem to have been addressed yet. Thanks in advance,
Gordon Erlebacher
The AMS package has these symbols: just \usepackage{amssymb} in
LaTeX. The symbols are called \blacktriangle, \blacktriangledown,
\blacktriangleleft, and \blacktriangleright.
Maurizio Loreti http://mvxpd5.pd.infn.it/wwwcdf/mlo.html
Un. of Padova, Dept. of Physics - Padova, Italy lor...@padova.infn.it