This package allows to use bold characters in text and math mode.
It works only with vectorfonts which are created by outlines.
It makes no real sense for XeLaTeX, because you can use the option
AutoFakeBold from package fontspec.

%% It may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.


Herbert Voß, hvoss@tug.org