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\ProvidesPackage{maybemath}[2004/11/29]
\RequirePackage{bm}
%% A few commands for making math fonts bold or italic
%% according to the context of surrounding text. It is
%% particularly useful for avoiding problems with math
%% boldness in section titles causing unwanted boldness
%% in e.g. the table of contents.
%%
%% Thanks to Viet-Trung Luu on comp.text.tex for providing
%% the first steps to solving this problem.
%%
%% This material is subject to the LaTeX Project Public License.
%% See http://www.ctan.org/tex-archive/help/Catalogue/licenses.lppl.html
%% for the details of that license.
%%
%% Author: Andy Buckley <andy@insectnation.org>
%% Use the bold symbol if reqd for math fonts
\DeclareRobustCommand{\maybebm}[1]{%
\def\boldname{b}%
\def\boldexname{bx}%
\ifx\f@series\boldname%
\boldsymbol{#1}%
\else\ifx\f@series\boldexname%
\boldsymbol{#1}%
\else%
#1%
\fi\fi%
}
%% Use \mathrm if not in italic context
%% (``backward logic'' for a reason)
\def\italname{it}%
\DeclareRobustCommand{\maybeit}[1]{%
\ifx\f@shape\italname%
{#1}%
\else%
{\mathrm{#1}}%
\fi%
}
%% Maybe-italic subscript shifting
\DeclareRobustCommand{\maybeitsubscript}[1]{%
\ifx\f@shape\italname%
{\!\!#1}%
\else%
{#1}%
\fi%
}
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