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% This macro source file is from the four volume series
% "TeX in Practice" by Stephan von Bechtolsheim, published
% 1993 by Springer-Verlag, New York.
% Copyright 1993 Stephan von Bechtolsheim.
% No warranty or liability is assumed.
% This macro may be copied freely if no fees other than
% media cost or shipping charges are charged and as long
% as this copyright and the following source code itself
% is not changed. Please see the series for further information.
%
% Version: 1.0
% Date: May 1, 1993
%
%
% This source code is documented in 7.4.3.1, p. I-239.
% Original source in file "vboxes1.TEX", starting line 1639.
\wlog{L: "setstrut.tip" ["vboxes1.TEX," l. 1639, p. I-239]}%
% This file DOES belong to format "texip."
\catcode`\@ = 11
\newdimen\@StrutBaseDimension
\newdimen\@StrutSkipTemp
\def\ComputeStrut{%
\@StrutBaseDimension = \baselineskip
\ifdim\baselineskip < 0pt
\errhelp = {You probably called \string\offinterlineskip
before \string\ComputeStrut}
\errmessage{\string\ComputeStrut: negative
\string\baselineskip (\the\baselineskip)}%
\fi
}
\def\MyStrut{%
\vrule height 0.7\@StrutBaseDimension
depth 0.3\@StrutBaseDimension
width 0pt
}
\def\HigherStrut #1{%
\@StrutSkipTemp = 0.7\@StrutBaseDimension
\advance\@StrutSkipTemp by #1%
\vrule height \@StrutSkipTemp
depth 0.3\@StrutBaseDimension
width 0pt
}
\def\DeeperStrut #1{%
\@StrutSkipTemp = 0.3\@StrutBaseDimension
\advance\@StrutSkipTemp by #1%
\vrule height 0.7\@StrutBaseDimension
depth \@StrutSkipTemp
width 0pt
}
\ComputeStrut
\catcode`\@ = 12
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