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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