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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 9.3.11, p. I-342.
% Original source in file "boxit.TEX", starting line 1511.
\wlog{L: "emprubox.tip" ["boxit.TEX," l. 1511, p. I-342]}%
% This file DOES belong to format "texip."
\catcode`\@ = 11
\newbox\@EmptyRuledBox
\def\EmptyRuledBox #1#2#3{%
\setbox\@EmptyRuledBox = \hbox{}%
\ht\@EmptyRuledBox = #1\relax
\dp\@EmptyRuledBox = #2\relax
\wd\@EmptyRuledBox = #3\relax
\HboxR{\box\@EmptyRuledBox}%
}
\catcode`\@ = 12
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