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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 25.2.4, p. III-354.
% Original source in file "macros5.TEX", starting line 2056.
\wlog{L: "condltr.tip" ["macros5.TEX," l. 2056, p. III-354]}%
% This file DOES belong to format "texip."
\catcode`\@ = 11
\newif\if@LetterConditional
\newcount\@LetterConditionalCounter
\def\@LetterConditional #1#2;{%
\@LetterConditionalCounter = `#1\relax
}
\def\LetterConditional #1{%
TT\fi
\@LetterConditionalfalse
\edef\@LetterConditionalString{#1}%
\expandafter\@LetterConditional\@LetterConditionalString ;
\if\InRangeConditional{\@LetterConditionalCounter}{`\a}{`\z}%
\@LetterConditionaltrue
\fi
\if\InRangeConditional{\@LetterConditionalCounter}{`\A}{`\Z}%
\@LetterConditionaltrue
\fi
\if@LetterConditional
}
\catcode`\@ = 12
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