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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 25.2.3, p. III-353.
+% Original source in file "macros5.TEX", starting line 2013.
+\wlog{L: "numcond.tip" ["macros5.TEX," l. 2013, p. III-353]}%
+% This file DOES belong to format "texip."
+\InputD{rangetst.tip}
+\InputD{ctestcs.tip}
+\catcode`\@ = 11
+\newcount\@NumberConditionalCounter
+\def\@NumberConditional #1#2;{%
+ \@NumberConditionalCounter = `#1\relax
+}
+\def\NumberConditional #1{%
+ TT\fi
+ \edef\@NumberConditionalString{#1}%
+ \expandafter\@NumberConditional\@NumberConditionalString ;
+ \if\InRangeConditional{\@NumberConditionalCounter}{`\0}{`\9}%
+}
+\catcode`\@ = 12