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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 3.3.8.1, p. I-50.
+% Original source in file "reg1.TEX", starting line 1126.
+\wlog{L: "leadingz.tip" ["reg1.TEX," l. 1126, p. I-50]}%
+% This file DOES belong to format "texip."
+\catcode`\@ = 11
+\newcount\@LeadingZCount
+\def\LeadingZ #1{%
+ \@LeadingZCount = #1\relax
+ \ifnum \@LeadingZCount < 10
+ 0%
+ \fi
+ \the\@LeadingZCount
+}
+\catcode`\@ = 12