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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 18.3.8, p. III-41.
+% Original source in file "tokens1.TEX", starting line 2427.
+\wlog{L: "verb-mac.tip" ["tokens1.TEX," l. 2427, p. III-41]}%
+% This file DOES belong to format "texip."
+\InputD{ts-fonts.tip}
+\InputD{verbdisp.tip}
+\InputD{fexist.tip}
+\catcode`\@ = 11
+\def\ListVerb #1{%
+ \@StartVerbatim{1}%
+ \input #1
+ \@DoneVerbatim
+}
+\def\ListVerbIfFileExists #1{%
+ \par
+ \if\FileExistsConditional{#1}%
+ \ListVerb{#1}%
+ \else
+ \centerline{$\bullet$ File {\tt #1} not found. $\bullet$}%
+ \wlog{\string\ListVerbIfFileExists: no file "#1".}%
+ \fi
+}
+\def\ListVerbAndSource #1{%
+ \ListVerb{#1}%
+ \input #1
+}
+\catcode`\@ = 12