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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 19.3.9, p. III-96.
% Original source in file "tokens2.TEX", starting line 1430.
\wlog{L: "cref-2a.tip" ["tokens2.TEX," l. 1430, p. III-96]}%
% This file DOES NOT belong to format "texip."
\InputD{namedef.tip}
\catcode`\@ = 11
\def\@NewLabel #1#2#3{%
    \if\NameDefinedConditional{@REF-#1}% 
        \message{\string\@NewLabel: Label "#1" already defined.}%
    \fi
    \NameDef{@REF-#1}{{#2}{#3}}% 
}
\catcode`\@ = 12