% 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 27.6.4, p. III-435.
% Original source in file "macros7.TEX", starting line 1860.
\wlog{L: "be-env.tip" ["macros7.TEX," l. 1860, p. III-435]}%
% This file DOES belong to format "texip."
\InputD{namedef.tip}
\InputD{compst.tip}
\catcode`\@ = 11
\def\NewEnvironment #1{%
   \wlog{\string\NewEnvironment: new environment #1.}%
   \NameNewDef{@@B-#1}{%
       \bgroup
       \def\@CurEnvName{#1}%
       \NameUse{@Begin#1}%
   }%
   \NameNewDef{@@E-#1}{%
       \NameUse{@End#1}%
       \if\StringsEqualConditional{#1}{\@CurEnvName}%
       \else
           \errmessage{Ending environment: mismatch in
               environment names: specified: #1,
               expected: \@CurEnvName}%
       \fi
       \egroup
   }%
}
\def\B #1{%
   \NameUse{@@B-#1}%
}
\def\E #1{%
   \NameUse{@@E-#1}%
}
\catcode`\@ = 12

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