% 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