% 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 18.3.14.2, p. III-57.
% Original source in file "tokens1.TEX", starting line 3279.
\wlog{L: "ts-verb2.tip" ["tokens1.TEX," l. 3279, p. III-57]}%
% This file DOES belong to format "texip."
\catcode`\@ = 11
\def\Btexalt{%
   \@btex
   \@StartVerbatim{0}%
   \btex@morealt
}
{
   \catcode `| =  0 % | becomes escape character.
   \catcode`\\ = 12 % \ now prints.
   |gdef|btex@morealt #1\Etexalt{%
       #1%
       |@DoneVerbatim
       |@etex
   }%
}
\catcode`\@ = 12