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Diffstat (limited to 'info/examples/tex-in-practice/be-env.tip')
-rw-r--r-- | info/examples/tex-in-practice/be-env.tip | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/info/examples/tex-in-practice/be-env.tip b/info/examples/tex-in-practice/be-env.tip new file mode 100644 index 0000000000..1275f03f23 --- /dev/null +++ b/info/examples/tex-in-practice/be-env.tip @@ -0,0 +1,46 @@ +% 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 |