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Diffstat (limited to 'info/examples/tex-in-practice/testdef.tip')
-rw-r--r-- | info/examples/tex-in-practice/testdef.tip | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/info/examples/tex-in-practice/testdef.tip b/info/examples/tex-in-practice/testdef.tip new file mode 100644 index 0000000000..d9bff77499 --- /dev/null +++ b/info/examples/tex-in-practice/testdef.tip @@ -0,0 +1,30 @@ +% 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 21.5.6, p. III-173. +% Original source in file "macros1.TEX", starting line 1179. +\wlog{L: "testdef.tip" ["macros1.TEX," l. 1179, p. III-173]}% +% This file DOES belong to format "texip." +\catcode`\@ = 11 +\newif\if@Defined +\def\DefinedConditional #1{% + TT\fi + \ifx\@UndefinedToken #1% + \@Definedfalse + \else + \@Definedtrue + \fi + \if@Defined +} +\catcode`\@ = 12 |