From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- info/examples/tip/futlet.tip | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 info/examples/tip/futlet.tip (limited to 'info/examples/tip/futlet.tip') diff --git a/info/examples/tip/futlet.tip b/info/examples/tip/futlet.tip new file mode 100644 index 0000000000..354e3d2f18 --- /dev/null +++ b/info/examples/tip/futlet.tip @@ -0,0 +1,32 @@ +% 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 23.4.3, p. III-256. +% Original source in file "macros3.TEX", starting line 1021. +\wlog{L: "futlet.tip" ["macros3.TEX," l. 1021, p. III-256]}% +% This file DOES belong to format "texip." +\catcode`\@ = 11 +\long\def\DoLongFutureLet #1#2#3#4{% + \def\@FutureLetDecide{% + #1#2\@FutureLetToken + \def\@FutureLetNext{#3}% + \else + \def\@FutureLetNext{#4}% + \fi + \@FutureLetNext + }% + \futurelet\@FutureLetToken\@FutureLetDecide +} +\def\DoFutureLet #1#2#3#4{\DoLongFutureLet{#1}{#2}{#3}{#4}} +\catcode`\@ = 12 -- cgit v1.2.3