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Diffstat (limited to 'info/examples/tip/legdate.tip')
-rw-r--r-- | info/examples/tip/legdate.tip | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/info/examples/tip/legdate.tip b/info/examples/tip/legdate.tip new file mode 100644 index 0000000000..336c8ecf27 --- /dev/null +++ b/info/examples/tip/legdate.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 26.8, p. III-367. +% Original source in file "macros6.TEX", starting line 495. +\wlog{L: "legdate.tip" ["macros6.TEX," l. 495, p. III-367]}% +% This file DOES belong to format "texip." +\InputD{legmonth.tip} +\InputD{legyear.tip} +\InputD{rangetst.tip} +\InputD{ndaysmo.tip} +\catcode`\@ = 11 +\newcount\@TempCheckDate +\def\CheckDate #1#2#3{% + \CheckLegalYear{#1}% + \CheckLegalMonth{#2}% + \NumberOfDaysInMonth{#1}{#2}{\@TempCheckDate}% + \CheckRange{#3}{1}{\@TempCheckDate}% + {\string\CheckDate: provided date #1-#2-#3 is illegal.}% +} +\catcode`\@ = 12 |