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author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /info/examples/tip/earliest.tip |
Initial commit
Diffstat (limited to 'info/examples/tip/earliest.tip')
-rw-r--r-- | info/examples/tip/earliest.tip | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/info/examples/tip/earliest.tip b/info/examples/tip/earliest.tip new file mode 100644 index 0000000000..9e9564443a --- /dev/null +++ b/info/examples/tip/earliest.tip @@ -0,0 +1,41 @@ +% 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 26.1, p. III-357. +% Original source in file "macros6.TEX", starting line 39. +\wlog{L: "earliest.tip" ["macros6.TEX," l. 39, p. III-357]}% +% This file DOES belong to format "texip." +\InputD{dateofw.tip} +\InputD{arbday.tip} +\catcode`\@ = 11 +\newcount\@TempEarliest +\newcount\EarliestYearDate +\EarliestYearDate = 1583 +\newcount\DayOfWeekOfEarliestDate +\DayOfWeekOfEarliestDate = \Saturday +\def\VerifyInitDate{% + {% + \ArbitraryDayOfWeek{2000}{1}{1}{\@TempEarliest}% + \ifnum\@TempEarliest = \Saturday + \message{\string\VerifyInitDate: initialization + correct (initialization year: + \the\EarliestYearDate).}% + \else + \errmessage{\string\VerifyInitDate: January 1 of 2000 + is a Saturday! Computation reports it is + day \the\@TempEarliest\space. Initialization error.}% + \fi + }% +} +\catcode`\@ = 12 |