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% 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 26.18, p. III-384.
% Original source in file "macros6.TEX", starting line 1256.
\wlog{L: "mondofda.tip" ["macros6.TEX," l. 1256, p. III-384]}%
% This file DOES belong to format "texip."
\InputD{arbday.tip}
\InputD{prevday.tip}
\InputD{doloop.tip}
\catcode`\@ = 11
\newcount\@ComputeMondayOfDateDay
\newcount\@ComputeMondayOfDateDayTwo
\def\ComputeMondayOfDate #1#2#3#4#5#6{%
#4 = #1\relax
#5 = #2\relax
#6 = #3\relax
\ArbitraryDayOfWeek{#4}{#5}{#6}{\@ComputeMondayOfDateDay}%
\ifnum\@ComputeMondayOfDateDay = \Sunday
\@ComputeMondayOfDateDay = 6
\else
\advance\@ComputeMondayOfDateDay by -1
\fi
\DoLoop{\@ComputeMondayOfDateDayTwo}
{\@ComputeMondayOfDateDay}{-1}{1}%
{\PrevDay{#4}{#5}{#6}{#4}{#5}{#6}}%
}
\catcode`\@ = 12
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