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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% arabaux.sty
% auxiliary macros for ArabTeX
% 27.04.2003
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% (c) Klaus Lagally
% Institut fuer Formale Methoden der Informatik
% Universitaet Stuttgart
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\a@ident {arabaux.sty} {3.11 auxiliary macros for ArabTeX} {21.05.2003}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \a@message #1{% ArabTeX message
\message{(ArabTeX) #1}}
\def \isfalse {\xxpa \iffalse \fi } % invert condition before \fi
\def \setiffalse {\xpa \iffalse \fi } % invert condition before \fi
\def \NOT #1{00\if #1\xpa \setiffalse \fi }
\def \AND #1#2{00\if #1\if #2\else \xxpa \setiffalse \fi
\else \xpa \setiffalse \fi }
\def \OR #1#2{00\if #1\else \if #2\else \xpa \setiffalse \fi \fi }
\def \isx #1#2{00\ifx #1#2\else\xpa \setiffalse \fi }
\def \iscat #1#2{00\ifcat #1#2\else\xpa \setiffalse \fi }
\def \is #1#2{00\if #1#2\else\xpa \setiffalse \fi }
\long\def \Return #1\fi {\fi #1}
\long\def \ReturnFi #1\fi {\fi #1}
\long\def \ReturnElseFi #1\else #2\fi {\fi #1}
\long\def \cond #1#2#3\fi {% call conditional
#1\ReturnElseFi {#2}\else \ReturnFi {#3}\fi }
%%%%%%%%%%%%%%%%%%%%
\def \@gobble #1{}
\let \protect \relax
\ifx \@\undefined \def \@{@}\fi
\ifx \nil \undefined \def \nil {NIL}\fi
\def \pdef #1{% define robust command
\edef #1{\nxp\protect \xpa\nxp\csname \xpa\@gobble\string #1 \endcsname }%
\xpa\def \csname \xpa\@gobble\string #1 \endcsname }
\def \a@extend #1#2{% extend command definition, no pars!
\xpa\gdef \xpa#1\xpa{#1#2}}
%%%%%%%%%%%%%%%%%%%%
% map token to action
% allow list of labels
\def \case #1\of #{%
\begingroup \tracingmacros 0
\def \l@@kup ##1#1##2##{\h@@d }%
\getc@se #1\of }
\def \getc@se #1\of #2#3\endcase {%
\doc@se #1#2\default {}\@end }
\def \doc@se #1#2\default #3#4\@end {%
\l@@kup #2#1{#3}\@end }
\def \h@@d #1#2\@end {\endgroup #1}
% evaluate map: sets \result
\def \evalcase #1\of #{%
\begingroup \tracingmacros 0
\def \l@@kup ##1#1##2##{\r@sult }%
\getc@se #1\of }
\def \r@sult #1#2\@end {\endgroup \def \result {#1}}
% apply function to map:
\def \apply #1\tocase #2\of #{%
\begingroup \tracingmacros 0
\def \l@@kup ##1#2##2##{\@pply {#1}}%
\getc@se #2\of }
\def \@pply #1#2#3\@end {\endgroup #1{#2}}
%%%%%%%%%%%%%%%%%%%%%%%% tracing control %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \tr@ceoff {% suspend temporarily, local, no nesting!
\edef \tr@ceon {\nxp\tracingmacros \the\tracingmacros }\tracingmacros 0 }
\def \notr@ce {% suspend temporarily, for NFSS only, no nesting!
\edef \dotr@ce {\nxp\tracingmacros \the\tracingmacros }\tracingmacros 0 }
\let \tr@ceon \relax \let \dotr@ce \relax
\let \a@setfontsize \@setfontsize
\def \@setfontsize #1#2#3{% do not trace NFSS routine
\notr@ce \a@setfontsize {#1}{#2}{#3}\dotr@ce }
%%%%%%%%%%%%%%%%%%%%%%%% list utilities %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\long\def \is@in@list #1#2>{00% #1 token, #2 list
\begingroup \tracingmacros 0
\def \l@@kup ##1#1##2\@ {\endgroup \ifx >##2\isfalse \fi }%
\l@@kup #2#1>\@ }
\long\def \ismember #1#2{00% #1 token, #2 list
\begingroup \tracingmacros 0
\def \l@@kup ##1#1##2\@@ {\endgroup \ifx \nil ##2\xpa \setiffalse \fi }%
\l@@kup #2#1\nil \@@ }
\long\def \is@in@set #1#2{% #1 = symbol, #2 = token list of symbols
\xpa \ismember \xpa #1\xpa {\the #2}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcount \hours \newcount \mins
\def \timeofday
{\hours \time \divide \hours 60 \the\hours:%
\mins \time \multiply \hours 60 \advance \mins -\hours
\ifnum 10 > \mins \relax 0\fi \the\mins }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\endinput
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% EOF %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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