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%%%%%%%%%%%%%%%%%%%%%%%%%%% asmo449.sty %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% asmo449.sty
% Scanner for ASMO 449 Code (ISO 9036) (table driven)
% to install it, include it as a LaTeX package or style option "asmo449"
% with Plain TeX, say "\input asmo449.sty"
% to activate it, say "\setcode {asmo449}" or "\setcode {iso9036}"
% 26.04.2003
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% (c) Klaus Lagally
% Institut fuer Formale Methoden der Informatik
% Universitaet Stuttgart
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifx \asmoatcode \undefined \else \expandafter \endinput
\fi % load only once
\chardef \asmoatcode = \catcode`\@ \catcode`\@ = 11
\a@ident {asmo449.sty} {3.11 ASMO449 input encoding (table)} {26.04.2003}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% dynamic definitions for Arabic
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\gdef \setasmo@codes {% activate and change some codes
\a@digits = {0123456789}%
\a@paren = {"'([}%
\a@first = {}%
}% end of dynamic definitions for Arabic
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \asmo@tbli {% ASMO re-encoding table
\\AQ|\\BQA\\CQa\\DQw\\EQi\\FQy\\GA\\Hb\\IT%
\\Jt\\KC\\LG\\MH\\NX\\Od\\PF\\Qr\\Rz%
\\Ss\\Tx\\US\\VD\\WV\\XZ\\YP\\ZR%
\\af\\bq\\ck\\dl\\em\\fn\\gh\\hw\\iY%
\\jy\\k"aN\\l"uN\\m"iN\\n"a\\o"u\\p"i\\q@\\r""%
\\s@\\t@\\u@\\v@\\w@\\x@\\y@\\z@\\`B\\@@}
\def \asmo@tblii {% shadda + harakaat
\\q\\sk\\tl\\um\\vn\\wo\\xp}
\def \asmo@tbliii {% medial special characters
\\\@\sc@endscan\\-\asmo@minus\\"\asmo@rquote}
\def \asmo@tbliv {% initial special characters
\\\@\sc@endscan\\G\asmo@alif\\"\asmo@lquote\\'\asmo@lquote}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newif \ifa@quote
\def \asmo@beg #1#2{% start ASMO 449 scanner
\h@mzafalse \iz@fetfalse \novocalize % because of explicit quoting
\@ssimfalse
\def \next {\asmo@word #1#2}%
\def \l@@kup ##1\\#1##2\\##3\@@ {% look for special chars
\ifx *##2\relax\xpa\xpa\xpa\iffalse\fi\fi % not found; else
\def \next {##2#2}}%
\iftrue \xpa \l@@kup \asmo@tbliv \\#1*\\\@@ \else
\ifx #1/\global \a@tokens ={#1}\def \next {\asmo@word #2}% /x
\fi\fi \next }
{\catcode `\^ 7 \catcode `\^^M=13
\gdef \asmo@word #1#2{% transform input into internal notation
\def \l@@kup ##1\\#1##2\\##3\@@ {% look for special chars
\ifx *##2\relax\xpa\xpa\xpa\iffalse\fi\fi %
\def \next {##2#2}}%
\iftrue \xpa \l@@kup \asmo@tbliii \\#1*\\\@@ \else %
\ifx #1/\def \next {\sc@back #1#2}\else %
\if \nxp ^^M\nxp #1\def \next {\asmo@par #2}\else %
\ifx #1#2\def \next {\asmo@word #1-#2}\else %
\def \l@@kup ##1\\#1##2\\##3\@@ {% reencode char
\def \sc@char {##2}}%
\xpa \l@@kup \asmo@tbli \\#1\nxp #1\\\@@ % reencode
\sc@put %
\def \l@@kup ##1\\#2##2\\##3\@@ {% look for shadda variants
\ifx *##2\relax\def \next {\asmo@word #2}%
\else \def \next {\asmo@word #1##2}\fi }%
\xpa \l@@kup \asmo@tblii \\#2*\\\@@ % double 1st char
\fi\fi\fi\fi \next }%
} % catcode 13
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \asmo@alif {% alif at the beginning of a word
\def \sc@char {a}\sc@put \asmo@word }
\def \asmo@minus {% hyphen between words
\def \sc@char {-}\sc@put \asmo@beg }
\def \asmo@lquote {% left quote
\ifa@quote \def \sc@char {'}\global\a@quotefalse
\else \def \sc@char {`}\global\a@quotetrue
\fi
\sc@put \asmo@beg }
\def \asmo@rquote {% right quote
\global\a@quotefalse
\def \sc@char {'}\sc@put \asmo@word }
\def \asmo@par #1\@ \@@ {% new line, push back the rest
\sc@back \\#1\@ \@@ }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \set@asmo {% select the ASMO 449 scanner
\let \sc@beg \asmo@beg \let \sc@word \asmo@word
\let \sc@back \sc@@back \let \sc@endscan \sc@@endscan
\global\let \a@scan \a@@scan \setasmo@codes \a@quotefalse
\a@message {input encoding set to ASMO 449 (ISO 9036) conventions}}
\xpa \def \xpa \sc@table \xpa {\sc@table % add the ASMO449 encoding
asmo449\set@asmo iso9036\set@asmo }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\a@message {scanner for code ASMO 449 (ISO 9036) installed.}
\catcode `\@ = \asmoatcode
\endinput
%%%%%%%%%%%%%%%%%%%%%%%% EOF %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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