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% loadhyph-th.tex
%
% Loader for hyphenation patterns for "thai"
%
% Copyright 2008 TeX Users Group.
% You may freely use, modify and/or distribute this file.
% (But consider adapting the scripts if you need modifications.)
%
% Once it turns out that more than a simple definition is needed,
% these lines may be moved to a separate file.
%
\begingroup
\lccode`\'=`\'
\ifx\kanjiskip\undefined
% Test whether we received one or two arguments
\def\testengine#1#2!{\def\secondarg{#2}}
% That's Tau (as in Taco or ΤΕΧ, Tau-Epsilon-Chi), a 2-byte UTF-8 character
\testengine Τ!\relax
% Unicode-aware engine (such as XeTeX or LuaTeX) only sees a single (2-byte) argument
\ifx\secondarg\empty
    \message{UTF-8 Thai Hyphenation Patterns}
    \input hyph-th-utf8.tex
\else
    \message{LTH Thai Hyphenation Patterns}
    \input hyph-th.tex
\fi\else
    \message{Thai patterns not supported on ptex}
\fi
\endgroup