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diff --git a/macros/latex/contrib/ucs/utf8x.def b/macros/latex/contrib/ucs/utf8x.def
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--- a/macros/latex/contrib/ucs/utf8x.def
+++ /dev/null
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-%%
-%% This is file `utf8x.def',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% ucs.dtx (with options: `utf8x.def')
-%%
-%% Copyright 2001 Dominique Unruh <unruh@ut.ee>
-%% Copyright 2013 Wolfgang Jeltsch <wolfgang@cs.ioc.ee>
-%%
-%% This program is provided under the terms of the LaTeX Project Public License with some
-%% modifications. See the file LICENSE for information.
-%%
-\ifx\ProvidesFile\undefined\else
-\ProvidesFile{utf8x.def}[2004/10/17 UCS: Input encoding UTF-8]%
-\fi
-\expandafter\ifx\csname restore@utf@viii@actives\endcsname\relax\else
- \csname restore@utf@viii@actives\endcsname\expandafter\endinput\fi
-\count255=\catcode`\@\catcode`\@11 %SPACE
-\ifx\@gobble\undefined\def\@gobble#1{}\fi
-\ifx\@gobbletwo\undefined\def\@gobbletwo#1#2{}\fi
-\ifx\AtBeginDocument\undefined\else
- \ifx\@nodocument\relax\else\expandafter\AtBeginDocument\fi
- {\ifx\unichar\undefined{\PackageError{utf8x}{%
- Please use \protect\usepackage{ucs} to support encoding utf8x}{}}\fi}%
-\fi
-\ifx\AtEndOfPackage\undefined\else
-\ifx\@nodocument\relax\else\AtEndOfPackage{\RequirePackage{ucs}}\fi%
-\fi
-\def\utf@viii@err#1{%
- \PackageError{utf8x}{Character \number#1 \uc@spc appeared alone}{%
- Characters 128-191 are only allowed as arguments to characters 194-244}}
-\def\utf@viii@xnum#1#2\utf@viii@err#3#4\@nil{%
- \ifx\empty#3%
- \count#1=-1\relax
- \PackageError{utf8x}{Malformed UTF-8 sequence}{%
- If the character is an argument, put it in {}}\else
- \count#1=#3\fi}
-\def\utf@viii@undef#1#2#3#4{%
- \begingroup
- \count0=#1\relax
- \ifx#3\@nil % Two-byte sequences
- \expandafter\utf@viii@xnum\expandafter1#2\empty\empty\empty\empty\empty\empty\empty\empty\empty\utf@viii@err\empty\@nil
- \ifnum\count1=-1 \count0=192\count1="1007D\fi
- \multiply\count0by64\relax
- \advance\count0by\count1\relax
- \advance\count0by-12416\relax
- \else
- \ifx#4\@nil % Three-byte sequences
- \expandafter\utf@viii@xnum\expandafter1#2\empty\empty\empty\empty\empty\empty\empty\empty\empty\utf@viii@err\empty\@nil
- \expandafter\utf@viii@xnum\expandafter2#3\empty\empty\empty\empty\empty\empty\empty\empty\empty\utf@viii@err\empty\@nil
- \ifnum\count1=-1 \count0=224\count1=128\count2="1007D\fi
- \ifnum\count2=-1 \count0=224\count1=128\count2="1007D\fi
- \multiply\count0by64\relax
- \advance\count0by\count1\relax
- \multiply\count0by64\relax
- \advance\count0by\count2\relax
- \advance\count0by-925824\relax
- \else % Four-byte sequences
- \expandafter\utf@viii@xnum\expandafter1#2\empty\empty\empty\empty\empty\empty\empty\empty\empty\utf@viii@err\empty\@nil
- \expandafter\utf@viii@xnum\expandafter2#3\empty\empty\empty\empty\empty\empty\empty\empty\empty\utf@viii@err\empty\@nil
- \expandafter\utf@viii@xnum\expandafter3#4\empty\empty\empty\empty\empty\empty\empty\empty\empty\utf@viii@err\empty\@nil
- \ifnum\count1=-1 \count0=240\count1=128\count2=128\count3="1007D\fi
- \ifnum\count2=-1 \count0=240\count1=128\count2=128\count3="1007D\fi
- \ifnum\count3=-1 \count0=240\count1=128\count2=128\count3="1007D\fi
- \multiply\count0by64%
- \advance\count0by\count1%
- \multiply\count0by64%
- \advance\count0by\count2%
- \multiply\count0by64%
- \advance\count0by\count3%
- \advance\count0by-"3C82080\relax
- \fi\fi
- \begingroup\expandafter\utf@viii@map\expandafter{\number\count0}\endgroup
- \expandafter\endgroup
- \expandafter\unichar\expandafter{\number\count0}}%
-\def\utf@viii@make#1#2#3#4#5#6{%
- \count255=#1\relax
- \loop\ifnum\count255<#2\relax
- \catcode\count255\active
- \begingroup
- \uccode`\~\count255%
- \uccode`\u`\u%
- \uppercase{%
- \endgroup
- \edef~%
- #3{\noexpand\expandafter\noexpand\ifx\noexpand\csname u8-\number\count255-#4\noexpand\endcsname\relax
- \begingroup
- \let\noexpand\utf@viii@undeferr
- \noexpand\@gobble\noexpand\empty\noexpand\empty
- \noexpand\empty\noexpand\empty\noexpand\@gobbletwo\relax\relax
- % ===
- \noexpand\expandafter\endgroup
- % If \let not executed: \utf@viii@undeferr is called
- % otherwise: \utf@viii@undef.
- \noexpand\utf@viii@undeferr{\noexpand\string\noexpand~\noexpand\string#6}%
- \noexpand\utf@viii@undef{\number\count255}#5%
- \noexpand\else
- \noexpand\expandafter\noexpand\unichar\noexpand\expandafter{%
- \noexpand\csname u8-\number\count255-#4\noexpand\endcsname}\noexpand\fi}}%
- \advance\count255by1\relax
- \repeat}%
-\def\restore@utf@viii@actives{%
- \let\@inpenc@test\relax
- \utf@viii@make{194}{224}{####1}{\noexpand\string####1}{{####1}\noexpand\@nil\noexpand\@nil}{####1}%
- \utf@viii@make{224}{240}{####1####2}{\noexpand\string####1\noexpand\string####2}{{####1}{####2}\noexpand\@nil}{####1\noexpand\string####2}%
- \utf@viii@make{240}{245}{####1####2####3}{\noexpand\string####1\noexpand\string####2\noexpand\string####3}{{####1}{####2}{####3}}{####1\noexpand\string####2\noexpand\string####3}%
- \count255=128\relax
- \loop\ifnum\count255<192\relax
- \catcode\count255\active
- \begingroup
- \uccode`\~\count255 %SPACE
- \uppercase{%
- \endgroup
- \edef~}%
- {\noexpand\utf@viii@err{\number\count255}}%
- \advance\count255by1\relax
- \repeat}%
-\def\utf@viii@map#1{%
- \begingroup
- \count0=#1\divide\count0by64\relax
- \ifnum#1<"80\relax
- % ASCII is not handled by utf8x.def
- \else\ifnum#1<"800\relax
- \count1=-\count0\multiply\count1by64\advance\count1by#1\relax
- \advance\count0by192\advance\count1by128\relax
- \begingroup
- \lccode`\B=\count1 %SPACE
- \lowercase{%
- \endgroup
- \expandafter\gdef\csname u8-\number\count0-B\endcsname}{#1}%
- \else\ifnum#1<"10000\relax
- \count2=-\count0\multiply\count2by64\advance\count2by#1\relax
- \divide\count0by64 %SPACE
- \count1=-\count0\multiply\count1by4096\advance\count1by#1%
- \divide\count1by64%
- \advance\count0by224\advance\count1by128\advance\count2by128 %SPACE
- \begingroup
- \lccode`\B=\count1 %SPACE
- \lccode`\C=\count2 %SPACE
- \lowercase{%
- \endgroup
- \expandafter\gdef\csname u8-\number\count0-BC\endcsname}{#1}%
- \else\ifnum#1<"110000 %SPACE
- \count3=-\count0\multiply\count3by64\advance\count3by#1\relax
- \divide\count0by64 %SPACE
- \count2=-\count0\multiply\count2by4096\advance\count2by#1%
- \divide\count2by64%
- \divide\count0by64 %SPACE
- \count1=-\count0\multiply\count1by262144\advance\count1by#1%
- \divide\count1by4096 %SPACE
- \advance\count0by240\advance\count1by128%
- \advance\count2by128\advance\count3by128 %SPACE
- \begingroup
- \lccode`\B=\count1 %SPACE
- \lccode`\C=\count2 %SPACE
- \lccode`\D=\count3 %SPACE
- \lowercase{%
- \endgroup
- \expandafter\gdef\csname u8-\number\count0-BCD\endcsname}{#1}%
- \else
- \PackageWarning{utf8x}{Invalid code position \number#1 \uc@spc
- defined,\MessageBreak unrepresentable in UTF-8}%
- \fi\fi\fi\fi
- \endgroup
-}
-\begingroup
- \lccode`\A=`\{\lccode`\B=`\}\lccode`\C=`\\%
- \lccode`\P=`\P\lccode`\U=`\U%
- \lowercase{%
-\endgroup
- \def\utf@viii@undeferr#1#2#3#4#5#6{%
- \ifx\@gobble#1\else[Please insert CPrerenderUnicodeA#1B into preamble]\fi}}
-\ifx\AtBeginDocument\undefined\else
- \ifx\@nodocument\relax\else
- \AtBeginDocument{%
- \begingroup
- \expandafter\def\expandafter\temp@a\expandafter#\expandafter1%
- \string\utf@viii@#2\@nil{%
- \ifx\@nil#2\@nil\count2\count0\else\count1\count0\fi}%
- \count0=128 \count1=0 \count2=0 %SPACE
- \loop\ifnum\count0<245 %SPACE
- \ifnum\count0=192 \advance\count0by2 \fi
- \lccode`\~\count0 %SPACE
- \ifnum\catcode\count0=13 %SPACE
- \lowercase{%
- \expandafter\expandafter\expandafter\temp@a\expandafter\meaning\expandafter~%
- \string\utf@viii@\@nil}%
- \else
- \count2\count0\fi
- \advance\count0by1 %SPACE
- \repeat
- \ifnum\count1=0 \else\ifnum\count2=0 \else
- \PackageWarning{utf8x.def}{Character(s) \number\count2\space\space
- etc. got redefined somewhere.\MessageBreak
- Restoring to its utf8x-meaning}%
- \aftergroup\restore@utf@viii@actives
- \fi\fi
- \endgroup}%
- \fi
-\fi
-\catcode`\@=\count255\relax
-\csname restore@utf@viii@actives\endcsname