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diff --git a/Master/texmf-dist/tex/generic/tex4ht/xr.4ht b/Master/texmf-dist/tex/generic/tex4ht/xr.4ht
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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% xr.4ht                                2005-10-23-04:19 %
+% Copyright (C) 1997--2005       Eitan M. Gurari         %
+%                                                        %
+% This work may be distributed and/or modified under the %
+% conditions of the LaTeX Project Public License, either %
+% version 1.3 of this license or (at your option) any    %
+% later version. The latest version of this license is   %
+% in                                                     %
+%   http://www.latex-project.org/lppl.txt                %
+% and version 1.3 or later is part of all distributions  %
+% of LaTeX version 2003/12/01 or later.                  %
+%                                                        %
+% This work has the LPPL maintenance status "maintained".%
+%                                                        %
+% This Current Maintainer of this work                   %
+% is Eitan M. Gurari.                                    %
+%                                                        %
+% If you modify this program your changing its signature %
+% with a directive of the following form will be         %
+% appreciated.                                           %
+%            \message{signature}                         %
+%                                                        %
+%                             gurari@cse.ohio-state.edu  %
+%                 http://www.cse.ohio-state.edu/~gurari  %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\immediate\write-1{version 2005-10-23-04:19}
+
+   \let\XR:loop=\XR@loop
+\def\XR@loop#1{%
+   \def\:temp##1.aux{\openin15=##1.xref
+\ifeof15
+   \:warning{missing ##1.xref for ##1.aux}%
+   \let\:temp\empty
+\else
+   \def\:temp{\input ##1.xref}%
+\fi
+\closein15  \:temp
+}%
+   \catcode`\:=11
+     \expandafter\ifx \csname xr:CrossWord\endcsname\relax
+  \let\xr:CrossWord=\Cross:Word
+  \def\Cross:Word##1##2{%
+     \expandafter\let\csname  cw:\cw:format{##1##2}\endcsname\:UnDef
+     \xr:CrossWord{##1}{##2}}%
+\fi
+%
+     \:temp#1%
+   \catcode`\:=12
+   \XR:loop{#1}%
+}
+\def\XRrEfLiNK[#1]#2#3{\a:xr[#1]{#2}{}%
+   \ifx\hyperrefLabel\:UnDef #3\else \hyperrefLabel\fi \b:xr}
+\NewConfigure{xr}{2}
+\Configure{xr}{\Link}{\EndLink}
+\def\XR:rEfLiNK#1#2{{\xr:rEfLiNK#1}{\xr:rEfLiNK#2}}
+\def\xr:rEfLiNK#1#2{\noexpand\XRrEfLiNK[\Get:HFile#2-]{#2}}
+\def\Get:HFile#1-#2-{\:LikeRef{)F\:gobble #1F-}}
+\long\def\XR@test#1#2#3#4\XR@{%
+  \ifx#1\newlabel
+     \expandafter\xdef\csname r@\XR@prefix#2\endcsname{\XR:rEfLiNK #3}%
+%
+  \else\ifx#1\@input
+     \edef\XR@list{\XR@list#2\relax}%
+  \fi\fi
+  \ifeof\@inputcheck\expandafter\XR@aux
+  \else\expandafter\XR@read\fi}
+
+\Hinput{xr}
+\endinput
+