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diff --git a/Master/texmf-dist/tex/latex/bidi/empheq-xetex-bidi.def b/Master/texmf-dist/tex/latex/bidi/empheq-xetex-bidi.def
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+++ b/Master/texmf-dist/tex/latex/bidi/empheq-xetex-bidi.def
@@ -0,0 +1,67 @@
+%%
+%% This is file `empheq-xetex-bidi.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% bidi.dtx  (with options: `empheq-xetex-bidi.def')
+%% 
+%%   ______________________________________
+%%   Copyright © 2009–2011  Vafa Khalighi
+%% 
+%%   License information appended.
+%% 
+%% 
+\ProvidesFile{empheq-xetex-bidi.def}[2011/03/01 v0.1 bidi adaptations for empheq package for XeTeX engine]
+\MHInternalSyntaxOn
+\AtBeginDocument{%
+  \@ifpackageloaded{fancybox}{%
+    \@ifpackageloaded{color}{\definecolor{shadowcolor}{rgb}{0,0,0}}%
+    {\renewcommand*\textcolor[2]{\normalcolor{#2}}}%
+    \renewcommand*\shadowbox{%
+      \@ifstar{\MH_set_boolean_T:n {shadowbox_star}
+               \VerbBox\EQ_shadowbox:n}
+              {\MH_set_boolean_F:n {shadowbox_star}
+               \VerbBox\EQ_shadowbox:n}}
+    \def\EQ_shadowbox:n #1{%
+      \sbox{\z@}{\fbox{#1}}%
+      \MH_if_boolean:nTF {shadowbox_star}{
+        \MH_setlength:dn \@tempdima{\z@}%
+      }{
+        \MH_setlength:dn \@tempdima{\dp\z@+\shadowsize}%
+      }
+      \raisebox{\@tempdima}{%
+      \if@RTL\makebox[\z@][r]{%
+          \kern\shadowsize \textcolor{shadowcolor}{%
+            \rule[-\dp\z@-\shadowsize]{\wd\z@}{\shadowsize}}%
+        }\else%
+        \makebox[\z@][l]{%
+          \kern\shadowsize \textcolor{shadowcolor}{%
+            \rule[-\dp\z@-\shadowsize]{\wd\z@}{\shadowsize}}%
+        }\fi%
+        \usebox\z@\textcolor{shadowcolor}{%
+          \rule[-\dp\z@-\shadowsize]{\shadowsize}{\ht\z@+\dp\z@}}}}%
+  }{}%
+}
+\renewenvironment{EmphEqMainEnv}{\@RTLfalse\collect@body\EQ_getbody:n}{%
+  \if_num:w \l_EQ_equationtype_int=\z@ %ZeroCheckpoint
+    \EQ_upgrade_error:
+  \else:
+    \EQ_post_process:
+    \ignorespacesafterend
+  \fi:}
+\MHInternalSyntaxOff
+%% 
+%% Copyright © 2009–2011  Vafa Khalighi <vafakhlgh@gmail.com>
+%% 
+%% It may be distributed and/or modified under the LaTeX Project Public License,
+%% version 1.3c or higher (your choice). The latest version of
+%% this license is at: http://www.latex-project.org/lppl.txt
+%% 
+%% This work is “author-maintained” (as per LPPL maintenance status)
+%% by Vafa Khalighi.
+%% 
+%% 
+%% 
+%%
+%% End of file `empheq-xetex-bidi.def'.