1 files changed, 52 insertions, 2 deletions
diff --git a/Master/texmf-dist/tex/xelatex/bidi/biditools.sty b/Master/texmf-dist/tex/xelatex/bidi/biditools.sty
index de54590f353..eebd3eb90df 100644
--- a/Master/texmf-dist/tex/xelatex/bidi/biditools.sty
+++ b/Master/texmf-dist/tex/xelatex/bidi/biditools.sty
@@ -17,7 +17,7 @@
 %%   by Vafa Khalighi.
 %% 
 %% 
-%% \CheckSum{44630}
+%% \CheckSum{44780}
 %% \CharacterTable
 %%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
 %%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
@@ -35,7 +35,7 @@
 %%   Right brace   \}     Tilde         \~}
 %%
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{biditools}[2015/06/29 v0.5 Programming tools for bidi package]
+\ProvidesPackage{biditools}[2015/10/03 v0.6 Programming tools for bidi package]
 \providecommand{\@bidi@saveprimitive}[2]{\begingroup\escapechar`\\\relax
   \edef\@tempa{\string#1}\edef\@tempb{\meaning#1}%
   \ifx\@tempa\@tempb \global\let#2#1%
@@ -48,6 +48,56 @@
     \fi
   \fi
   \endgroup}
+\newtoks\@bidi@envbody
+\newtoks\@bidi@emptytoks
+\def\bidi@addto@envbody#1{\global\@bidi@envbody\expandafter{\the\@bidi@envbody#1}}
+\def\bidi@collect@body#1{%
+  \@bidi@envbody{\expandafter#1\expandafter{\the\@bidi@envbody}}%
+  \edef\bidi@process@envbody{\the\@bidi@envbody\noexpand\end{\@currenvir}}%
+  \@bidi@envbody\@bidi@emptytoks \def\begin@bidi@stack{b}%
+  \begingroup
+  \expandafter\let\csname\@currenvir\endcsname\bidi@collect@@body
+  \edef\bidi@process@envbody{\expandafter\noexpand\csname\@currenvir\endcsname}%
+  \bidi@process@envbody
+}
+\def\bidi@push@begins#1\begin#2{%
+  \ifx\end#2\else b\expandafter\bidi@push@begins\fi
+}
+\def\bidi@collect@@body#1\end#2{%
+  \edef\begin@bidi@stack{\bidi@push@begins#1\begin\end \expandafter\@gobble\begin@bidi@stack}%
+  \ifx\@empty\begin@bidi@stack
+    \endgroup
+    \@checkend{#2}%
+    \bidi@addto@envbody{#1}%
+  \else
+    \bidi@addto@envbody{#1\end{#2}}%
+  \fi
+  \bidi@process@envbody % A little tricky! Note the grouping
+}
+\long\def\bidi@addto@long@envbody#1{\global\@bidi@envbody\expandafter{\the\@bidi@envbody#1}}
+\long\def\bidi@collect@long@body#1{%
+  \@bidi@envbody{\expandafter#1\expandafter{\the\@bidi@envbody}}%
+  \edef\bidi@process@envbody{\the\@bidi@envbody\noexpand\end{\@currenvir}}%
+  \@bidi@envbody\@bidi@emptytoks \def\begin@bidi@stack{b}%
+  \begingroup
+  \expandafter\let\csname\@currenvir\endcsname\bidi@collect@long@@body
+  \edef\bidi@process@envbody{\expandafter\noexpand\csname\@currenvir\endcsname}%
+  \bidi@process@envbody
+}
+\long\def\bidi@push@long@begins#1\begin#2{%
+  \ifx\end#2\else b\expandafter\bidi@push@long@begins\fi
+}
+\long\def\bidi@collect@long@@body#1\end#2{%
+  \edef\begin@bidi@stack{\bidi@push@long@begins#1\begin\end \expandafter\@gobble\begin@bidi@stack}%
+  \ifx\@empty\begin@bidi@stack
+    \endgroup
+    \@checkend{#2}%
+    \bidi@addto@long@envbody{#1}%
+  \else
+    \bidi@addto@long@envbody{#1\end{#2}}%
+  \fi
+  \bidi@process@envbody % A little tricky! Note the grouping
+}
 \def\@tagsextension{clo}
 \def\@definitionfileextension{def}
 \def\@iftagsloaded{\@ifl@aded\@tagsextension}