1 files changed, 54 insertions, 28 deletions
diff --git a/Master/texmf-dist/tex/latex/hyperref/backref.sty b/Master/texmf-dist/tex/latex/hyperref/backref.sty
index c553bfba9a3..53cee37f0a9 100644
--- a/Master/texmf-dist/tex/latex/hyperref/backref.sty
+++ b/Master/texmf-dist/tex/latex/hyperref/backref.sty
@@ -8,7 +8,7 @@
 %% 
 %% File: backref.dtx
 %% Copyright (C) 1995-2000 David Carlisle, Sebastian Rahtz, Heiko Oberdiek
-%%               2001-2010 Heiko Oberdiek
+%%               2001-2012 Heiko Oberdiek
 %%
 %% This file is part of the `Hyperref Bundle'.
 %% -------------------------------------------
@@ -29,32 +29,42 @@
 %% given in the file `manifest.txt'.
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{backref}
-  [2010/08/30 v1.36 Bibliographical back referencing]%
-\newif\ifBR@verbose
-\@ifundefined{ifHy@verbose}{%
-  \BR@verbosefalse
-}{%
-  \let\ifBR@verbose\ifHy@verbose
+  [2012/07/25 v1.38 Bibliographical back referencing]%
+\RequirePackage{kvoptions}[2011/06/30]
+\RequirePackage{kvsetkeys}[2009/07/30]
+\RequirePackage{ltxcmds}[2009/12/12]
+\SetupKeyvalOptions{%
+  family=backref,%
+  prefix=BR@,%
 }
-\DeclareOption{verbose}{\BR@verbosetrue}
+\newcommand*{\backrefsetup}{\kvsetkeys{backref}}
+\DeclareBoolOption[%
+  \ltx@ifundefined{ifHy@verbose}{%
+    false%
+  }{%
+    \ifx\ifHy@verbose\iftrue true\else false\fi
+  }%
+]{verbose}
 \long\def\page@backref#1#2#3{#1}
 \long\def\section@backref#1#2#3{#2}
 \long\def\hyper@section@backref#1#2#3{\hyperlink{#3}{#2}}
 \long\def\hyper@page@backref#1#2#3{\hyperlink{page.#1}{#1}}
-\DeclareOption{pageref}{%
+\DeclareVoidOption{pageref}{%
   \def\backref{\backrefpagesname\ }%
   \let\backrefxxx\page@backref
 }
-\DeclareOption{ref}{%
+\DeclareVoidOption{ref}{%
   \def\backref{\backrefsectionsname\ }%
   \let\backrefxxx\section@backref
 }
-\DeclareOption{hyperref}{%
+\DeclareVoidOption{hyperref}{%
   \def\backref{}\let\backrefxxx\hyper@section@backref
 }
-\DeclareOption{hyperpageref}{%
+\DeclareVoidOption{hyperpageref}{%
   \def\backref{}\let\backrefxxx\hyper@page@backref
 }
+\DeclareBoolOption[true]{enable}
+\DeclareComplementaryOption{disable}{enable}
 \def\backrefenglish{%
   \def\backrefpagesname{pages}%
   \def\backrefsectionsname{sections}%
@@ -118,7 +128,7 @@
         \errmessage{No definitions for language `#2' found!}%
       \noexpand\fi
       \endgroup
-      \noexpand\DeclareOption{#1}{%
+      \noexpand\DeclareVoidOption{#1}{%
         \noexpand\BR@addto{\noexpand##1}{\noexpand##2}%
       }%
     }%
@@ -147,8 +157,18 @@
 \BR@DeclareLang{brazilian}{brazil}
 \BR@DeclareLang{afrikaans}{afrikaans}
 \backrefenglish
-\ExecuteOptions{pageref}
-\ProcessOptions*\relax
+\backrefsetup{pageref}
+\ProcessKeyvalOptions*
+\def\BR@DisableOption#1{%
+  \DisableKeyvalOption[%
+    action=warning,%
+    package=backref,%
+  ]{backref}{#1}%
+}
+\BR@DisableOption{ref}
+\BR@DisableOption{pageref}
+\BR@DisableOption{hyperref}
+\BR@DisableOption{hyperpageref}
 \newif\ifbackrefparscan
 \backrefparscantrue
 \newif\ifBR@BackrefAlt
@@ -390,9 +410,6 @@
 }
 \def\BR@citex[#1]#2{%
   \BRorg@citex[{#1}]{#2}%
-  \ifBR@verbose
-    \PackageInfo{backref}{back cite \string`#2\string'}%
-  \fi
   \Hy@backout{#2}%
 }
 \@ifpackageloaded{chicago}{%
@@ -404,18 +421,27 @@
 }{}
 \def\Hy@backout#1{%
   \@bsphack
-  \ifx\@empty\@currentlabel
-    \protected@write\@auxout{}{%
-      \string\@writefile{brf}{%
-        \string\backcite{#1}{{\thepage}{(document)}{Doc-Start}}%
+  \ifBR@enable
+    \ifBR@verbose
+      \PackageInfo{backref}{Back cite \string`#1\string'}%
+    \fi
+    \ifx\@empty\@currentlabel
+      \protected@write\@auxout{}{%
+        \string\@writefile{brf}{%
+          \string\backcite{#1}{{\thepage}{(document)}{Doc-Start}}%
+        }%
       }%
-    }%
-  \else
-   \protected@write\@auxout{}{%
-     \string\@writefile{brf}{%
-       \string\backcite{#1}{{\thepage}{\@currentlabel}{\@currentHref}}%
+    \else
+     \protected@write\@auxout{}{%
+       \string\@writefile{brf}{%
+         \string\backcite{#1}{{\thepage}{\@currentlabel}{\@currentHref}}%
+       }%
      }%
-   }%
+    \fi
+  \else
+    \ifBR@verbose
+      \PackageInfo{backref}{Disabled back cite \string`#1\string'}%
+    \fi
   \fi
   \@esphack
 }