hyperref (10apr11)

git-svn-id: svn://tug.org/texlive/trunk@22039 c570f23f-e606-0410-a88d-b1316a301751

20 files changed, 228 insertions, 199 deletions

diff --git a/Master/texmf-dist/tex/latex/hyperref/hdvipdfm.def b/Master/texmf-dist/tex/latex/hyperref/hdvipdfm.def
index 2c5bcd271ef..4744539816f 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hdvipdfm.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hdvipdfm.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hdvipdfm.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for dvipdfm]
 \Hy@VersionCheck{hdvipdfm.def}
 \def\Hy@PutCatalog#1{\@pdfm@mark{docview << #1 >>}}
@@ -86,7 +86,7 @@
       |ifx|\#2|\%%
       |else
         \\%
-        |Hy@ReturnAfterFi{%
+        |ltx@ReturnAfterFi{%
           |Hy@ExchangeBackslash#2|@nil
         }%
       |fi
@@ -97,7 +97,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar(%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeLeftParenthesis#2\@nil
       }%
     \fi
@@ -107,7 +107,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar)%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeRightParenthesis#2\@nil
       }%
     \fi
@@ -360,7 +360,7 @@
 }
 \def\hyper@linkend{\Hy@EndAnnot}%
 \def\hyper@link#1#2#3{%
-  \hyper@linkstart{#1}{#2}#3\hyper@linkend
+  \hyper@linkstart{#1}{#2}#3\Hy@xspace@end\hyper@linkend
 }
 \def\hyper@linkfile#1#2#3{%
   \leavevmode
@@ -396,7 +396,7 @@
     }%
     \Hy@colorlink\@filecolor
   }%
-  #1%
+  #1\Hy@xspace@end
   \Hy@EndAnnot
 }
 \def\@hyper@launch run:#1\\#2#3{% filename, anchor text linkname
@@ -428,7 +428,7 @@
     }%
     \Hy@colorlink\@runcolor
   }%
-  #2%
+  #2\Hy@xspace@end
   \Hy@EndAnnot
 }
 \def\hyper@linkurl#1#2{%
@@ -457,7 +457,7 @@
     }%
     \Hy@colorlink\@urlcolor
   }%
-  #1%
+  #1\Hy@xspace@end
   \Hy@EndAnnot
 }
 \def\Acrobatmenu#1#2{%
@@ -482,7 +482,7 @@
       }%
       \Hy@colorlink\@menucolor
     }%
-    #2%
+    #2\Hy@xspace@end
     \Hy@EndAnnot
   }%
 }
@@ -644,7 +644,7 @@
   }%
   \@pdfm@mark{put @catalog <</AcroForm @aform>>}%
 }
-\def\@endForm{}
+\let\@endForm\ltx@empty
 \def\dvipdfm@setdim{%
   height \the\ht\pdfm@box\space
   width  \the\wd\pdfm@box\space
@@ -660,7 +660,7 @@
 }
 \def\@TextField[#1]#2{% parameters, label
   \def\Fld@name{#2}%
-  \def\Fld@default{}%
+  \let\Fld@default\ltx@empty
   \let\Fld@value\@empty
   \def\Fld@width{\DefaultWidthofText}%
   \def\Fld@height{%
@@ -1009,7 +1009,7 @@
     \else
       \expandafter
       \Hy@pstringdef\csname Hy@esc@\string#2\endcsname{#2}%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@@escapeform#3\@nil
       }%
     \fi
diff --git a/Master/texmf-dist/tex/latex/hyperref/hdvips.def b/Master/texmf-dist/tex/latex/hyperref/hdvips.def
index 5a8a9ddd59a..9ba8fac5577 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hdvips.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hdvips.def
@@ -29,11 +29,11 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hdvips.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for dvips]
 \Hy@VersionCheck{hdvips.def}
 \providecommand*{\XR@ext}{pdf}
-\def\Hy@raisedlink{}
+\let\Hy@raisedlink\ltx@empty
 \def\literalps@out#1{\special{ps:SDict begin #1 end}}%
 \def\headerps@out#1{\special{! #1}}%
 \input{pdfmark.def}%
diff --git a/Master/texmf-dist/tex/latex/hyperref/hdvipson.def b/Master/texmf-dist/tex/latex/hyperref/hdvipson.def
index 68c9c5e86a7..7ef5ef41d8a 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hdvipson.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hdvipson.def
@@ -29,11 +29,11 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hdvipson.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for dvipsone]
 \Hy@VersionCheck{hdvipson.def}
 \providecommand*{\XR@ext}{pdf}
-\def\Hy@raisedlink{}
+\let\Hy@raisedlink\ltx@empty
 \providecommand*\@pdfborder{0 0 1}
 \providecommand*\@pdfborderstyle{}
 \def\literalps@out#1{\special{ps:#1}}%
diff --git a/Master/texmf-dist/tex/latex/hyperref/hdviwind.def b/Master/texmf-dist/tex/latex/hyperref/hdviwind.def
index 58ca5022ac0..21bdc591735 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hdviwind.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hdviwind.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hdviwind.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for dviwindo]
 \Hy@VersionCheck{hdviwind.def}
 \begingroup
@@ -106,7 +106,7 @@
       |ifx|\#2|\%%
       |else
         \\%
-        |Hy@ReturnAfterFi{%
+        |ltx@ReturnAfterFi{%
           |Hy@ExchangeBackslash#2|@nil
         }%
       |fi
@@ -117,7 +117,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar(%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeLeftParenthesis#2\@nil
       }%
     \fi
@@ -127,7 +127,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar)%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeRightParenthesis#2\@nil
       }%
     \fi
@@ -194,7 +194,7 @@
       }%
       \expandafter\Hy@colorlink\csname @#1color\endcsname
       \Hy@RestoreSpaceFactor
-      #3%
+      #3\Hy@xspace@end
       \Hy@SaveSpaceFactor
       \Hy@endcolorlink
     }%
@@ -209,7 +209,7 @@
       #2%
     }%
     \expandafter\Hy@colorlink\csname @#1color\endcsname
-    #3%
+    #3\Hy@xspace@end
     \Hy@endcolorlink
   \fi
 }
@@ -232,7 +232,7 @@
         }%
         \Hy@colorlink\@urlcolor
           \Hy@RestoreSpaceFactor
-          #1%
+          #1\Hy@xspace@end
           \Hy@SaveSpaceFactor
         \Hy@endcolorlink
       }%
@@ -247,7 +247,9 @@
         launch: \wwwbrowser\space
         #2%
       }%
-      \Hy@colorlink\@urlcolor#1\Hy@endcolorlink
+      \Hy@colorlink\@urlcolor
+        #1\Hy@xspace@end
+      \Hy@endcolorlink
     \fi
   \endgroup
 }
@@ -270,7 +272,7 @@
         }%
         \Hy@colorlink\@filecolor
           \Hy@RestoreSpaceFactor
-          #1%
+          #1\Hy@xspace@end
           \Hy@SaveSpaceFactor
         \Hy@endcolorlink
       }%
@@ -285,7 +287,9 @@
         #3,%
         file: #2%
       }%
-      \Hy@colorlink\@filecolor#1\Hy@endcolorlink
+      \Hy@colorlink\@filecolor
+        #1\Hy@xspace@end
+      \Hy@endcolorlink
     \fi
   \endgroup
 }
@@ -497,13 +501,13 @@
     \ifmmode
       \def\Hy@LinkMath{$}%
     \else
-      \def\Hy@LinkMath{}%
+      \let\Hy@LinkMath\ltx@empty
     \fi
     \ifHy@breaklinks
       \Hy@setouterhbox\pdf@box{%
         \Hy@RestoreSpaceFactor
         \Hy@LinkMath
-        \Hy@AllowHyphens#1%
+        \Hy@AllowHyphens#1\Hy@xspace@end
         \Hy@LinkMath
         \Hy@SaveSpaceFactor
       }%
@@ -511,7 +515,7 @@
       \sbox\pdf@box{%
         \Hy@RestoreSpaceFactor
         \Hy@LinkMath
-        #1%
+        #1\Hy@xspace@end
         \Hy@LinkMath
         \Hy@SaveSpaceFactor
       }%
diff --git a/Master/texmf-dist/tex/latex/hyperref/hpdftex.def b/Master/texmf-dist/tex/latex/hyperref/hpdftex.def
index 96e3bba835d..a7d79667150 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hpdftex.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hpdftex.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hpdftex.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for pdfTeX]
 \Hy@VersionCheck{hpdftex.def}
 \pdf@ifdraftmode{%
@@ -72,7 +72,7 @@
       |ifx|\#2|\%%
       |else
         \\%
-        |Hy@ReturnAfterFi{%
+        |ltx@ReturnAfterFi{%
           |Hy@ExchangeBackslash#2|@nil
         }%
       |fi
@@ -83,7 +83,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar(%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeLeftParenthesis#2\@nil
       }%
     \fi
@@ -93,7 +93,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar)%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeRightParenthesis#2\@nil
       }%
     \fi
@@ -345,7 +345,7 @@
   }{%
     \edef\CurrentBorderColor{\csname @#1bordercolor\endcsname}%
   }%
-  \find@pdflink{#1}{#2}#3%
+  \find@pdflink{#1}{#2}#3\Hy@xspace@end
   \close@pdflink
 }
 \let\CurrentBorderColor\@linkbordercolor
@@ -380,7 +380,7 @@
        >>%
       }%
       \relax
-    \Hy@colorlink\@urlcolor#1%
+    \Hy@colorlink\@urlcolor#1\Hy@xspace@end
     \close@pdflink
   \endgroup
 }
@@ -420,7 +420,7 @@
         >>%
       }%
       \relax
-    \Hy@colorlink\@filecolor#1%
+    \Hy@colorlink\@filecolor#1\Hy@xspace@end
     \close@pdflink
   \endgroup
 }
@@ -456,7 +456,7 @@
         >>%
       }%
       \relax
-    \Hy@colorlink\@runcolor#2%
+    \Hy@colorlink\@runcolor#2\Hy@xspace@end
     \close@pdflink
   \endgroup
 }
@@ -798,7 +798,7 @@
     \the\pdflastxform\space 0 R%
   }%
 }%
-\def\HyField@afields{}
+\let\HyField@afields\ltx@empty
 \begingroup\expandafter\expandafter\expandafter\endgroup
 \expandafter\ifx\csname pdflastlink\endcsname\relax
   \let\HyField@AddToFields\relax
@@ -810,7 +810,7 @@
     but other PDF viewers might complain%
   }%
 \else
-  \def\HyField@AuxAddToFields#1{}%
+  \let\HyField@AuxAddToFields\ltx@gobble
   \def\HyField@AfterAuxOpen{\Hy@AtBeginDocument}%
   \Hy@AtBeginDocument{%
     \if@filesw
@@ -895,10 +895,10 @@
     \fbox{\textcolor{yellow}{\textsf{SubmitP}}}%
   }{SubmitP}%
 }
-\def\@endForm{}
+\let\@endForm\ltx@empty
 \def\@TextField[#1]#2{% parameters, label
   \def\Fld@name{#2}%
-  \def\Fld@default{}%
+  \let\Fld@default\ltx@empty
   \let\Fld@value\@empty
   \def\Fld@width{\DefaultWidthofText}%
   \def\Fld@height{%
@@ -1208,7 +1208,7 @@
     \else
       \expandafter
       \Hy@pstringdef\csname Hy@esc@\string#2\endcsname{#2}%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@@escapeform#3\@nil
       }%
     \fi
diff --git a/Master/texmf-dist/tex/latex/hyperref/htex4ht.cfg b/Master/texmf-dist/tex/latex/hyperref/htex4ht.cfg
index 21d0356846b..ab4b37594ae 100644
--- a/Master/texmf-dist/tex/latex/hyperref/htex4ht.cfg
+++ b/Master/texmf-dist/tex/latex/hyperref/htex4ht.cfg
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{htex4ht.cfg}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref configuration file for TeX4ht]
 \IfFileExists{\jobname.cfg}{\endinput}{}
 \Preamble{html}
diff --git a/Master/texmf-dist/tex/latex/hyperref/htex4ht.def b/Master/texmf-dist/tex/latex/hyperref/htex4ht.def
index 779f327b4a0..83987c5499f 100644
--- a/Master/texmf-dist/tex/latex/hyperref/htex4ht.def
+++ b/Master/texmf-dist/tex/latex/hyperref/htex4ht.def
@@ -29,18 +29,18 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{htex4ht.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for TeX4ht]
 \Hy@VersionCheck{htex4ht.def}
 \providecommand*{\XR@ext}{html}
-\def\Hy@raisedlink{}
+\let\Hy@raisedlink\ltx@empty
 \@ifpackageloaded{tex4ht}{%
   \Hy@InfoNoLine{tex4ht is already loaded}%
 }{%
   \RequirePackage[htex4ht]{tex4ht}%
 }
 \hyperlinkfileprefix{}
-\def\PDF@FinishDoc{}
+\let\PDF@FinishDoc\ltx@empty
 \def\PDF@SetupDoc{%
   \ifx\@baseurl\@empty
   \else
@@ -115,7 +115,7 @@
     }%
     \Hy@colorlink\@urlcolor
       \Hy@RestoreSpaceFactor
-      #1%
+      #1\Hy@xspace@end
       \Hy@SaveSpaceFactor
     \Hy@endcolorlink
     \@linkdim\ht\@tempboxa
@@ -126,7 +126,9 @@
    \begingroup
      \hyper@chars
      \special{t4ht=<a href=\hyper@quote#2\hyper@quote>}%
-     \Hy@colorlink\@urlcolor#1\Hy@endcolorlink
+     \Hy@colorlink\@urlcolor
+       #1\Hy@xspace@end
+     \Hy@endcolorlink
      \special{t4ht=</a>}%
    \endgroup
  \fi
@@ -145,7 +147,7 @@
 \ifx \rEfLiNK \UnDef
   \def\rEfLiNK #1#2{#2}%
 \fi
-\def\backref#1{}
+\let\backref\ltx@gobble
 \AtBeginDocument{%
   \expandafter\let\expandafter\Hy@OrgMakeLabel\csname Make:Label\endcsname
   \expandafter\def\csname Make:Label\endcsname#1#2{%
@@ -156,7 +158,7 @@
     \fi
     \Hy@OrgMakeLabel{#1}{%
       \Hy@RestoreSpaceFactor
-      #2%
+      #2\Hy@xspace@end%
       \Hy@SaveSpaceFactor
     }%
     \Hy@RestoreSpaceFactor
@@ -173,7 +175,7 @@
 \def\@TextField[#1]#2{% parameters, label
   \let\Hy@reserved@a\@empty
   \def\Fld@name{#2}%
-  \def\Fld@default{}%
+  \let\Fld@default\ltx@empty
   \bgroup
     \Field@toks={ }%
     \kvsetkeys{Field}{#1}%
@@ -220,7 +222,7 @@
 }
 \def\@ChoiceMenu[#1]#2#3{% parameters, label, choices
   \def\Fld@name{#2}%
-  \def\Fld@default{}%
+  \let\Fld@default\ltx@empty
   \let\Hy@reserved@a\relax
   \begingroup
     \expandafter\Fld@findlength#3\\%
diff --git a/Master/texmf-dist/tex/latex/hyperref/htexture.def b/Master/texmf-dist/tex/latex/hyperref/htexture.def
index 136baf1032e..eddde9d9b27 100644
--- a/Master/texmf-dist/tex/latex/hyperref/htexture.def
+++ b/Master/texmf-dist/tex/latex/hyperref/htexture.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{htexture.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for Textures]
 \Hy@VersionCheck{htexture.def}
 \providecommand*{\XR@ext}{pdf}
@@ -194,7 +194,7 @@
     }%
     \Hy@colorlink\@urlcolor
       \Hy@RestoreSpaceFactor
-      #1%
+      #1\Hy@xspace@end
       \Hy@SaveSpaceFactor
       \@linkdim\ht\@tempboxa
       \advance\@linkdim by -6.5\p@
@@ -205,7 +205,7 @@
     \begingroup
       \hyper@chars
       \special{html:<a href=\hyper@quote#2\hyper@quote>}%
-      \Hy@colorlink\@urlcolor#1%
+      \Hy@colorlink\@urlcolor#1\Hy@xspace@end
       \special{html:</a>}%
       \Hy@endcolorlink
     \endgroup
diff --git a/Master/texmf-dist/tex/latex/hyperref/hvtex.def b/Master/texmf-dist/tex/latex/hyperref/hvtex.def
index d26f5ea9d91..ad6a9254879 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hvtex.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hvtex.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hvtex.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for VTeX in PDF/PS mode]
 \Hy@VersionCheck{hvtex.def}
 \providecommand*{\XR@ext}{pdf}
@@ -98,7 +98,7 @@
       |ifx|\#2|\%%
       |else
         \\%
-        |Hy@ReturnAfterFi{%
+        |ltx@ReturnAfterFi{%
           |Hy@ExchangeBackslash#2|@nil
         }%
       |fi
@@ -109,7 +109,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar(%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeLeftParenthesis#2\@nil
       }%
     \fi
@@ -119,7 +119,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar)%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeRightParenthesis#2\@nil
       }%
     \fi
@@ -265,7 +265,9 @@
       \fi
     >%
   }%
-  \Hy@colorlink\@filecolor#1\Hy@endcolorlink
+  \Hy@colorlink\@filecolor
+    #1\Hy@xspace@end
+  \Hy@endcolorlink
   \special{!endaref}%
 }
 \def\hyper@linkurl#1#2{%
@@ -289,7 +291,9 @@
         \fi
       >%
     }%
-    \Hy@colorlink\@urlcolor#1\Hy@endcolorlink
+    \Hy@colorlink\@urlcolor
+      #1\Hy@xspace@end
+    \Hy@endcolorlink
     \special{!endaref}%
   \endgroup
 }
@@ -322,7 +326,9 @@
     >%
   }%
   \expandafter
-  \Hy@colorlink\csname @#1color\endcsname#3\Hy@endcolorlink
+  \Hy@colorlink\csname @#1color\endcsname
+    #3\Hy@xspace@end
+  \Hy@endcolorlink
   \special{!endaref}%
 }
 \def\hyper@image#1#2{%
@@ -353,7 +359,9 @@
       \fi
     >%
   }%
-  \Hy@colorlink\@runcolor#2\Hy@endcolorlink
+  \Hy@colorlink\@runcolor
+    #2\Hy@xspace@end
+  \Hy@endcolorlink
   \special{!endaref}%
 }
 \def\Acrobatmenu#1#2{%
@@ -369,7 +377,9 @@
         \fi
       >%
     }%
-    \Hy@colorlink\@menucolor#2\Hy@endcolorlink
+    \Hy@colorlink\@menucolor
+      #2\Hy@xspace@end
+    \Hy@endcolorlink
     \special{!endaref}%
   }%
 }
diff --git a/Master/texmf-dist/tex/latex/hyperref/hvtexhtm.def b/Master/texmf-dist/tex/latex/hyperref/hvtexhtm.def
index 21526da6a4d..5372f20764f 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hvtexhtm.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hvtexhtm.def
@@ -29,13 +29,13 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hvtexhtml.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for VTeX in HTML mode]
 \Hy@VersionCheck{hvtexhtm.def}
 \providecommand*{\XR@ext}{htm}
 \RequirePackage{vtexhtml}
 \newif\if@Localurl
-\def\PDF@FinishDoc{}
+\let\PDF@FinishDoc\ltx@empty
 \def\PDF@SetupDoc{%
   \ifx\@baseurl\@empty
   \else
@@ -48,7 +48,7 @@
   \leavevmode
   \special{!direct <a href=%
       \hyper@quote\hyper@hash\HyperDestNameFilter{#2}\hyper@quote>}%
-  #3%
+  #3\Hy@xspace@end
   \special{!direct </a>}%
 }
 \def\hyper@linkurl#1#2{%
@@ -58,7 +58,7 @@
     \MathBSuppress=1\relax
     \special{!direct <a href=%
         \hyper@quote\HyperDestNameFilter{#2}\hyper@quote>}%
-    #1%
+    #1\Hy@xspace@end
     \MathBSuppress=0\relax
     \special{!direct </a>}%
   \endgroup
@@ -122,7 +122,7 @@
 \def\@Form[#1]{%
   \Hy@Message{Sorry, TeXpider does not yet support FORMs}%
 }
-\def\@endForm{}
+\let\@endForm\ltx@empty
 \def\@Gauge[#1]#2#3#4{% parameters, label, minimum, maximum
   \Hy@Message{Sorry, TeXpider does not yet support FORM gauges}%
 }
diff --git a/Master/texmf-dist/tex/latex/hyperref/hvtexmrk.def b/Master/texmf-dist/tex/latex/hyperref/hvtexmrk.def
index 70012f68aa7..5c6c1cfc879 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hvtexmrk.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hvtexmrk.def
@@ -29,11 +29,11 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hvtexmrk.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
  Hyperref driver for VTeX in PDF/PS mode (pdfmark specials)]
 \Hy@VersionCheck{hvtexmrk.def}
 \providecommand*{\XR@ext}{pdf}
-\def\Hy@raisedlink{}
+\let\Hy@raisedlink\ltx@empty
 \def\literalps@out#1{\special{pS:#1}}%
 \def\headerps@out#1{\immediate\special{pS:#1}}%
 \input{pdfmark.def}%
diff --git a/Master/texmf-dist/tex/latex/hyperref/hxetex.def b/Master/texmf-dist/tex/latex/hyperref/hxetex.def
index 467b523420c..e25d15907de 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hxetex.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hxetex.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hxetex.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for XeTeX]
 \Hy@VersionCheck{hxetex.def}
 \HyPsd@LoadUnicode
@@ -121,7 +121,7 @@
       |ifx|\#2|\%%
       |else
         \\%
-        |Hy@ReturnAfterFi{%
+        |ltx@ReturnAfterFi{%
           |Hy@ExchangeBackslash#2|@nil
         }%
       |fi
@@ -132,7 +132,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar(%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeLeftParenthesis#2\@nil
       }%
     \fi
@@ -142,7 +142,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar)%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeRightParenthesis#2\@nil
       }%
     \fi
@@ -442,7 +442,7 @@
 }
 \def\hyper@linkend{\Hy@EndAnnot}%
 \def\hyper@link#1#2#3{%
-  \hyper@linkstart{#1}{#2}#3\hyper@linkend
+  \hyper@linkstart{#1}{#2}#3\Hy@xspace@end\hyper@linkend
 }
 \def\hyper@linkfile#1#2#3{%
   \leavevmode
@@ -478,7 +478,7 @@
     }%
     \Hy@colorlink\@filecolor
   }%
-  #1%
+  #1\Hy@xspace@end
   \Hy@EndAnnot
 }
 \def\@hyper@launch run:#1\\#2#3{% filename, anchor text linkname
@@ -510,7 +510,7 @@
     }%
     \Hy@colorlink\@runcolor
   }%
-  #2%
+  #2\Hy@xspace@end
   \Hy@EndAnnot
 }
 \def\hyper@linkurl#1#2{%
@@ -539,7 +539,7 @@
     }%
     \Hy@colorlink\@urlcolor
   }%
-  #1%
+  #1\Hy@xspace@end
   \Hy@EndAnnot
 }
 \def\Acrobatmenu#1#2{%
@@ -564,7 +564,7 @@
       }%
       \Hy@colorlink\@menucolor
     }%
-    #2%
+    #2\Hy@xspace@end
     \Hy@EndAnnot
   }%
 }
@@ -706,7 +706,7 @@
   }%
   \@pdfm@mark{put @catalog <</AcroForm @aform>>}%
 }
-\def\@endForm{}
+\let\@endForm\ltx@empty
 \def\dvipdfm@setdim{%
   height \the\ht\pdfm@box\space
   width  \the\wd\pdfm@box\space
@@ -722,7 +722,7 @@
 }
 \def\@TextField[#1]#2{% parameters, label
   \def\Fld@name{#2}%
-  \def\Fld@default{}%
+  \let\Fld@default\ltx@empty
   \let\Fld@value\@empty
   \def\Fld@width{\DefaultWidthofText}%
   \def\Fld@height{%
@@ -1071,7 +1071,7 @@
     \else
       \expandafter
       \Hy@pstringdef\csname Hy@esc@\string#2\endcsname{#2}%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@@escapeform#3\@nil
       }%
     \fi
diff --git a/Master/texmf-dist/tex/latex/hyperref/hyperref.sty b/Master/texmf-dist/tex/latex/hyperref/hyperref.sty
index 372ff7a1cca..cf0fb3d90cf 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hyperref.sty
+++ b/Master/texmf-dist/tex/latex/hyperref/hyperref.sty
@@ -30,7 +30,7 @@
 %%
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{hyperref}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hypertext links for LaTeX]
 \begingroup
   \@makeother\`%
@@ -99,7 +99,7 @@
   }%
 \endgroup
 \Hy@SetCatcodes
-\RequirePackage{ltxcmds}[2010/03/09]
+\RequirePackage{ltxcmds}[2010/04/26]
 \@ifpackagelater{ltxcmds}{2010/10/25}{}{%
   \long\def\ltx@LocalAppendToMacro#1#2{%
     \global\let\LTXcmds@gtemp#1%
@@ -195,7 +195,7 @@
   \def#1{#2 #3}%
 }
 \ltx@IfUndefined{pdfmatch}{%
-  \def\Hy@Match#1#2#3#4{}%
+  \let\Hy@Match\ltx@gobblefour
 }{%
   \def\Hy@Match#1#2{%
     \begingroup
@@ -251,8 +251,8 @@
 \def\Hy@AtEndOfPackage{%
   \ltx@LocalAppendToMacro\Hy@AtEndOfPackageHook
 }
-\def\Hy@AtBeginDocumentHook{}
-\def\Hy@AtEndOfPackageHook{}
+\let\Hy@AtBeginDocumentHook\ltx@empty
+\let\Hy@AtEndOfPackageHook\ltx@empty
 \AtEndOfPackage{%
   \Hy@AtEndOfPackageHook
   \let\Hy@AtEndOfPackageHook\@undefined
@@ -348,14 +348,12 @@
 \def\Hy@StepCount#1{\advance#1 by 1 }%
 \def\Hy@GlobalStepCount#1{\global\advance#1 by 1 }%
 \newdimen\@linkdim
-\let\Hy@driver\@empty
+\let\Hy@driver\ltx@empty
 \let\MaybeStopEarly\relax
 \newcount\Hy@linkcounter
 \newcount\Hy@pagecounter
 \Hy@linkcounter0
 \Hy@pagecounter0
-\long\def\Hy@ReturnAfterElseFi#1\else#2\fi{\fi#1}
-\long\def\Hy@ReturnAfterFi#1\fi{\fi#1}
 \let\Hy@ReturnEnd\@empty
 \long\def\Hy@ReturnAfterFiFiEnd#1\fi#2\Hy@ReturnEnd{\fi\fi#1}
 \long\def\Hy@ReturnAfterElseFiFiEnd#1\else#2\Hy@ReturnEnd{\fi\fi#1}
@@ -374,7 +372,7 @@
     \toks@\expandafter{\the\toks@ #1}%
     \ifx\\#2\\%
     \else
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \HyCal@do#2\@nil
       }%
     \fi
@@ -1633,7 +1631,7 @@
 }
 \def\HyPsd@Warning#1{%
   \begingroup
-    \def\space{ }%
+    \let\space\ltx@space
     \Hy@Warning{#1}%
   \endgroup
 }
@@ -1888,7 +1886,7 @@
   }%
   \ifx\\#2\\%
   \else
-    \Hy@ReturnAfterFi{%
+    \ltx@ReturnAfterFi{%
       \HyPsd@GlyphProcessWarning#2\@empty
     }%
   \fi
@@ -1999,7 +1997,7 @@
   |gdef|HyPsd@DoConvert#1{%
     |ifx#1|@empty
     |else
-      |Hy@ReturnAfterFi{%
+      |ltx@ReturnAfterFi{%
         |ifx#1\%%
           \%%
           |expandafter|HyPsd@DoEscape
@@ -2014,7 +2012,7 @@
     |ifx#19%
       |expandafter|HyPsd@GetTwoBytes
     |else
-      |Hy@ReturnAfterFi{%
+      |ltx@ReturnAfterFi{%
         |ifx#18%
           00%
           |expandafter|HyPsd@GetTwoBytes
@@ -3733,7 +3731,7 @@
     \x
   \fi
 }
-\def\HyInfo@AddonList{}
+\let\HyInfo@AddonList\ltx@empty
 \define@key{Hyp}{pdfview}{\calculate@pdfview#1 \\}
 \define@key{Hyp}{pdflinkmargin}{\setpdflinkmargin{#1}}
 \let\setpdflinkmargin\@gobble
@@ -3757,14 +3755,14 @@
 \fi
 \define@key{Hyp}{pdfstartpage}{%
   \ifx\\#1\\%
-    \def\@pdfstartpage{}%
+    \let\@pdfstartpage\ltx@empty
   \else
     \edef\@pdfstartpage{\Hy@number{#1}}%
   \fi
 }%
 \define@key{Hyp}{pdfstartview}{%
   \ifx\\#1\\%
-    \def\@pdfstartview{}%
+    \let\@pdfstartview\ltx@empty
   \else
     \hypercalcbpdef\@pdfstartview{/#1}%
   \fi
@@ -3863,21 +3861,21 @@
 \def\@runbordercolor{0 .7 .7}
 \def\@citebordercolor{0 1 0}
 \def\@pdfhighlight{/I}
-\def\@pdftitle{}
-\def\@pdfauthor{}
+\let\@pdftitle\ltx@empty
+\let\@pdfauthor\ltx@empty
 \let\@pdfproducer\relax
 \def\@pdfcreator{LaTeX with hyperref package}
-\def\@pdfcreationdate{}
-\def\@pdfmoddate{}
-\def\@pdfsubject{}
-\def\@pdfkeywords{}
-\def\@pdftrapped{}
-\def\@pdfpagescrop{}
+\let\@pdfcreationdate\ltx@empty
+\let\@pdfmoddate\ltx@empty
+\let\@pdfsubject\ltx@empty
+\let\@pdfkeywords\ltx@empty
+\let\@pdftrapped\ltx@empty
+\let\@pdfpagescrop\ltx@empty
 \def\@pdfstartview{/Fit}
 \def\@pdfremotestartview{/Fit}
 \def\@pdfstartpage{1}
-\def\@pdfprintpagerange{}
-\def\@pdflang{}
+\let\@pdfprintpagerange\ltx@empty
+\let\@pdflang\ltx@empty
 \let\PDF@SetupDoc\@empty
 \let\PDF@FinishDoc\@empty
 \let\phantomsection\@empty
@@ -3919,18 +3917,35 @@
 }{}
 \let\ReadBookmarks\relax
 \ProcessKeyvalOptions{Hyp}
+\def\Hy@xspace@end{}
+\ltx@IfUndefined{xspaceaddexceptions}{%
+  \Hy@AtBeginDocument{%
+    \ltx@IfUndefined{xspaceaddexceptions}{%
+    }{%
+      \def\Hy@xspace@end{%
+        \ltx@gobble{end for xspace}%
+      }%
+      \xspaceaddexceptions{\Hy@xspace@end,\hyper@linkend,\hyper@anchorend}%
+    }%
+  }%
+}{%
+  \def\Hy@xspace@end{%
+    \ltx@gobble{end for xspace}%
+  }%
+  \xspaceaddexceptions{\Hy@xspace@end,\hyper@linkend,\hyper@anchorend}%
+}
 \Hy@AtBeginDocument{%
   \ifHy@draft
     \let\hyper@@anchor\@gobble
-    \gdef\hyper@link#1#2#3{#3}%
-    \let\hyper@anchorstart\@gobble
-    \let\hyper@anchorend\@empty
+    \gdef\hyper@link#1#2#3{#3\Hy@xspace@end}%
+    \def\hyper@anchorstart#1#2{#2\Hy@xspace@end}%
+    \def\hyper@anchorend{\Hy@xspace@end}%
     \let\hyper@linkstart\@gobbletwo
-    \let\hyper@linkend\@empty
-    \def\hyper@linkurl#1#2{#1}%
-    \def\hyper@linkfile#1#2#3{#1}%
-    \def\hyper@link@[#1]#2#3{}%
-    \def\Acrobatmenu#1#2{\leavevmode#2}%
+    \def\hyper@linkend{\Hy@xspace@end}%
+    \def\hyper@linkurl#1#2{#1\Hy@xspace@end}%
+    \def\hyper@linkfile#1#2#3{#1\Hy@xspace@end}%
+    \def\hyper@link@[#1]#2#3#4{#4\Hy@xspace@end}%
+    \def\Acrobatmenu#1#2{\leavevmode#2\Hy@xspace@end}%
     \let\PDF@SetupDoc\@empty
     \let\PDF@FinishDoc\@empty
     \let\@fifthoffive\@secondoftwo
@@ -4265,7 +4280,7 @@
     \def\@pdfpagemode{UseOutlines}%
   \fi
 \else
-  \def\@bookmarkopenstatus#1{}%
+  \let\@bookmarkopenstatus\ltx@gobble
   \Hy@Info{Bookmarks OFF}%
   \Hy@AtEndOfPackage{%
     \global\let\ReadBookmarks\relax
@@ -4277,7 +4292,7 @@
 \fi
 \Hy@DisableOption{bookmarks}
 \def\Hy@CatcodeWrapper#1{%
-  \def\Hy@EndWrap{}%
+  \let\Hy@EndWrap\ltx@empty
   \def\TMP@EnsureCode##1##2{%
     \edef\Hy@EndWrap{%
       \Hy@EndWrap
@@ -4447,11 +4462,11 @@
   \gdef\hyper@n@rmalise#1#2{^^A
     \def\Hy@tempa{#2}^^A
     \ifx\Hy@tempa\Hy@ActiveCarriageReturn
-      \Hy@ReturnAfterElseFi{^^A
+      \ltx@ReturnAfterElseFi{^^A
         \hyper@@normalise{#1}^^A
       }^^A
     \else
-      \Hy@ReturnAfterFi{^^A
+      \ltx@ReturnAfterFi{^^A
         \hyper@@normalise{#1}{#2}^^A
       }^^A
     \fi
@@ -4467,7 +4482,7 @@
     #1^^A
     \ifx\limits#2\limits
     \else
-      \Hy@ReturnAfterFi{^^A
+      \ltx@ReturnAfterFi{^^A
         \Hy@RemovePercentCr #2\@nil
       }^^A
     \fi
@@ -4642,7 +4657,7 @@
   \expandafter\tryhyper@link\ref@one\\{#1}%
 }
 \def\tryhyper@link#1\\#2{%
- \hyper@@link{#2}{#1}%
+  \hyper@@link{#2}{#1}%
 }
 \def\hyperdef{\@ifnextchar[{\label@hyperdef}{\@hyperdef}}
 \def\@hyperdef#1#2#3{%, category, name, text
@@ -4861,7 +4876,7 @@
   \fi
   \let\anchor@spot\@empty
 }
-\def\anchor@spot{}
+\let\anchor@spot\ltx@empty
 \let\htmladdimg\hyperimage
 \def\htmladdnormallink#1#2{\href{#2}{#1}}
 \def\htmladdnormallinkfoot#1#2{\href{#2}{#1}\footnote{#2}}
@@ -5076,7 +5091,7 @@
   \fi
   \HyField@PrintFlags{Submit}{submit button field}%
   \bitsetIsEmpty{HyField@Submit}{%
-    \def\Fld@submitflags{}%
+    \let\Fld@submitflags\ltx@empty
   }{%
     \edef\Fld@submitflags{/Flags \bitsetGetDec{HyField@Submit}}%
   }%
@@ -5094,7 +5109,7 @@
   \HyField@UseFlag{F}{LockedContents}%
   \HyField@PrintFlags{F}{#1}%
   \bitsetIsEmpty{HyField@F}{%
-    \def\Fld@annotflags{}%
+    \let\Fld@annotflags\ltx@empty
   }{%
     \edef\Fld@annotflags{/F \bitsetGetDec{HyField@F}}%
   }%
@@ -5108,7 +5123,7 @@
   \HyField@SetFlag{Ff}{Pushbutton}%
   \HyField@PrintFlags{Ff}{push button field}%
   \bitsetIsEmpty{HyField@Ff}{%
-    \def\Fld@flags{}%
+    \let\Fld@flags\ltx@empty
   }{%
     \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}%
   }%
@@ -5121,7 +5136,7 @@
   \HyField@UseFlag{Ff}{NoExport}%
   \HyField@PrintFlags{Ff}{check box field}%
   \bitsetIsEmpty{HyField@Ff}{%
-    \def\Fld@flags{}%
+    \let\Fld@flags\ltx@empty
   }{%
     \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}%
   }%
@@ -5137,7 +5152,7 @@
   \HyField@UseFlag{Ff}{RadiosInUnison}%
   \HyField@PrintFlags{Ff}{radio button field}%
   \bitsetIsEmpty{HyField@Ff}{%
-    \def\Fld@flags{}%
+    \let\Fld@flags\ltx@empty
   }{%
     \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}%
   }%
@@ -5169,7 +5184,7 @@
   \HyField@UseFlag{Ff}{RichText}%
   \HyField@PrintFlags{Ff}{text field}%
   \bitsetIsEmpty{HyField@Ff}{%
-    \def\Fld@flags{}%
+    \let\Fld@flags\ltx@empty
   }{%
     \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}%
   }%
@@ -5194,15 +5209,15 @@
   \HyField@UseFlag{Ff}{CommitOnSelChange}%
   \HyField@PrintFlags{Ff}{choice field}%
   \bitsetIsEmpty{HyField@Ff}{%
-    \def\Fld@flags{}%
+    \let\Fld@flags\ltx@empty
   }{%
     \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}%
   }%
 }
 \def\HyField@PDFChoices#1{%
   \begingroup
-    \gdef\Fld@choices{}%
-    \def\HyTmp@optlist{}%
+    \global\let\Fld@choices\ltx@empty
+    \let\HyTmp@optlist\ltx@empty
     \let\HyTmp@optitem\relax
     \count@=0 %
     \kv@parse{#1}{%
@@ -5509,7 +5524,7 @@
   \Fld@DingDef\Fld@radiosymbol{#1}%
 }
 \def\Fld@DingDef#1#2{%
-  \def\Fld@temp{}%
+  \let\Fld@temp\ltx@empty
   \Fld@@DingDef#2\ding{}\@nil
   \let#1\Fld@temp
 }
@@ -5547,17 +5562,17 @@
 \define@key{Field}{color}{%
   \HyColor@FieldColor{#1}\Fld@color{hyperref}{color}%
 }
-\def\Fld@onclick@code{}
-\def\Fld@format@code{}
-\def\Fld@validate@code{}
-\def\Fld@calculate@code{}
-\def\Fld@keystroke@code{}
-\def\Fld@onfocus@code{}
-\def\Fld@onblur@code{}
-\def\Fld@onmousedown@code{}
-\def\Fld@onmouseup@code{}
-\def\Fld@onenter@code{}
-\def\Fld@onexit@code{}
+\let\Fld@onclick@code\ltx@empty
+\let\Fld@format@code\ltx@empty
+\let\Fld@validate@code\ltx@empty
+\let\Fld@calculate@code\ltx@empty
+\let\Fld@keystroke@code\ltx@empty
+\let\Fld@onfocus@code\ltx@empty
+\let\Fld@onblur@code\ltx@empty
+\let\Fld@onmousedown@code\ltx@empty
+\let\Fld@onmouseup@code\ltx@empty
+\let\Fld@onenter@code\ltx@empty
+\let\Fld@onexit@code\ltx@empty
 \def\Hy@temp#1{%
   \expandafter\Hy@@temp\csname Fld@#1@code\endcsname{#1}%
 }
@@ -5775,33 +5790,31 @@
   \@ifstar\NoHy@OrgPageRef\NoHy@OrgPageRef
 }
 \def\NoHyper{%
-  \def\hyper@link@[##1]##2##3##4{##4}%
-  \def\hyper@@anchor##1{}%
+  \def\hyper@link@[##1]##2##3##4{##4\Hy@xspace@end}%
+  \def\hyper@@anchor##1##2{##2\Hy@xspace@end}%
   \global\let\hyper@livelink\hyper@link
-  \gdef\hyper@link##1##2##3{##3}%
-  \def\hyper@anchor##1{}%
-  \def\hyper@anchorstart##1{}%
-  \let\hyper@anchorend\@empty
-  \def\hyper@linkstart##1##2{}%
-  \let\hyper@linkend\@empty
-  \def\hyper@linkurl##1##2{##1}%
-  \def\hyper@linkfile##1##2##3{##1}%
-  \def\hyper@link@[##1]##2##3{}%
+  \gdef\hyper@link##1##2##3{##3\Hy@xspace@end}%
+  \let\hyper@anchor\ltx@gobble
+  \let\hyper@anchorstart\ltx@gobble
+  \def\hyper@anchorend{\Hy@xspace@end}%
+  \let\hyper@linkstart\ltx@gobbletwo
+  \def\hyper@linkend{\Hy@xspace@end}%
+  \def\hyper@linkurl##1##2{##1\Hy@xspace@end}%
+  \def\hyper@linkfile##1##2##3{##1\Hy@xspace@end}%
   \let\Hy@backout\@gobble
 }
 \def\stop@hyper{%
-  \def\hyper@link@[##1]##2##3##4{##4}%
+  \def\hyper@link@[##1]##2##3##4{##4\Hy@xspace@end}%
   \let\Hy@backout\@gobble
-  \def\hyper@@anchor##1{}%
-  \def\hyper@link##1##2##3{##3}%
-  \def\hyper@anchor##1{}%
-  \def\hyper@anchorstart##1{}%
-  \let\hyper@anchorend\@empty
-  \def\hyper@linkstart##1##2{}%
-  \let\hyper@linkend\@empty
-  \def\hyper@linkurl##1##2{##1}%
-  \def\hyper@linkfile##1##2##3{##1}%
-  \def\hyper@link@[##1]##2##3{}%
+  \let\hyper@@anchor\ltx@gobble
+  \def\hyper@link##1##2##3{##3\Hy@xspace@end}%
+  \let\hyper@anchor\ltx@gobble
+  \let\hyper@anchorstart\ltx@gobble
+  \def\hyper@anchorend{\Hy@xspace@end}%
+  \let\hyper@linkstart\ltx@gobbletwo
+  \def\hyper@linkend{\Hy@xspace@end}%
+  \def\hyper@linkurl##1##2{##1\Hy@xspace@end}%
+  \def\hyper@linkfile##1##2##3{##1\Hy@xspace@end}%
 }
 \def\endNoHyper{%
   \global\let\hyper@link\hyper@livelink
@@ -5841,7 +5854,7 @@
       \string\gdef\string\HyperFirstAtBeginDocument\string#1{\string#1}%
     }%
   \fi
-  \def\HyperFirstAtBeginDocument#1{#1}%
+  \let\HyperFirstAtBeginDocument\ltx@firstofone
   \ifx\hyper@last\@undefined
     \def\@starttoc#1{%
       \begingroup
@@ -5924,12 +5937,12 @@
   \Hy@UseMaketitleString{author}%
 }
 \RequirePackage{atbegshi}[2007/09/09]
-\def\Hy@EveryPageHook{}
-\def\Hy@EveryPageBoxHook{}
-\def\Hy@FirstPageHook{}
+\let\Hy@EveryPageHook\ltx@empty
+\let\Hy@EveryPageBoxHook\ltx@empty
+\let\Hy@FirstPageHook\ltx@empty
 \AtBeginShipout{%
   \Hy@EveryPageHook
-  \ifx\Hy@EveryPageBoxHook\@empty
+  \ifx\Hy@EveryPageBoxHook\ltx@empty
   \else
     \setbox\AtBeginShipoutBox=\vbox{%
       \offinterlineskip
@@ -5943,7 +5956,7 @@
 }
 \g@addto@macro\Hy@FirstPageHook{%
   \PDF@FinishDoc
-  \gdef\PDF@FinishDoc{}%
+  \global\let\PDF@FinishDoc\ltx@empty
 }
 \ifHy@pagelabels
   \begingroup\expandafter\expandafter\expandafter\endgroup
@@ -5960,18 +5973,18 @@
     \gdef\HyPL@thisLabel{#1}%
   }%
   \global\let\HyPL@thisLabel\relax
-  \def\HyPL@Labels{}%
+  \let\HyPL@Labels\ltx@empty
   \newcount\Hy@abspage
   \Hy@abspage=0 %
   \def\HyPL@LastType{init}%
   \def\HyPL@LastNumber{0}%
-  \def\HyPL@LastPrefix{}%
+  \let\HyPL@LastPrefix\ltx@empty
   \def\HyPL@arabic{D}%
   \def\HyPL@Roman{R}%
   \def\HyPL@roman{r}%
   \def\HyPL@Alph{A}%
   \def\HyPL@alph{a}%
-  \def\HyPL@SlidesSetPage{}%
+  \let\HyPL@SlidesSetPage\ltx@empty
   \ltx@ifclassloaded{slides}{%
     \def\HyPL@SlidesSetPage{%
       \advance\c@page\ltx@one
@@ -5980,7 +5993,7 @@
           \Hy@SlidesFormatOptionalPage{\thepage}%
         }%
       \else
-        \def\HyPL@SlidesOptionalPage{}%
+        \let\HyPL@SlidesOptionalPage\ltx@empty
       \fi
       \advance\c@page-\ltx@one
       \def\HyPL@page{%
@@ -7573,7 +7586,7 @@
   \def\Hy@temp{#3}%
   \ifx\Hy@temp\@empty
   \else
-    \Hy@ReturnAfterFi{%
+    \ltx@ReturnAfterFi{%
       \HyInd@hyperpage#3\@nil
     }%
   \fi
@@ -7609,7 +7622,7 @@
       \hyperlink{page.\the\toks@}{\the\toks@}%
     \fi
   \else
-    \Hy@ReturnAfterFi{%
+    \ltx@ReturnAfterFi{%
       \HyInd@removespaces#2\@nil
     }%
   \fi
diff --git a/Master/texmf-dist/tex/latex/hyperref/hypertex.def b/Master/texmf-dist/tex/latex/hyperref/hypertex.def
index ea6816b077f..2a699215578 100644
--- a/Master/texmf-dist/tex/latex/hyperref/hypertex.def
+++ b/Master/texmf-dist/tex/latex/hyperref/hypertex.def
@@ -29,11 +29,11 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{hypertex.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref driver for HyperTeX specials]
 \Hy@VersionCheck{hypertex.def}
 \providecommand*{\XR@ext}{dvi}
-\def\PDF@FinishDoc{}
+\let\PDF@FinishDoc\ltx@empty
 \def\PDF@SetupDoc{%
   \ifx\@baseurl\@empty
   \else
@@ -117,7 +117,7 @@
     \begingroup
       \hyper@chars
       \special{html:<a href=\hyper@quote#2\hyper@quote>}%
-      \Hy@colorlink\@urlcolor#1%
+      \Hy@colorlink\@urlcolor#1\Hy@xspace@end
       \special{html:</a>}%
       \Hy@endcolorlink
     \endgroup
@@ -134,7 +134,7 @@
   \endgroup
 }
 \def\@Form[#1]{\Hy@Message{Sorry, HyperTeX does not support FORMs}}
-\def\@endForm{}
+\let\@endForm\ltx@empty
 \def\@Gauge[#1]#2#3#4{% parameters, label, minimum, maximum
   \Hy@Message{Sorry, HyperTeX does not support FORM gauges}%
 }
diff --git a/Master/texmf-dist/tex/latex/hyperref/nohyperref.sty b/Master/texmf-dist/tex/latex/hyperref/nohyperref.sty
index 7e31b90e910..f043d60ccb3 100644
--- a/Master/texmf-dist/tex/latex/hyperref/nohyperref.sty
+++ b/Master/texmf-dist/tex/latex/hyperref/nohyperref.sty
@@ -30,7 +30,7 @@
 %%
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{nohyperref}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Dummy hyperref (SR)]
 \RequirePackage{letltxmacro}[2008/06/13]
 \let\hyper@@anchor\@gobble
diff --git a/Master/texmf-dist/tex/latex/hyperref/pd1enc.def b/Master/texmf-dist/tex/latex/hyperref/pd1enc.def
index 49012bfa794..5e645bcd4b7 100644
--- a/Master/texmf-dist/tex/latex/hyperref/pd1enc.def
+++ b/Master/texmf-dist/tex/latex/hyperref/pd1enc.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{pd1enc.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref: PDFDocEncoding definition (HO)]
 \DeclareFontEncoding{PD1}{}{}
 \DeclareTextAccent{\`}{PD1}{\textasciigrave}
diff --git a/Master/texmf-dist/tex/latex/hyperref/pdfmark.def b/Master/texmf-dist/tex/latex/hyperref/pdfmark.def
index 33bcc4548c2..ef90df8d9c2 100644
--- a/Master/texmf-dist/tex/latex/hyperref/pdfmark.def
+++ b/Master/texmf-dist/tex/latex/hyperref/pdfmark.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{pdfmark.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref definitions for pdfmark specials]
 \Hy@VersionCheck{pdfmark.def}
 \begingroup
@@ -106,7 +106,7 @@
       |ifx|\#2|\%%
       |else
         \\%
-        |Hy@ReturnAfterFi{%
+        |ltx@ReturnAfterFi{%
           |Hy@ExchangeBackslash#2|@nil
         }%
       |fi
@@ -117,7 +117,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar(%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeLeftParenthesis#2\@nil
       }%
     \fi
@@ -127,7 +127,7 @@
     \ifx\\#2\\%
     \else
       \@backslashchar)%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@ExchangeRightParenthesis#2\@nil
       }%
     \fi
@@ -217,7 +217,7 @@
     \ifmmode
       \def\Hy@LinkMath{$}%
     \else
-      \def\Hy@LinkMath{}%
+      \let\Hy@LinkMath\ltx@empty
     \fi
     \Hy@SaveSpaceFactor
     \hbox\bgroup
@@ -542,13 +542,13 @@
     \ifmmode
       \def\Hy@LinkMath{$}%
     \else
-      \def\Hy@LinkMath{}%
+      \let\Hy@LinkMath\ltx@empty
     \fi
     \ifHy@breaklinks
       \Hy@setouterhbox\pdf@box{%
         \Hy@RestoreSpaceFactor
         \Hy@LinkMath
-        \Hy@AllowHyphens#1%
+        \Hy@AllowHyphens#1\Hy@xspace@end
         \Hy@LinkMath
         \Hy@SaveSpaceFactor
       }%
@@ -556,7 +556,7 @@
       \sbox\pdf@box{%
         \Hy@RestoreSpaceFactor
         \Hy@LinkMath
-        #1%
+        #1\Hy@xspace@end
         \Hy@LinkMath
         \Hy@SaveSpaceFactor
       }%
@@ -1016,13 +1016,13 @@
 }}%
   \kvsetkeys{Form}{#1}%
 }
-\def\@endForm{}
+\let\@endForm\ltx@empty
 \def\@Gauge[#1]#2#3#4{% parameters, label, minimum, maximum
   \Hy@Message{Sorry, pdfmark drivers do not support FORM gauges}%
 }
 \def\@TextField[#1]#2{% parameters, label
   \def\Fld@name{#2}%
-  \def\Fld@default{}%
+  \let\Fld@default\ltx@empty
   \let\Fld@value\@empty
   \def\Fld@width{\DefaultWidthofText}%
   \def\Fld@height{%
@@ -1253,7 +1253,7 @@
     \else
       \expandafter
       \Hy@pstringdef\csname Hy@esc@\string#2\endcsname{#2}%
-      \Hy@ReturnAfterFi{%
+      \ltx@ReturnAfterFi{%
         \Hy@@escapeform#3\@nil
       }%
     \fi
diff --git a/Master/texmf-dist/tex/latex/hyperref/puarenc.def b/Master/texmf-dist/tex/latex/hyperref/puarenc.def
index 56f2e046519..cf0fe097c27 100644
--- a/Master/texmf-dist/tex/latex/hyperref/puarenc.def
+++ b/Master/texmf-dist/tex/latex/hyperref/puarenc.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{puarenc.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref: Additions to puenc.def for Arabi]
 \DeclareTextCommand{\hamza}{PU}{\86\041}% 0621;afii57409;ARABIC LETTER HAMZA
 \DeclareTextCommand{\alefmadda}{PU}{\86\042}% 0622;afii57410;ARABIC LETTER ALEF WITH MADDA ABOVE
diff --git a/Master/texmf-dist/tex/latex/hyperref/puenc.def b/Master/texmf-dist/tex/latex/hyperref/puenc.def
index f72b82858a4..11e064ef2e2 100644
--- a/Master/texmf-dist/tex/latex/hyperref/puenc.def
+++ b/Master/texmf-dist/tex/latex/hyperref/puenc.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{puenc.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref: PDF Unicode definition (HO)]
 \DeclareFontEncoding{PU}{}{}
 \DeclareTextCommand{\`}{PU}[1]{#1\83\000}% U+0300
diff --git a/Master/texmf-dist/tex/latex/hyperref/puvnenc.def b/Master/texmf-dist/tex/latex/hyperref/puvnenc.def
index fc935c1c059..5ac9ed9d8d5 100644
--- a/Master/texmf-dist/tex/latex/hyperref/puvnenc.def
+++ b/Master/texmf-dist/tex/latex/hyperref/puvnenc.def
@@ -29,7 +29,7 @@
 %% given in the file `manifest.txt'.
 %%
 \ProvidesFile{puvnenc.def}
-  [2011/03/09 v6.82d %
+  [2011/04/09 v6.82f %
   Hyperref: Additions to puenc.def for VnTeX]
 \DeclareTextCommand{\abreve}{PU}{\81\003}
 \DeclareTextCommand{\acircumflex}{PU}{\80\342}