undolabl (30mar15)

git-svn-id: svn://tug.org/texlive/trunk@36681 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 67 insertions, 21 deletions

diff --git a/Master/texmf-dist/tex/latex/undolabl/undolabl.sty b/Master/texmf-dist/tex/latex/undolabl/undolabl.sty
index 0c7aacfc8e1..60b520cf53f 100644
--- a/Master/texmf-dist/tex/latex/undolabl/undolabl.sty
+++ b/Master/texmf-dist/tex/latex/undolabl/undolabl.sty
@@ -9,9 +9,9 @@
 %% This is a generated file.
 %% 
 %% Project: undolabl
-%% Version: 2012/01/01 v1.0k
+%% Version: 2015/03/29 v1.0l
 %% 
-%% Copyright (C) 2010 - 2012 by
+%% Copyright (C) 2010 - 2015 by
 %%     H.-Martin M"unch <Martin dot Muench at Uni-Bonn dot de>
 %% Portions of code copyrighted by other people as marked.
 %% 
@@ -34,9 +34,10 @@
 %% 
 %% The Current Maintainer of this work is H.-Martin Muench.
 %% 
-%% The main code of this package was invented by Ulrich Diez
-%% (eu_angelion AT web DOT de) and first published in the comp.text.tex
-%% newsgroup at Sun, 20 Apr 2008 16:39:26 +0200, with subject:
+%% The main code of this package was invented by
+%% Ulrich Diez (eu_angelion AT web DOT de)
+%% and first published in the comp.text.tex newsgroup
+%% at Sun, 20 Apr 2008 16:39:26 +0200, with subject:
 %% Re: How to undefine/overwrite a label? (see e.g.
 %% http://groups.google.de/group/comp.text.tex/msg/af6cfe93917097da?dmode=source
 %% ). While Ulrich Diez neither wanted to create a package himself yet
@@ -49,22 +50,65 @@
 %%    undolabl.ins, undolabl.drv,
 %%    undolabl-example.tex, undolabl-example.pdf.
 %% 
+%% In memoriam
+%%  Claudia Simone Barth + 1996/01/30
+%%  Tommy Muench + 2014/01/02
+%%  Hans-Klaus Muench + 2014/08/24
+%% 
 
-\NeedsTeXFormat{LaTeX2e}[2011/06/27]
-\ProvidesPackage{undolabl}[2012/01/01 v1.0k
-  Overriding labels (HMM)]
+\NeedsTeXFormat{LaTeX2e}[2014/05/01]
+\ProvidesPackage{undolabl}%
+  [2015/03/29 v1.0l Overriding labels (HMM)]
 %% undolabl may work with earlier versions of LaTeX2e,
 %% but this was not tested. Please consider updating
 %% your LaTeX2e to the most recent version
 %% (if it is not already the most recent version).
 
+\AtBeginDocument{%
+  \if@filesw%
+  \else%
+    \@ifpackageloaded{tikz}{%
+      \PackageWarning{undolabl}%
+        {The undolabl package was not allowed to write to an\MessageBreak%
+         .aux file. This package does not work without access\MessageBreak%
+         to an .aux file.\MessageBreak%
+         It is OK if the .aux file was already updated\MessageBreak%
+         by a previouse compiler run\MessageBreak%
+         and would not have changed anyway.\MessageBreak%
+        }%
+    }{\PackageError{undolabl}{No writing to auxiliary file allowed}%
+        {The undolabl package was not allowed to write to an .aux file.\MessageBreak%
+         This package does not work without access to an .aux file.\MessageBreak%
+         Press Ctrl+Z to exit.\MessageBreak%
+         But it is OK if the .aux file was already updated\MessageBreak%
+         by a previouse compiler run\MessageBreak%
+         and would not have changed anyway.\MessageBreak%
+        }%
+     }%
+  \fi%
+  \@ifpackageloaded{acronym}%
+   {\@ifpackagelater{acronym}{2015/03/20}%
+    {% later, OK
+    }{\PackageError{undolabl}{Incompatible old acronym package detected}%
+      {The undolabl package is not compatible with the acronym package%
+       \MessageBreak%
+       older than 2015/03/21 v1.41. Please update your acronym package!%
+       \MessageBreak%
+      }%
+     }%
+   }{% not loaded, OK
+   }%
+  }
+
 \newcommand\overridelabel[1]{%
-\@bsphack
-  \protected@write\@auxout{}{\string\undonewlabel{#1}}%
-  \@overriddenmessage s{#1}%
-  \label{#1}%
+\@bsphack%
+  \if@filesw%
+    \protected@write\@auxout{}{\string\undonewlabel{#1}}%
+    \@overriddenmessage s{#1}%
+    \label{#1}%
+  \fi%
   \@esphack%
-}
+  }
 
 \newcommand\undonewlabel{\@und@newl@bel r}
 
@@ -76,7 +120,7 @@
   }{%
     \expandafter\global
     \expandafter\let
-    \csname #1@#2\endcsname\relax
+    \csname #1@#2\endcsname\relax%
    }%
   }
 
@@ -91,25 +135,27 @@
   \@ifundefined{s@#2}\@secondoftwo\@firstofone{%
     \expandafter\ifx\csname s@#2\endcsname\empty
       \expandafter\@firstofone
-    \else
+    \else%
     \expandafter\xdef\csname s@#2\endcsname{%
       \expandafter\expandafter
       \expandafter\@gobble
       \csname s@#2\endcsname
       }%
     \expandafter\@gobble
-    \fi
+    \fi%
     }{\@testdef{#1}{#2}{#3}%
      }%
   }
 
-\protected@write\@auxout{}{\string\reset@newl@bel}
+\if@filesw%
+  \protected@write\@auxout{}{\string\reset@newl@bel}%
+\fi%
 
 \newcommand\reset@newl@bel{%
-  \ifx\@newl@bel\@testdef
-    \let\@newl@bel\undolabl@testdef
-    \let\undonewlabel\@gobble
-  \fi
+  \ifx\@newl@bel\@testdef%
+    \let\@newl@bel\undolabl@testdef%
+    \let\undonewlabel\@gobble%
+  \fi%
   }
 
 \endinput