undolabl (30mar15)

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

3 files changed, 239 insertions, 183 deletions

diff --git a/Master/texmf-dist/source/latex/undolabl/undolabl.drv b/Master/texmf-dist/source/latex/undolabl/undolabl.drv
index f92873d39b2..06482ee85db 100644
--- a/Master/texmf-dist/source/latex/undolabl/undolabl.drv
+++ b/Master/texmf-dist/source/latex/undolabl/undolabl.drv
@@ -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
@@ -49,11 +50,16 @@
 %%    undolabl.ins, undolabl.drv,
 %%    undolabl-example.tex, undolabl-example.pdf.
 %% 
-\NeedsTeXFormat{LaTeX2e}[2011/06/27]
+%% In memoriam
+%%  Claudia Simone Barth + 1996/01/30
+%%  Tommy Muench + 2014/01/02
+%%  Hans-Klaus Muench + 2014/08/24
+%% 
+\NeedsTeXFormat{LaTeX2e}[2014/05/01]
 \ProvidesFile{undolabl.drv}%
-  [2012/01/01 v1.0k Overriding labels (HMM)]
-\documentclass{ltxdoc}[2007/11/11]% v2.0u
-\usepackage{holtxdoc}[2011/02/04]%  v0.21
+  [2015/03/29 v1.0l Overriding labels (HMM)]
+\documentclass{ltxdoc}[2014/09/29]% v2.0u
+\usepackage{holtxdoc}[2012/03/21]%  v0.24
 %% undolabl may work with earlier versions of LaTeX2e and those
 %% class and package, but this was not tested.
 %% Please consider updating your LaTeX, class, and package
diff --git a/Master/texmf-dist/source/latex/undolabl/undolabl.dtx b/Master/texmf-dist/source/latex/undolabl/undolabl.dtx
index c8dcfc951dc..180876aefde 100644
--- a/Master/texmf-dist/source/latex/undolabl/undolabl.dtx
+++ b/Master/texmf-dist/source/latex/undolabl/undolabl.dtx
@@ -1,15 +1,15 @@
 % \iffalse meta-comment
 %
 % File: undolabl.dtx
-% 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.
 %
-% 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
+% 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
@@ -36,48 +36,12 @@
 %    undolabl.ins, undolabl.drv,
 %    undolabl-example.tex, undolabl-example.pdf.
 %
-% Distribution:
-%    CTAN:macros/latex/contrib/undolabl/undolabl.dtx
-%    CTAN:macros/latex/contrib/undolabl/undolabl.pdf
-%    CTAN:install/macros/latex/contrib/undolabl.tds.zip
-%
-% Cf. http://ctan.org/pkg/undolabl and
-% http://www.tex.ac.uk/tex-archive/help/Catalogue/entries/undolabl.html
-%
-% Unpacking:
-%    (a) If undolabl.ins is present:
-%           tex undolabl.ins
-%    (b) Without undolabl.ins:
-%           tex undolabl.dtx
-%    (c) If you insist on using LaTeX
-%           latex \let\install=y\input{undolabl.dtx}
-%        (quote the arguments according to the demands of your shell)
-%
-% Documentation:
-%    (a) If undolabl.drv is present:
-%           (pdf)latex undolabl.drv
-%           makeindex -s gind.ist undolabl.idx
-%           (pdf)latex undolabl.drv
-%           makeindex -s gind.ist undolabl.idx
-%           (pdf)latex undolabl.drv
-%    (b) Without undolabl.drv:
-%           (pdf)latex undolabl.dtx
-%           makeindex -s gind.ist undolabl.idx
-%           (pdf)latex undolabl.dtx
-%           makeindex -s gind.ist undolabl.idx
-%           (pdf)latex undolabl.dtx
-%
-%    The class ltxdoc loads the configuration file ltxdoc.cfg
-%    if available. Here you can specify further options, e.g.
-%    use DIN A4 as paper format:
-%       \PassOptionsToClass{a4paper}{article}
-%
-% Installation:
-%    TDS:tex/latex/undolabl/undolabl.sty
-%    TDS:doc/latex/undolabl/undolabl.pdf
-%    TDS:doc/latex/undolabl/undolabl-example.tex
-%    TDS:doc/latex/undolabl/undolabl-example.pdf
-%    TDS:source/latex/undolabl/undolabl.dtx
+% 'undolabl' is available on CTAN:
+% https://www.ctan.org/pkg/undolabl
+%
+% Also a TDS.ZIP file is provided that contains all the files
+% already sorted in a TDS tree:
+% http://mirrors.ctan.org/install/macros/latex/contrib/undolabl.tds.zip
 %
 %<*ignore>
 \begingroup
@@ -92,10 +56,10 @@
 %</ignore>
 %<*install>
 \input docstrip.tex
-\Msg{**************************************************************}
-\Msg{* Installation                                               *}
-\Msg{* Package: undolabl 2012/01/01 v1.0k Overriding labels (HMM) *}
-\Msg{**************************************************************}
+\Msg{************************************************************}
+\Msg{* Installation}
+\Msg{* Package: undolabl 2015/03/29 v1.0l Overriding labels (HMM)}
+\Msg{************************************************************}
 
 \keepsilent
 \askforoverwritefalse
@@ -106,9 +70,9 @@
 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.
 
@@ -131,9 +95,10 @@ This work has the LPPL maintenance status "maintained".
 
 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
@@ -146,6 +111,11 @@ the README, and the derived files
    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
+
 \endpreamble
 \let\MetaPrefix\DoubleperCent
 
@@ -165,7 +135,7 @@ the README, and the derived files
 \Msg{* To finish the installation you have to move the following}
 \Msg{* file into a directory searched by TeX:}
 \Msg{*}
-\Msg{*     undolabl.sty}
+\Msg{*  undolabl.sty}
 \Msg{*}
 \Msg{* To produce the documentation run the file `undolabl.drv'}
 \Msg{* through (pdf)LaTeX, e.g.}
@@ -191,7 +161,7 @@ the README, and the derived files
 % \section{The documentation driver file}
 %
 % The next bit of code contains the documentation driver file for
-% \TeX{}, i.\,e., the file that will produce the documentation you
+% \TeX , i.\,e., the file that will produce the documentation you
 % are currently reading. It will be extracted from this file by the
 % \texttt{docstrip} programme. That is, run \LaTeX{} on \texttt{docstrip}
 % and specify the \texttt{driver} option when \texttt{docstrip}
@@ -199,11 +169,11 @@ the README, and the derived files
 %
 %    \begin{macrocode}
 %<*driver>
-\NeedsTeXFormat{LaTeX2e}[2011/06/27]
+\NeedsTeXFormat{LaTeX2e}[2014/05/01]
 \ProvidesFile{undolabl.drv}%
-  [2012/01/01 v1.0k Overriding labels (HMM)]
-\documentclass{ltxdoc}[2007/11/11]% v2.0u
-\usepackage{holtxdoc}[2011/02/04]%  v0.21
+  [2015/03/29 v1.0l Overriding labels (HMM)]
+\documentclass{ltxdoc}[2014/09/29]% v2.0u
+\usepackage{holtxdoc}[2012/03/21]%  v0.24
 %% undolabl may work with earlier versions of LaTeX2e and those
 %% class and package, but this was not tested.
 %% Please consider updating your LaTeX, class, and package
@@ -237,7 +207,7 @@ the README, and the derived files
 %
 % \fi
 %
-% \CheckSum{79}
+% \CheckSum{107}
 %
 % \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
@@ -272,7 +242,7 @@ the README, and the derived files
 %     }%^^A
 %   \expandafter\endgroup\x
 %
-% \DoNotIndex{\\}
+% \DoNotIndex{\",\-,\,,\\,\noindent}
 % \DoNotIndex{\documentclass,\usepackage,\ProvidesPackage,\begin,\end}
 % \DoNotIndex{\MessageBreak}
 % \DoNotIndex{\NeedsTeXFormat,\DoNotIndex,\verb}
@@ -287,13 +257,13 @@ the README, and the derived files
 % \DoNotIndex{\Large}
 %
 % \title{The \xpackage{undolabl} package}
-% \date{2012/01/01 v1.0k}
+% \date{2015/03/29 v1.0l}
 % \author{H.-Martin M\"{u}nch\\\xemail{Martin.Muench at Uni-Bonn.de}}
 %
 % \maketitle
 %
 % \begin{abstract}
-%  This \LaTeX{} package allows to override existing labels,
+%  \noindent This \LaTeX{} package allows to override existing labels,
 %  especially automatically generated ones.
 % \end{abstract}
 %
@@ -306,13 +276,13 @@ the README, and the derived files
 % updated by removing the second argument of |\undonewlabel|, i.\,e. the |{\on@line}|.\\
 %
 % \noindent Note: The main code of this package was invented by\\
-% \textbf{ULRICH DIEZ} (\texttt{eu\_angelion@web.de})\\
+% \textbf{ULRICH DIEZ}\\
 % and first published in the \Newsgroup{comp.text.tex} newsgroup at\\
 % \texttt{Sun,~20~Apr~2008~16:39:26~+0200}, with subject:\\
 % \texttt{Re:~How~to~undefine/overwrite~a~label?} (see e.\,g.
-% \url{http://groups.google.de/group/comp.text.tex/msg/af6cfe93917097da?dmode=source}
+% \url{http://groups.google.de/group/comp.text.tex/msg/af6cfe93917097da?dmode=source}%
 % ).\\
-% While \textsc{Ulrich Diez} neither wanted to create a~package himself yet
+% While \textbf{ULRICH DIEZ} neither wanted to create a~package himself yet
 % nor have one published under his name, he granted the publication of his code.
 % Therefore: Thanks!
 % I submitted this package to CTAN (after some updates of the documentation,
@@ -468,7 +438,7 @@ the README, and the derived files
 %     changed although that might not be a correct statement.
 % \end{description}
 %
-% \textsc{Ulrich Diez} decided to catch this up by his |\undolabl@testdef| command.
+% \textbf{ULRICH DIEZ} decided to catch this up by his |\undolabl@testdef| command.
 % The |\undolabl@testdef|-comparison-mechanism gets enhanced via
 % \textquotedblleft replacing\textquotedblright{}. This works as follows:
 % When the \xfile{.aux} file is read at the beginning of the \LaTeX{}-run,
@@ -503,8 +473,7 @@ the README, and the derived files
 %    \begin{macrocode}
 %<*example>
 \documentclass[british]{article}[2007/10/19]% v1.4h
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\usepackage{undolabl}[2012/01/01]% v1.0k
+\usepackage{undolabl}[2015/03/29]% v1.0l
 %% There are no options for the undolabl package. %%
 \usepackage[%
  extension=pdf,%
@@ -520,7 +489,7 @@ the README, and the derived files
  pdfstartview=FitH,%
  pdfpagelayout=OneColumn,%
  bookmarksopen=true%
-]{hyperref}[2011/12/04]% v6.82m; when you want to use nameref
+]{hyperref}[2012/11/06]% v6.83m; when you want to use nameref
 \gdef\unit#1{\mathord{\thinspace\mathrm{#1}}}%
 \listfiles
 \begin{document}
@@ -528,7 +497,7 @@ the README, and the derived files
 \section*{Example for undolabl}
 
 This example demonstrates the use of package\newline
-\textsf{undolabl}, v1.0k as of 2012/01/01 (HMM).\newline
+\textsf{undolabl}, v1.0l as of 2015/03/29 (HMM).\newline
 For details please see the documentation!\newline
 
 \noindent Save per page about $200\unit{ml}$~water,
@@ -592,9 +561,9 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\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
@@ -602,8 +571,79 @@ name-reference: \nameref{testlabel}%% -> Still another test
 
 %    \end{macrocode}
 %
+% \begin{macro}{\AtBeginDocument}
+% 
+% |\AtBeginDocument| it is checked whether writing to files is allowed.
+% Some packages (e.\,g. \xpackage{tikz} and \xpackage{selectp}) sometimes prevent
+% the output to the \xfile{aux} file. In that case a warning or an error message
+% is issued. This is no problem as long as there is/was another compilation run
+% where the labels can/could be processed via the \xfile{aux} file.
+%
+%    \begin{macrocode}
+\AtBeginDocument{%
+  \if@filesw%
+%    \end{macrocode}
+%
+% \noindent then |\relax|.\newline
+% When writing to files is not allowed, nothing can be done. But when
+% the labels were already processed via the \xfile{aux} file,
+% nothing needs to be done (if enough compilation runs have been done before).
+%
+%    \begin{macrocode}
+  \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%
+%    \end{macrocode}
+%
+% \newpage
+%
+% The \textsf{undolabl} and the \textsf{acronym} packages shared some commands
+% with the same names and where therefore incompatible. \textsc{Jan Heisswolf}
+% (ITIV at KIT) reported this in 2014 (Thanks!). Changing the macros in the
+% \textsf{undolabl} package also required changing them in the \textsf{pageslts}
+% package and providing a fallback mechanism for the old commands used in
+% existing \xfile{.aux} files. When I wanted to implement this in 2015,
+% it turned out the \textsf{acronym} package had been updated a week before
+% (Thanks!) and fixed the incompatibility. Now what remained to be done
+% was just to check that no older acronym package is used:
+%
+%    \begin{macrocode}
+  \@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
+   }%
+  }
+
+%    \end{macrocode}
+% \end{macro}
+%
 % \DescribeMacro{\overridelabel}
-% In order to override a label, first you need to write to the
+% In order to override a label, first one needs to write to the
 % \xfile{.aux} file to silently undefine the associated |\r@<label>|-macro
 % if it is already defined. That is why |\overridelabel| writes in
 % terms of |\protected@write| to the \xfile{.aux} file:
@@ -613,9 +653,10 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %
 %    \begin{macrocode}
 \newcommand\overridelabel[1]{%
-\@bsphack
-  \protected@write\@auxout{}{\string\undonewlabel{#1}}%
-  \@overriddenmessage s{#1}%
+\@bsphack%
+  \if@filesw%
+    \protected@write\@auxout{}{\string\undonewlabel{#1}}%
+    \@overriddenmessage s{#1}%
 %    \end{macrocode}
 %
 % Then |\overridelabel| can call |\label{<label>}| again
@@ -623,9 +664,10 @@ name-reference: \nameref{testlabel}%% -> Still another test
 % \xfile{.aux} file.
 %
 %    \begin{macrocode}
-  \label{#1}%
+    \label{#1}%
+  \fi%
   \@esphack%
-}
+  }
 
 %    \end{macrocode}
 %
@@ -649,21 +691,22 @@ name-reference: \nameref{testlabel}%% -> Still another test
   }{%
 %    \end{macrocode}
 %
-% \noindent otherwise:\\
+% \pagebreak
+%
+% \noindent otherwise:\newline
 % Undefine |\r@label| via letting it equal to |\relax|:
 %
 %    \begin{macrocode}
     \expandafter\global
     \expandafter\let
-    \csname #1@#2\endcsname\relax
+    \csname #1@#2\endcsname\relax%
    }%
   }
 
 %    \end{macrocode}
 %
-% \pagebreak
-%
 % \DescribeMacro{\@overriddenmessage}
+%
 % Command for the notification of overriding a label:
 %
 %    \begin{macrocode}
@@ -683,14 +726,14 @@ name-reference: \nameref{testlabel}%% -> Still another test
   \@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}%
      }%
   }
@@ -700,7 +743,9 @@ name-reference: \nameref{testlabel}%% -> Still another test
 % \DescribeMacro{\protected@write\\@auxout}
 %
 %    \begin{macrocode}
-\protected@write\@auxout{}{\string\reset@newl@bel}
+\if@filesw%
+  \protected@write\@auxout{}{\string\reset@newl@bel}%
+\fi%
 
 %    \end{macrocode}
 %
@@ -708,10 +753,10 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %
 %    \begin{macrocode}
 \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%
   }
 
 %    \end{macrocode}
@@ -726,46 +771,46 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %
 % \subsection{Downloads\label{ss:Downloads}}
 %
-% Everything is available on \CTAN{}, \url{http://www.ctan.org/tex-archive/},
+% Everything is available at \url{https://www.ctan.org}
 % but may need additional packages themselves.\\
 %
 % \DescribeMacro{undolabl.dtx}
 % For unpacking the |undolabl.dtx| file and constructing the documentation
 % it is required:
 % \begin{description}
-% \item[-] \TeX{} Format \LaTeXe{}, \url{http://www.CTAN.org/}
+% \item[-] \TeX{} Format \LaTeXe{}, \url{https://www.CTAN.org}
 %
-% \item[-] document class \xpackage{ltxdoc}, 2007/11/11, v2.0u,
-%           \url{http://ctan.org/pkg/ltxdoc}
+% \item[-] document class \xpackage{ltxdoc}, 2014/09/29, v2.0u,
+%           \url{https://www.ctan.org/pkg/ltxdoc}
 %
-% \item[-] package \xpackage{holtxdoc}, 2011/02/04, v0.21,
-%           \url{http://ctan.org/pkg/holtxdoc}
+% \item[-] package \xpackage{holtxdoc}, 2012/03/21, v0.24,
+%           \url{https://www.ctan.org/pkg/holtxdoc}
 %
-% \item[-] package \xpackage{hypdoc}, 2010/03/26, v1.9,
-%           \url{http://ctan.org/pkg/hypdoc}
+% \item[-] package \xpackage{hypdoc}, 2011/08/19, v1.11,
+%           \url{https://www.ctan.org/pkg/hypdoc}
 % \end{description}
 %
 % \DescribeMacro{undolabl.sty}
 % The |undolabl.sty| for \LaTeXe{} (i.\,e.~each document using
 % the \xpackage{undolabl} package) requires:
 % \begin{description}
-% \item[-] \TeX{} Format \LaTeXe{}, \url{http://www.CTAN.org/}
+% \item[-] \TeX{} Format \LaTeXe{}, \url{https://www.CTAN.org}
 % \end{description}
 %
 % \DescribeMacro{undolabl-example.tex}
 % The |undolabl-example.tex| requires the same files as all
 % documents using the \xpackage{undolabl} package and additionally:
 % \begin{description}
-% \item[-] class \xpackage{article}, 2007/10/19, v1.4h, from \xpackage{classes.dtx}:\\
-%           \CTAN{macros/latex/base/classes.dtx}
+% \item[-] class \xpackage{article}, 2014/09/29, v1.4h,
+%            \url{https://www.ctan.org/pkg/article}
 %
-%  \item[-] package \xpackage{hyperref}, 2011/12/04,~v6.82m:
-%           \url{http://ctan.org/pkg/hyperref},\\
-%            if |\nameref| shall be used\\
-%            (and when the references shall be hyperlinked, of course)
+% \item[-] package \xpackage{hyperref}, 2012/11/06, v6.83m:
+%            \url{https://www.ctan.org/pkg/hyperref},
+%            if |\nameref| shall be used (and when the references
+%            shall be hyperlinked, of course)
 %
-% \item[-] package \xpackage{undolabl}, 2012/01/01, v1.0k,
-%           \url{http://ctan.org/pkg/undolabl}\\
+% \item[-] package \xpackage{undolabl}, 2015/03/29, v1.0l,
+%            \url{https://www.ctan.org/pkg/undolabl}\\
 %   (Well, it is the example file for this package, and because you are reading
 %    the documentation for the \xpackage{undolabl} package, it can be assumed
 %    that you already have some version of it -- is it the current one?)
@@ -777,37 +822,29 @@ name-reference: \nameref{testlabel}%% -> Still another test
 % All packages of \textsc{Heiko Oberdiek}'s bundle `oberdiek'
 % (especially \xpackage{holtxdoc} and \xpackage{hypdoc})
 % are also available in a TDS compliant ZIP archive:\\
-% \CTAN{install/macros/latex/contrib/oberdiek.tds.zip}.\\
+% \url{http://mirrors.ctan.org/install/macros/latex/contrib/oberdiek.tds.zip}.\\
 % It is probably best to download and use this, because the packages in there
 % are quite probably both recent and compatible among themselves.\\
 %
 % \DescribeMacro{hyperref}
-% \noindent \xpackage{hyperref} is not included in that bundle and needs to be
+% \xpackage{hyperref} is not included in that bundle and needs to be
 % downloaded separately,\\
 % \url{http://mirror.ctan.org/install/macros/latex/contrib/hyperref.tds.zip}.\\
 %
 % \DescribeMacro{M\"{u}nch}
-% A hyperlinked list of my (other) packages can be found at
-% \url{http://www.Uni-Bonn.de/~uzs5pv/LaTeX.html}.\\
+% A hyperlinked list of my (other) packages can be found at\\
+% \url{https://www.ctan.org/author/muench-hm}.
 %
 % \pagebreak
+%
 % \subsection{Package, unpacking TDS}
-% \paragraph{Package.} This package is available on \CTAN{}
-% \begin{description}
-% \item[\CTAN{macros/latex/contrib/undolabl/undolabl.dtx}]\hspace*{0.1cm} \\
-%           The source file.
-% \item[\CTAN{macros/latex/contrib/undolabl/undolabl.pdf}]\hspace*{0.1cm} \\
-%           The documentation.
-% \item[\CTAN{macros/latex/contrib/undolabl/undolabl-example.pdf}]\hspace*{0.1cm} \\
-%           The compiled example file, as it should look like.
-% \item[\CTAN{macros/latex/contrib/undolabl/README}]\hspace*{0.1cm} \\
-%           The README file.
-% \end{description}
+% \paragraph{Package.} This package is available at
+% \url{https://www.ctan.org/pkg/undolabl}, especially
+% the manual (README, undolabl.pdf), the example (source: undolabl-example.tex,
+% compiled: undolabl-example.pdf), and the undolabl.dtx. 
 % There is also an undolabl.tds.zip available:
-% \begin{description}
-% \item[\CTAN{install/macros/latex/contrib/undolabl.tds.zip}]\hspace*{0.1cm} \\
-%       Everything in \xfile{TDS} compliant, compiled format.
-% \end{description}
+% \url{http://mirrors.ctan.org/install/macros/latex/contrib/undolabl.tds.zip}
+% (everything in \xfile{TDS} compliant, compiled format),
 % which additionally contains\\
 % \begin{tabular}{ll}
 % undolabl.ins & The installation file.\\
@@ -827,7 +864,7 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %   \verb|tex undolabl.dtx|
 % \end{quote}
 %
-% About generating the documentation see paragraph~\ref{GenDoc} below.\\
+% \noindent About generating the documentation see paragraph~\ref{GenDoc} below.\\
 %
 % \paragraph{TDS.} Now the different files must be moved into
 % the different directories in your installation TDS tree
@@ -952,45 +989,47 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %
 % \section{Acknowledgements}
 %
-% The main code of this package was invented by \textbf{Ulrich Diez}
-% (\texttt{eu\_angelion@web.de}) and first published in the \Newsgroup{comp.text.tex}
-% newsgroup at\\
+% The main code of this package was invented by \\
+% \textbf{ULRICH DIEZ} (\texttt{eu\_angelion@web.de})\\
+% and first published in the \Newsgroup{comp.text.tex} newsgroup at\\
 % \texttt{Sun,~20~Apr~2008~16:39:26~+0200}, with subject:\\
 % \texttt{Re:~How~to~undefine/overwrite~a~label?} (see e.\,g.
 % \url{http://groups.google.de/group/comp.text.tex/msg/5ba8d4722e5cd326?dmode=source}
 % as well as \linebreak
 % \url{http://groups.google.de/group/comp.text.tex/msg/af6cfe93917097da?dmode=source}).\\
-% I (\textsc{H.-Martin M\"{u}nch}) would like to thank \textsc{Ulrich Diez}
-% for this as well as for his permission to publish it on \CTAN{} as well as
+% I (\textsc{H.-Martin M\"{u}nch}) would like to thank \textbf{ULRICH DIEZ}
+% for this as well as for his permission to publish it on CTAN as well as
 % for his bug reports.
 % I also thank those anonymous people who had published the package somewhere else
 % on the internet, where I found it first.
 % Further I would like to thank \textsc{Rainer Wintermute} for explaining the
 % |\CheckSum|, \textsc{Heiko Oberdiek} for providing a~lot~(!) of useful packages
 % (from which I also got everything I know about creating a file in \xfile{dtx} format,
-% OK, say it: copying), \textsc{Robin Fairbairns} and everybody of the \CTAN{} team
-% for managing \CTAN{}, and the \Newsgroup{comp.text.tex} and \Newsgroup{de.comp.text.tex}
+% OK, say it: copying), \textsc{Robin Fairbairns} and everybody of the CTAN team
+% for managing CTAN, and the \Newsgroup{comp.text.tex} and \Newsgroup{de.comp.text.tex}
 % newsgroups for their help in all things \TeX{}.
 %
 % \pagebreak
 %
 % \phantomsection
 % \begin{History}\label{History}
+%
+% Some old versions have been archived at\\
+% \url{http://ctanhg.scharrer-online.de/pkg/undolabl.html}.
+%
 %   \begin{Version}{2008/04/20 v0.3(a)}
-%     \item created by \textsc{Ulrich Diez}
+%     \item created by \textbf{ULRICH DIEZ}
 %   \end{Version}
 %   \begin{Version}{2010/04/08  v0.3b}
 %     \item \xfile{.dtx} updated by \textsc{H.-Martin M\"{u}nch},
-%            submitted to \CTAN{}\\
-%            (no changes in the style code).
+%            submitted to CTAN (no changes in the style code).
 %   \end{Version}
 %   \begin{Version}{2010/06/01 v1.0(a)}
-%     \item \xfile{.dtx} updated by \textsc{H.-Martin M\"{u}nch}: some minor
-%            corrections in the documentation, an internal renaming for possible
-%            better compatibility with other packages.
-%     \item The main code of this package was invented in 2008 by \textsc{Ulrich Diez}
+%     \item \xfile{.dtx} updated: some minor corrections in the documentation,
+%            an internal renaming for possible better compatibility with other packages.
+%     \item The main code of this package was invented in 2008 by \textbf{ULRICH DIEZ}
 %            (\texttt{eu\_angelion@web.de}) and published on the internet.
-%            Because \textsc{Ulrich Diez} neither wanted to create a package himself yet
+%            Because \textbf{ULRICH DIEZ} neither wanted to create a package himself yet
 %            nor have one published under his name,
 %            but granted the publication of his code (Thanks!),
 %            I had to change author/maintainer of this package and resubmit it.
@@ -1009,23 +1048,19 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %     \item Updated references to other packages: \xpackage{hyperref} and
 %             \xpackage{pagesLTS} (which has been renamed to \xpackage{pageslts}
 %             and is no longer referenced since v1.0h).
-%     \item Added a list of my other packages.
 %   \end{Version}
 %   \begin{Version}{2010/07/15 v1.0d}
-%     \item There was another update by \textsc{Ulrich Diez} on
+%     \item There was another update by \textbf{ULRICH DIEZ} on
 %             \Newsgroup{comp.text.tex} at
 %             \texttt{Mon,~21~Apr~2008~23:04:03~+0200}, see e.\,g.\\
 %             \url{http://groups.google.de/group/comp.text.tex/msg/af6cfe93917097da?dmode=source},
 %             which now has been included in this package.
-%     \item Put more emphasis on \textbf{Ulrich Diez} writing the initial code.
-%     \item Updated references to other packages: \xpackage{hyperref} and
-%             \xpackage{pagesLTS} (which has been renamed to \xpackage{pageslts}
-%             and is no longer referenced since v1.0h).
-%     \item Corrected the given location of the \textsf{undolabl.tds.zip} file
-%             at \CTAN{}.
+%     \item Put more emphasis on \textbf{ULRICH DIEZ} writing the initial code.
+%     \item Updated references to other packages and corrected the given location
+%             of the \textsf{undolabl.tds.zip} file at CTAN.org.
 %   \end{Version}
 %   \begin{Version}{2010/07/25 v1.0e}
-%     \item Bugs reported by \textsc{Ulrich Diez} on \Newsgroup{comp.text.tex} at\\
+%     \item Bugs reported by \textbf{ULRICH DIEZ} on \Newsgroup{comp.text.tex} at\\
 %             \texttt{Sat,~17~Jul~2010~12:27:10~+0200},
 %             subject \texttt{Re:~CTAN~Update:~undolabl}, see e.\,g.
 %             \url{http://groups.google.com/group/comp.text.tex/msg/d366821ce4f8b62e?dmode=source},
@@ -1046,9 +1081,6 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %   \begin{Version}{2011/02/01 v1.0h}
 %     \item Updated to new version of the \xpackage{hyperref} package.
 %     \item Removed |/muench/| from the path at diverse locations.
-%     \item Replaced the list of my packages with a link to a web page list of
-%             those, which has the advantage of showing the recent versions of
-%             all those packages.
 %     \item Some small changes.
 %   \end{Version}
 %   \begin{Version}{2011/06/26 v1.0i}
@@ -1070,11 +1102,17 @@ name-reference: \nameref{testlabel}%% -> Still another test
 %             but was recovered now).
 %     \item Update of documentation, README, and \xfile{dtx} internals.
 %   \end{Version}
+%   \begin{Version}{2015/03/29 v1.0l}
+%     \item Incompatibility with \textsf{acronym} package fixed --
+%             by \textsf{acronym} package, thanks! Check for older versions introduced.
+%     \item Introduced a check, whether writing to the \xfile{aux} file is allowed.
+%     \item Update of documentation, README, and \xfile{dtx} internals.
+%   \end{Version}
 % \end{History}
 %
 % \bigskip
 %
-% When you find a mistake or have a suggestion for an improvement of this package,
+% \noindent When you find a mistake or have a suggestion for an improvement of this package,
 % please send an e-mail to the maintainer, thanks! (Please see BUG REPORTS in the README.)
 %
 % \bigskip
diff --git a/Master/texmf-dist/source/latex/undolabl/undolabl.ins b/Master/texmf-dist/source/latex/undolabl/undolabl.ins
index a54114d2c9d..f2dc12a2fc9 100644
--- a/Master/texmf-dist/source/latex/undolabl/undolabl.ins
+++ b/Master/texmf-dist/source/latex/undolabl/undolabl.ins
@@ -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
@@ -49,11 +50,16 @@
 %%    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
+%% 
 \input docstrip.tex
-\Msg{**************************************************************}
-\Msg{* Installation                                               *}
-\Msg{* Package: undolabl 2012/01/01 v1.0k Overriding labels (HMM) *}
-\Msg{**************************************************************}
+\Msg{************************************************************}
+\Msg{* Installation}
+\Msg{* Package: undolabl 2015/03/29 v1.0l Overriding labels (HMM)}
+\Msg{************************************************************}
 
 \keepsilent
 \askforoverwritefalse
@@ -64,9 +70,9 @@
 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.
 
@@ -89,9 +95,10 @@ This work has the LPPL maintenance status "maintained".
 
 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
@@ -104,6 +111,11 @@ the README, and the derived files
    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
+
 \endpreamble
 \let\MetaPrefix\DoubleperCent
 
@@ -123,7 +135,7 @@ the README, and the derived files
 \Msg{* To finish the installation you have to move the following}
 \Msg{* file into a directory searched by TeX:}
 \Msg{*}
-\Msg{*     undolabl.sty}
+\Msg{*  undolabl.sty}
 \Msg{*}
 \Msg{* To produce the documentation run the file `undolabl.drv'}
 \Msg{* through (pdf)LaTeX, e.g.}