5 files changed, 62 insertions, 55 deletions
diff --git a/Master/texmf-dist/doc/latex/booktabs/README b/Master/texmf-dist/doc/latex/booktabs/README
index 94a47a0d477..506d51b74ca 100644
--- a/Master/texmf-dist/doc/latex/booktabs/README
+++ b/Master/texmf-dist/doc/latex/booktabs/README
@@ -13,20 +13,18 @@ This package provide some additional commands to enhance
 the quality of tables in LaTeX. Guidelines are given as
 to what constitutes a good table in this context.
 
-Copyright:  (C) 1995--2019 Simon Fear
-Licence:    GPL
+Copyright:  (C) 1995--2020 Simon Fear
+Licence:    LPPL
 
 FILES IN DISTRIBUTION
 =====================
 
    BASE DISTRIBUTION:
 
-      README.md     This file.
+      README        This file.
       booktabs.ins  Package installation file.
       booktabs.dtx  Package source file.
 
-   STYLE FILE
-
       booktabs.sty  Package style file. It was produced by
                     executing "latex booktabs.ins".
 
diff --git a/Master/texmf-dist/doc/latex/booktabs/booktabs.pdf b/Master/texmf-dist/doc/latex/booktabs/booktabs.pdf
index ab17c10ee9f..b7ef2a8e40f 100644
--- a/Master/texmf-dist/doc/latex/booktabs/booktabs.pdf
+++ b/Master/texmf-dist/doc/latex/booktabs/booktabs.pdf
diff --git a/Master/texmf-dist/source/latex/booktabs/booktabs.dtx b/Master/texmf-dist/source/latex/booktabs/booktabs.dtx
index de915565e72..969e3b32906 100644
--- a/Master/texmf-dist/source/latex/booktabs/booktabs.dtx
+++ b/Master/texmf-dist/source/latex/booktabs/booktabs.dtx
@@ -1,22 +1,21 @@
 % \iffalse (meta-comment)
 % -----------------------------------------------------------------
 % booktabs.dtx
-% Copyright (C) 1995--2019 Simon Fear
+% Copyright (C) 1995--2020 Simon Fear
 % Maintained by Danie Els <dnjels@gmail.com>
 %
 % This file is part of the booktabs package for publication
 % quality tables for LaTeX
 % -----------------------------------------------------------------
 %
-% This file may be distributed and/or modified under the
-% conditions of the LaTeX Project Public License, either version 1.3
-% of this license or (at your option) any later version.
-% The latest version of this license is in:
+% This work may be distributed and/or modified under the conditions
+% of the LaTeX Project Public License, either version 1.3c of this
+% license or (at your option) any later version. The latest version
+% of this license is in
+% http://www.latex-project.org/lppl.txt
+% and version 1.3c or later is part of all distributions of LaTeX
+% version 2008/05/04 or later.
 %
-%    http://www.latex-project.org/lppl.txt
-%
-% and version 1.3 or later is part of all distributions of LaTeX
-% version 2005/12/01 or later.
 % -----------------------------------------------------------------
 % \fi
 %
@@ -27,12 +26,12 @@
 %<package>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
 %<package>\ProvidesPackage{booktabs}
 %<*package>
-    [2019/10/08 v1.6180339 publication quality tables]
+    [2020/01/12 v1.61803398 Publication quality tables]
 %</package>
 %
 %<*driver>
 \documentclass{ltxdoc}
-  \usepackage{booktabs}[2019/10/08]
+  \usepackage{booktabs}[2020/01/12]
   \EnableCrossrefs
   \CodelineIndex
   \RecordChanges
@@ -48,7 +47,7 @@
 %</driver>
 % \fi
 %
-% \CheckSum{497}
+% \CheckSum{489}
 % \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
@@ -91,7 +90,7 @@
 % Releases (Versions 1.618, 1.6180, 1.61803 and 1.618033) are
 % only bug patches, support for the =colortbl= package and better
 % compatability with =longtable=.\footnote{By Danie Els
-%  (\texttt{dnjels@gmail.com}) in the absence of the author.}
+%  (\texttt{dnjels@sun.ac.za}) in the absence of the author.}
 % \end{abstract}
 %
 % \bigskip
@@ -747,6 +746,7 @@
 % All the rules (except =\addlinespace=) share this code.
 % \changes{v1.618033}{2016/04/27}{Rearranged and added \cmd{\nobreak} within longtable (Morten H{\o}gholm)}
 % \changes{v1.6180339}{2019/10/08}{Add test for xltabular (Herbert Voss)}
+% \changes{v1.61803398}{2020/01/12}{Restore \cmd{\@BTrule} to v1.618033 (Danie Els) }
 %    \begin{macrocode}
 \def\@BTrule[#1]{%
 %    \end{macrocode}
@@ -772,11 +772,8 @@
     \nobreak
     \let\@BTswitch\@BLTrule
   \else
-     \ifx\xltabular\undefined     
-        \let\@BTswitch\@BTnormal  
-     \else
-        \let\@BTswitch\@BLTrule 
-  \fi\fi\fi
+    \let\@BTswitch\@BTnormal
+  \fi\fi
 %    \end{macrocode}
 % Call =\@BTswitch= at end of macro
 %    \begin{macrocode}
diff --git a/Master/texmf-dist/source/latex/booktabs/booktabs.ins b/Master/texmf-dist/source/latex/booktabs/booktabs.ins
index e1bd227c156..0c6ccbb5468 100644
--- a/Master/texmf-dist/source/latex/booktabs/booktabs.ins
+++ b/Master/texmf-dist/source/latex/booktabs/booktabs.ins
@@ -5,42 +5,53 @@
 %% TeX.
 %% --------------------------------------------------------------------
 %%
-%% Copyright (C) 1995--2019 Simon Fear
-%% Maintained by Danie Els <dnjels@sun.ac.za>
+%% Copyright (C) 1995--2020 Simon Fear
 %%
 %% This file is part of the booktabs package for publication quality
 %% tables for LaTeX
 %% --------------------------------------------------------------------
 %%
-%% This file may be distributed and/or modified under the conditions of
-%% the LaTeX Project Public License, either version 1.3 of this license
-%% or (at your option) any later version.  The latest version of this
-%% license is in:
+%% This work may be distributed and/or modified under the conditions
+%% of the LaTeX Project Public License, either version 1.3c of this
+%% license or (at your option) any later version. The latest version
+%% of this license is in
+%%      http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2008/05/04 or later.
 %%
-%%    http://www.latex-project.org/lppl.txt
+%% This work has the LPPL maintenance status 'Maintained'.
 %%
-%% and version 1.3 or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% This Current Maintainer of this work is Danie Els (dnjels@gmail.com)
 %%
+%% This package consists of the files: booktabs.dtx
+%%                                     booktabs.ins
+%%              and the derived files: booktabs.cls
+%%
+%% --------------------------------------------------------------------
+
 
 \input docstrip.tex
 \keepsilent
 
-\usedir{tex/latex/booktabs}
+\usedir{tex/latex/skeleton}
 
 \preamble
 
-Copyright (C) 1995--2019 Simon Fear
-Maintained by Danie Els <dnjels@sun.ac.za>
+Copyright (C) 1995--2020 Simon Fear
+Maintained by Danie Els <dnjels@gmail.com>
 
-This file may be distributed and/or modified under the conditions of the
-LaTeX Project Public License, either version 1.3 of this license or (at your
-option) any later version.  The latest version of this license is in:
+-----------------------------------------------------------------
+ The booktabs package for publication  quality tables for LaTeX
+-----------------------------------------------------------------
 
-   http://www.latex-project.org/lppl.txt
+This work may be distributed and/or modified under the conditions
+of the LaTeX Project Public License, either version 1.3c of this
+license or (at your option) any later version. The latest version
+of this license is in
+  http://www.latex-project.org/lppl.txt
+and version 1.3c or later is part of all distributions of LaTeX
+version 2008/05/04 or later.
 
-and version 1.3 or later is part of all distributions of LaTeX version
-2005/12/01 or later.
 -----------------------------------------------------------------
 \endpreamble
 
diff --git a/Master/texmf-dist/tex/latex/booktabs/booktabs.sty b/Master/texmf-dist/tex/latex/booktabs/booktabs.sty
index 65f77740e75..c32cf7e1631 100644
--- a/Master/texmf-dist/tex/latex/booktabs/booktabs.sty
+++ b/Master/texmf-dist/tex/latex/booktabs/booktabs.sty
@@ -6,21 +6,25 @@
 %%
 %% booktabs.dtx  (with options: `package')
 %% 
-%% Copyright (C) 1995--2019 Simon Fear
-%% Maintained by Danie Els <dnjels@sun.ac.za>
+%% Copyright (C) 1995--2020 Simon Fear
+%% Maintained by Danie Els <dnjels@gmail.com>
 %% 
-%% This file may be distributed and/or modified under the conditions of the
-%% LaTeX Project Public License, either version 1.3 of this license or (at your
-%% option) any later version.  The latest version of this license is in:
+%% -----------------------------------------------------------------
+%%  The booktabs package for publication  quality tables for LaTeX
+%% -----------------------------------------------------------------
 %% 
-%%    http://www.latex-project.org/lppl.txt
+%% This work may be distributed and/or modified under the conditions
+%% of the LaTeX Project Public License, either version 1.3c of this
+%% license or (at your option) any later version. The latest version
+%% of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2008/05/04 or later.
 %% 
-%% and version 1.3 or later is part of all distributions of LaTeX version
-%% 2005/12/01 or later.
 %% -----------------------------------------------------------------
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesPackage{booktabs}
-    [2019/10/08 v1.6180339 publication quality tables]
+    [2020/01/12 v1.61803398 Publication quality tables]
 \newdimen\heavyrulewidth
 \newdimen\lightrulewidth
 \newdimen\cmidrulewidth
@@ -84,11 +88,8 @@
     \nobreak
     \let\@BTswitch\@BLTrule
   \else
-     \ifx\xltabular\undefined
-        \let\@BTswitch\@BTnormal
-     \else
-        \let\@BTswitch\@BLTrule
-  \fi\fi\fi
+    \let\@BTswitch\@BTnormal
+  \fi\fi
   \global\@thisrulewidth=#1\relax
   \ifnum\@thisruleclass=\tw@\vskip\@aboverulesep\else
   \ifnum\@lastruleclass=\z@\vskip\@aboverulesep\else