latex2e (4oct19)

git-svn-id: svn://tug.org/texlive/trunk@52286 c570f23f-e606-0410-a88d-b1316a301751
author: Karl Berry <karl@freefriends.org> 2019-10-04 20:57:14 +0000
committer: Karl Berry <karl@freefriends.org> 2019-10-04 20:57:14 +0000
commit: 70aaae3b3c98fb6357c846ad54ce2367e9682f50 (patch)
tree: f0446e015c31510a11ada780ad4978dce03ad104 /Master/texmf-dist/tex/latex/base
parent: be53f9d0af947622afca67b99c89a90d5c08dbd4 (diff)
153 files changed, 2318 insertions, 719 deletions
diff --git a/Master/texmf-dist/tex/latex/base/alltt.sty b/Master/texmf-dist/tex/latex/base/alltt.sty
index a81033b7ffa..b8bdbfaa8a7 100644
--- a/Master/texmf-dist/tex/latex/base/alltt.sty
+++ b/Master/texmf-dist/tex/latex/base/alltt.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ansinew.def b/Master/texmf-dist/tex/latex/base/ansinew.def
index f3432d9cde5..484de43f2fa 100644
--- a/Master/texmf-dist/tex/latex/base/ansinew.def
+++ b/Master/texmf-dist/tex/latex/base/ansinew.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/applemac.def b/Master/texmf-dist/tex/latex/base/applemac.def
index e61082b5520..af60ed7bed6 100644
--- a/Master/texmf-dist/tex/latex/base/applemac.def
+++ b/Master/texmf-dist/tex/latex/base/applemac.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/article.cls b/Master/texmf-dist/tex/latex/base/article.cls
index a04b69387bb..58c3dcf18c1 100644
--- a/Master/texmf-dist/tex/latex/base/article.cls
+++ b/Master/texmf-dist/tex/latex/base/article.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -43,7 +43,7 @@
 %% extension .ins) which are part of the distribution.
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \ProvidesClass{article}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
  Standard LaTeX document class]
 \newcommand\@ptsize{}
 \newif\if@restonecol
diff --git a/Master/texmf-dist/tex/latex/base/article.sty b/Master/texmf-dist/tex/latex/base/article.sty
index 0915c7162c2..236aa3c42b0 100644
--- a/Master/texmf-dist/tex/latex/base/article.sty
+++ b/Master/texmf-dist/tex/latex/base/article.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ascii.def b/Master/texmf-dist/tex/latex/base/ascii.def
index d5b6494f1a3..a8c172bb41b 100644
--- a/Master/texmf-dist/tex/latex/base/ascii.def
+++ b/Master/texmf-dist/tex/latex/base/ascii.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/bezier.sty b/Master/texmf-dist/tex/latex/base/bezier.sty
index e7421c368a1..1c88ff25661 100644
--- a/Master/texmf-dist/tex/latex/base/bezier.sty
+++ b/Master/texmf-dist/tex/latex/base/bezier.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/bk10.clo b/Master/texmf-dist/tex/latex/base/bk10.clo
index 8dc38025722..d697237cf7d 100644
--- a/Master/texmf-dist/tex/latex/base/bk10.clo
+++ b/Master/texmf-dist/tex/latex/base/bk10.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{bk10.clo}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
       Standard LaTeX file (size option)]
 \renewcommand\normalsize{%
    \@setfontsize\normalsize\@xpt\@xiipt
@@ -52,7 +52,8 @@
    \belowdisplayskip \abovedisplayskip
    \let\@listi\@listI}
 \normalsize
-\newcommand\small{%
+\MakeRobust\normalsize
+\DeclareRobustCommand\small{%
    \@setfontsize\small\@ixpt{11}%
    \abovedisplayskip 8.5\p@ \@plus3\p@ \@minus4\p@
    \abovedisplayshortskip \z@ \@plus2\p@
@@ -63,7 +64,7 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\footnotesize{%
+\DeclareRobustCommand\footnotesize{%
    \@setfontsize\footnotesize\@viiipt{9.5}%
    \abovedisplayskip 6\p@ \@plus2\p@ \@minus4\p@
    \abovedisplayshortskip \z@ \@plus\p@
@@ -74,13 +75,13 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\scriptsize{\@setfontsize\scriptsize\@viipt\@viiipt}
-\newcommand\tiny{\@setfontsize\tiny\@vpt\@vipt}
-\newcommand\large{\@setfontsize\large\@xiipt{14}}
-\newcommand\Large{\@setfontsize\Large\@xivpt{18}}
-\newcommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
-\newcommand\huge{\@setfontsize\huge\@xxpt{25}}
-\newcommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
+\DeclareRobustCommand\scriptsize{\@setfontsize\scriptsize\@viipt\@viiipt}
+\DeclareRobustCommand\tiny{\@setfontsize\tiny\@vpt\@vipt}
+\DeclareRobustCommand\large{\@setfontsize\large\@xiipt{14}}
+\DeclareRobustCommand\Large{\@setfontsize\Large\@xivpt{18}}
+\DeclareRobustCommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
+\DeclareRobustCommand\huge{\@setfontsize\huge\@xxpt{25}}
+\DeclareRobustCommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
 \if@twocolumn
   \setlength\parindent{1em}
 \else
diff --git a/Master/texmf-dist/tex/latex/base/bk11.clo b/Master/texmf-dist/tex/latex/base/bk11.clo
index 778e3fdd754..ac0925f943c 100644
--- a/Master/texmf-dist/tex/latex/base/bk11.clo
+++ b/Master/texmf-dist/tex/latex/base/bk11.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{bk11.clo}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
       Standard LaTeX file (size option)]
 \renewcommand\normalsize{%
    \@setfontsize\normalsize\@xipt{13.6}%
@@ -52,7 +52,8 @@
    \belowdisplayskip \abovedisplayskip
    \let\@listi\@listI}
 \normalsize
-\newcommand\small{%
+\MakeRobust\normalsize
+\DeclareRobustCommand\small{%
    \@setfontsize\small\@xpt\@xiipt
    \abovedisplayskip 10\p@ \@plus2\p@ \@minus5\p@
    \abovedisplayshortskip \z@ \@plus3\p@
@@ -63,7 +64,7 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\footnotesize{%
+\DeclareRobustCommand\footnotesize{%
    \@setfontsize\footnotesize\@ixpt{11}%
    \abovedisplayskip 8\p@ \@plus2\p@ \@minus4\p@
    \abovedisplayshortskip \z@ \@plus\p@
@@ -74,13 +75,13 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
-\newcommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
-\newcommand\large{\@setfontsize\large\@xiipt{14}}
-\newcommand\Large{\@setfontsize\Large\@xivpt{18}}
-\newcommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
-\newcommand\huge{\@setfontsize\huge\@xxpt{25}}
-\newcommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
+\DeclareRobustCommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
+\DeclareRobustCommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
+\DeclareRobustCommand\large{\@setfontsize\large\@xiipt{14}}
+\DeclareRobustCommand\Large{\@setfontsize\Large\@xivpt{18}}
+\DeclareRobustCommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
+\DeclareRobustCommand\huge{\@setfontsize\huge\@xxpt{25}}
+\DeclareRobustCommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
 \if@twocolumn
   \setlength\parindent{1em}
 \else
diff --git a/Master/texmf-dist/tex/latex/base/bk12.clo b/Master/texmf-dist/tex/latex/base/bk12.clo
index f2e6010b7f9..0cf523d6d7f 100644
--- a/Master/texmf-dist/tex/latex/base/bk12.clo
+++ b/Master/texmf-dist/tex/latex/base/bk12.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{bk12.clo}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
       Standard LaTeX file (size option)]
 \renewcommand\normalsize{%
    \@setfontsize\normalsize\@xiipt{14.5}%
@@ -52,7 +52,8 @@
    \belowdisplayskip \abovedisplayskip
    \let\@listi\@listI}
 \normalsize
-\newcommand\small{%
+\MakeRobust\normalsize
+\DeclareRobustCommand\small{%
    \@setfontsize\small\@xipt{13.6}%
    \abovedisplayskip 11\p@ \@plus3\p@ \@minus6\p@
    \abovedisplayshortskip \z@ \@plus3\p@
@@ -63,7 +64,7 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\footnotesize{%
+\DeclareRobustCommand\footnotesize{%
    \@setfontsize\footnotesize\@xpt\@xiipt
    \abovedisplayskip 10\p@ \@plus2\p@ \@minus5\p@
    \abovedisplayshortskip \z@ \@plus3\p@
@@ -74,12 +75,12 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
-\newcommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
-\newcommand\large{\@setfontsize\large\@xivpt{18}}
-\newcommand\Large{\@setfontsize\Large\@xviipt{22}}
-\newcommand\LARGE{\@setfontsize\LARGE\@xxpt{25}}
-\newcommand\huge{\@setfontsize\huge\@xxvpt{30}}
+\DeclareRobustCommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
+\DeclareRobustCommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
+\DeclareRobustCommand\large{\@setfontsize\large\@xivpt{18}}
+\DeclareRobustCommand\Large{\@setfontsize\Large\@xviipt{22}}
+\DeclareRobustCommand\LARGE{\@setfontsize\LARGE\@xxpt{25}}
+\DeclareRobustCommand\huge{\@setfontsize\huge\@xxvpt{30}}
 \let\Huge=\huge
 \if@twocolumn
   \setlength\parindent{1em}
diff --git a/Master/texmf-dist/tex/latex/base/book.cls b/Master/texmf-dist/tex/latex/base/book.cls
index 80b53e1c918..9752aaa13d6 100644
--- a/Master/texmf-dist/tex/latex/base/book.cls
+++ b/Master/texmf-dist/tex/latex/base/book.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -43,7 +43,7 @@
 %% extension .ins) which are part of the distribution.
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \ProvidesClass{book}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
  Standard LaTeX document class]
 \newcommand\@ptsize{}
 \newif\if@restonecol
diff --git a/Master/texmf-dist/tex/latex/base/book.sty b/Master/texmf-dist/tex/latex/base/book.sty
index 6eaa6d3fde2..0175949c770 100644
--- a/Master/texmf-dist/tex/latex/base/book.sty
+++ b/Master/texmf-dist/tex/latex/base/book.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp1250.def b/Master/texmf-dist/tex/latex/base/cp1250.def
index 8279f3a5d32..e5337051daf 100644
--- a/Master/texmf-dist/tex/latex/base/cp1250.def
+++ b/Master/texmf-dist/tex/latex/base/cp1250.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp1252.def b/Master/texmf-dist/tex/latex/base/cp1252.def
index d6c0dbf7cce..354603eb29a 100644
--- a/Master/texmf-dist/tex/latex/base/cp1252.def
+++ b/Master/texmf-dist/tex/latex/base/cp1252.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp1257.def b/Master/texmf-dist/tex/latex/base/cp1257.def
index 9385f83f9fc..cb24705f37c 100644
--- a/Master/texmf-dist/tex/latex/base/cp1257.def
+++ b/Master/texmf-dist/tex/latex/base/cp1257.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp437.def b/Master/texmf-dist/tex/latex/base/cp437.def
index e255a4d8b9b..66355de257d 100644
--- a/Master/texmf-dist/tex/latex/base/cp437.def
+++ b/Master/texmf-dist/tex/latex/base/cp437.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp437de.def b/Master/texmf-dist/tex/latex/base/cp437de.def
index fd424b41ef5..e9bec16d5f1 100644
--- a/Master/texmf-dist/tex/latex/base/cp437de.def
+++ b/Master/texmf-dist/tex/latex/base/cp437de.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp850.def b/Master/texmf-dist/tex/latex/base/cp850.def
index 0c28d8acef5..14758199eed 100644
--- a/Master/texmf-dist/tex/latex/base/cp850.def
+++ b/Master/texmf-dist/tex/latex/base/cp850.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp852.def b/Master/texmf-dist/tex/latex/base/cp852.def
index d814e2d1653..62a0f88a9c0 100644
--- a/Master/texmf-dist/tex/latex/base/cp852.def
+++ b/Master/texmf-dist/tex/latex/base/cp852.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp858.def b/Master/texmf-dist/tex/latex/base/cp858.def
index 302bd44dd22..1003455ecfc 100644
--- a/Master/texmf-dist/tex/latex/base/cp858.def
+++ b/Master/texmf-dist/tex/latex/base/cp858.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/cp865.def b/Master/texmf-dist/tex/latex/base/cp865.def
index 3bbcfc262cd..a3c467400b3 100644
--- a/Master/texmf-dist/tex/latex/base/cp865.def
+++ b/Master/texmf-dist/tex/latex/base/cp865.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/decmulti.def b/Master/texmf-dist/tex/latex/base/decmulti.def
index fa878bc7353..13870475dbd 100644
--- a/Master/texmf-dist/tex/latex/base/decmulti.def
+++ b/Master/texmf-dist/tex/latex/base/decmulti.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/doc.sty b/Master/texmf-dist/tex/latex/base/doc.sty
index 5c76a4eecbb..54cd4f68de5 100644
--- a/Master/texmf-dist/tex/latex/base/doc.sty
+++ b/Master/texmf-dist/tex/latex/base/doc.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/docstrip.tex b/Master/texmf-dist/tex/latex/base/docstrip.tex
index 58eb8a1488c..e95411e1c9c 100644
--- a/Master/texmf-dist/tex/latex/base/docstrip.tex
+++ b/Master/texmf-dist/tex/latex/base/docstrip.tex
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/exscale.sty b/Master/texmf-dist/tex/latex/base/exscale.sty
index 8e114ba7a9d..031a4550673 100644
--- a/Master/texmf-dist/tex/latex/base/exscale.sty
+++ b/Master/texmf-dist/tex/latex/base/exscale.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fix-cm.sty b/Master/texmf-dist/tex/latex/base/fix-cm.sty
index d2d9b2aa0fe..568a2136840 100644
--- a/Master/texmf-dist/tex/latex/base/fix-cm.sty
+++ b/Master/texmf-dist/tex/latex/base/fix-cm.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fixltx2e.sty b/Master/texmf-dist/tex/latex/base/fixltx2e.sty
index 3454e2b4433..aee6b3e1ad4 100644
--- a/Master/texmf-dist/tex/latex/base/fixltx2e.sty
+++ b/Master/texmf-dist/tex/latex/base/fixltx2e.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/flafter.sty b/Master/texmf-dist/tex/latex/base/flafter.sty
index fde2f97d2e7..82976496950 100644
--- a/Master/texmf-dist/tex/latex/base/flafter.sty
+++ b/Master/texmf-dist/tex/latex/base/flafter.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fleqn.clo b/Master/texmf-dist/tex/latex/base/fleqn.clo
index 6f7fd55d38e..d37cdd54156 100644
--- a/Master/texmf-dist/tex/latex/base/fleqn.clo
+++ b/Master/texmf-dist/tex/latex/base/fleqn.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fleqn.sty b/Master/texmf-dist/tex/latex/base/fleqn.sty
index ded98b555c5..4f29b8a22bd 100644
--- a/Master/texmf-dist/tex/latex/base/fleqn.sty
+++ b/Master/texmf-dist/tex/latex/base/fleqn.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fltrace.sty b/Master/texmf-dist/tex/latex/base/fltrace.sty
index 8e7d53227a9..f8f11a5f417 100644
--- a/Master/texmf-dist/tex/latex/base/fltrace.sty
+++ b/Master/texmf-dist/tex/latex/base/fltrace.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fontenc.sty b/Master/texmf-dist/tex/latex/base/fontenc.sty
index 839a3f70a2b..70cf39b617c 100644
--- a/Master/texmf-dist/tex/latex/base/fontenc.sty
+++ b/Master/texmf-dist/tex/latex/base/fontenc.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/fontmath.cfg b/Master/texmf-dist/tex/latex/base/fontmath.cfg
index 229ae63e772..d10d1b1496a 100644
--- a/Master/texmf-dist/tex/latex/base/fontmath.cfg
+++ b/Master/texmf-dist/tex/latex/base/fontmath.cfg
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -37,7 +37,7 @@
 %% 
 %%% From File: fontdef.dtx
 \ProvidesFile{fontmath.cfg}
-           [2018/09/24 v3.0b LaTeX Kernel
+           [2019/09/21 v3.0d LaTeX Kernel
 (Uncustomised math
            font setup)]
 %%
diff --git a/Master/texmf-dist/tex/latex/base/fontmath.ltx b/Master/texmf-dist/tex/latex/base/fontmath.ltx
index 4b595a58f04..e541643638a 100644
--- a/Master/texmf-dist/tex/latex/base/fontmath.ltx
+++ b/Master/texmf-dist/tex/latex/base/fontmath.ltx
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -37,7 +37,7 @@
 %% 
 %%% From File: fontdef.dtx
 \ProvidesFile{fontmath.ltx}
-           [2018/09/24 v3.0b LaTeX Kernel
+           [2019/09/21 v3.0d LaTeX Kernel
 (Math
            font setup)]
 \typeout{=== Don't modify this file, use a .cfg file instead ===^^J}
@@ -213,7 +213,6 @@
 \DeclareMathSymbol{\Psi}{\mathalpha}{operators}{"09}
 \DeclareMathSymbol{\Omega}{\mathalpha}{operators}{"0A}
 \DeclareMathSymbol{\aleph}{\mathord}{symbols}{"40}
-\def\hbar{{\mathchar'26\mkern-9muh}}
 \DeclareMathSymbol{\imath}{\mathord}{letters}{"7B}
 \DeclareMathSymbol{\jmath}{\mathord}{letters}{"7C}
 \DeclareMathSymbol{\ell}{\mathord}{letters}{"60}
@@ -225,13 +224,8 @@
 \DeclareMathSymbol{\prime}{\mathord}{symbols}{"30}
 \DeclareMathSymbol{\emptyset}{\mathord}{symbols}{"3B}
 \DeclareMathSymbol{\nabla}{\mathord}{symbols}{"72}
-\def\surd{{\mathchar"1270}}
 \DeclareMathSymbol{\top}{\mathord}{symbols}{"3E}
 \DeclareMathSymbol{\bot}{\mathord}{symbols}{"3F}
-\def\angle{{\vbox{\ialign{$\m@th\scriptstyle##$\crcr
-      \not\mathrel{\mkern14mu}\crcr
-      \noalign{\nointerlineskip}
-      \mkern2.5mu\leaders\hrule \@height.34pt\hfill\mkern2.5mu\crcr}}}}
 \DeclareMathSymbol{\triangle}{\mathord}{symbols}{"34}
 \DeclareMathSymbol{\forall}{\mathord}{symbols}{"38}
 \DeclareMathSymbol{\exists}{\mathord}{symbols}{"39}
@@ -244,6 +238,12 @@
 \DeclareMathSymbol{\diamondsuit}{\mathord}{symbols}{"7D}
 \DeclareMathSymbol{\heartsuit}{\mathord}{symbols}{"7E}
 \DeclareMathSymbol{\spadesuit}{\mathord}{symbols}{"7F}
+\DeclareRobustCommand\hbar{{\mathchar'26\mkern-9muh}}
+\DeclareRobustCommand\surd{{\mathchar"1270}}
+\DeclareRobustCommand\angle{{\vbox{\ialign{$\m@th\scriptstyle##$\crcr
+      \not\mathrel{\mkern14mu}\crcr
+      \noalign{\nointerlineskip}
+      \mkern2.5mu\leaders\hrule \@height.34pt\hfill\mkern2.5mu\crcr}}}}
 \DeclareMathSymbol{\coprod}{\mathop}{largesymbols}{"60}
 \DeclareMathSymbol{\bigvee}{\mathop}{largesymbols}{"57}
 \DeclareMathSymbol{\bigwedge}{\mathop}{largesymbols}{"56}
@@ -251,14 +251,14 @@
 \DeclareMathSymbol{\bigcap}{\mathop}{largesymbols}{"54}
 \DeclareMathSymbol{\bigcup}{\mathop}{largesymbols}{"53}
 \DeclareMathSymbol{\intop}{\mathop}{largesymbols}{"52}
-    \def\int{\intop\nolimits}
+    \DeclareRobustCommand\int{\intop\nolimits}
 \DeclareMathSymbol{\prod}{\mathop}{largesymbols}{"51}
 \DeclareMathSymbol{\sum}{\mathop}{largesymbols}{"50}
 \DeclareMathSymbol{\bigotimes}{\mathop}{largesymbols}{"4E}
 \DeclareMathSymbol{\bigoplus}{\mathop}{largesymbols}{"4C}
 \DeclareMathSymbol{\bigodot}{\mathop}{largesymbols}{"4A}
 \DeclareMathSymbol{\ointop}{\mathop}{largesymbols}{"48}
-    \def\oint{\ointop\nolimits}
+    \DeclareRobustCommand\oint{\ointop\nolimits}
 \DeclareMathSymbol{\bigsqcup}{\mathop}{largesymbols}{"46}
 \DeclareMathSymbol{\smallint}{\mathop}{symbols}{"73}
 \DeclareMathSymbol{\triangleleft}{\mathbin}{letters}{"2F}
@@ -311,7 +311,8 @@
 \DeclareMathSymbol{\Leftrightarrow}{\mathrel}{symbols}{"2C}
 \DeclareMathSymbol{\Leftarrow}{\mathrel}{symbols}{"28}
 \DeclareMathSymbol{\Rightarrow}{\mathrel}{symbols}{"29}
-\def\neq{\not=} \let\ne=\neq
+\DeclareRobustCommand\neq{\not=}
+\DeclareRobustCommand\ne{\not=}
 \DeclareMathSymbol{\leq}{\mathrel}{symbols}{"14}
    \let\le=\leq
 \DeclareMathSymbol{\geq}{\mathrel}{symbols}{"15}
@@ -337,7 +338,7 @@
 \DeclareMathSymbol{\rightarrow}{\mathrel}{symbols}{"21}
    \let\to=\rightarrow
 \DeclareMathSymbol{\mapstochar}{\mathrel}{symbols}{"37}
-   \def\mapsto{\mapstochar\rightarrow}
+   \DeclareRobustCommand\mapsto{\mapstochar\rightarrow}
 \DeclareMathSymbol{\sim}{\mathrel}{symbols}{"18}
 \DeclareMathSymbol{\simeq}{\mathrel}{symbols}{"27}
 \DeclareMathSymbol{\perp}{\mathrel}{symbols}{"3F}
@@ -371,9 +372,9 @@
 \DeclareRobustCommand
   \Relbar{\mathrel{=}}
 \DeclareMathSymbol{\lhook}{\mathrel}{letters}{"2C}
-   \def\hookrightarrow{\lhook\joinrel\rightarrow}
+   \DeclareRobustCommand\hookrightarrow{\lhook\joinrel\rightarrow}
 \DeclareMathSymbol{\rhook}{\mathrel}{letters}{"2D}
-   \def\hookleftarrow{\leftarrow\joinrel\rhook}
+   \DeclareRobustCommand\hookleftarrow{\leftarrow\joinrel\rhook}
 \DeclareRobustCommand
   \bowtie{\mathrel\triangleright\joinrel\mathrel\triangleleft}
 \DeclareRobustCommand
@@ -420,35 +421,37 @@
 \DeclareMathAccent{\widehat}{\mathord}{largesymbols}{"62}
 \DeclareMathAccent{\mathring}{\mathalpha}{operators}{"17}
 \DeclareMathRadical{\sqrtsign}{symbols}{"70}{largesymbols}{"70}
-\def\overrightarrow#1{\vbox{\m@th\ialign{##\crcr
+\DeclareRobustCommand\overrightarrow[1]{\vbox{\m@th\ialign{##\crcr
       \rightarrowfill\crcr\noalign{\kern-\p@\nointerlineskip}
       $\hfil\displaystyle{#1}\hfil$\crcr}}}
-\def\overleftarrow#1{\vbox{\m@th\ialign{##\crcr
+\DeclareRobustCommand\overleftarrow[1]{\vbox{\m@th\ialign{##\crcr
       \leftarrowfill\crcr\noalign{\kern-\p@\nointerlineskip}%
       $\hfil\displaystyle{#1}\hfil$\crcr}}}
-\def\overbrace#1{\mathop{\vbox{\m@th\ialign{##\crcr\noalign{\kern3\p@}%
+\DeclareRobustCommand\overbrace[1]
+     {\mathop{\vbox{\m@th\ialign{##\crcr\noalign{\kern3\p@}%
       \downbracefill\crcr\noalign{\kern3\p@\nointerlineskip}%
       $\hfil\displaystyle{#1}\hfil$\crcr}}}\limits}
-\def\underbrace#1{\mathop{\vtop{\m@th\ialign{##\crcr
+\DeclareRobustCommand\underbrace[1]{\mathop{\vtop{\m@th\ialign{##\crcr
    $\hfil\displaystyle{#1}\hfil$\crcr
    \noalign{\kern3\p@\nointerlineskip}%
    \upbracefill\crcr\noalign{\kern3\p@}}}}\limits}
-\def\skew#1#2#3{{\muskip\z@#1mu\divide\muskip\z@\tw@ \mkern\muskip\z@
+\DeclareRobustCommand\skew[3]
+  {{\muskip\z@#1mu\divide\muskip\z@\tw@ \mkern\muskip\z@
     #2{\mkern-\muskip\z@{#3}\mkern\muskip\z@}\mkern-\muskip\z@}{}}
-\def\rightarrowfill{$\m@th\smash-\mkern-7mu%
+\DeclareRobustCommand\rightarrowfill{$\m@th\smash-\mkern-7mu%
   \cleaders\hbox{$\mkern-2mu\smash-\mkern-2mu$}\hfill
   \mkern-7mu\mathord\rightarrow$}
-\def\leftarrowfill{$\m@th\mathord\leftarrow\mkern-7mu%
+\DeclareRobustCommand\leftarrowfill{$\m@th\mathord\leftarrow\mkern-7mu%
   \cleaders\hbox{$\mkern-2mu\smash-\mkern-2mu$}\hfill
   \mkern-7mu\smash-$}
 \DeclareMathSymbol{\braceld}{\mathord}{largesymbols}{"7A}
 \DeclareMathSymbol{\bracerd}{\mathord}{largesymbols}{"7B}
 \DeclareMathSymbol{\bracelu}{\mathord}{largesymbols}{"7C}
 \DeclareMathSymbol{\braceru}{\mathord}{largesymbols}{"7D}
-\def\downbracefill{$\m@th \setbox\z@\hbox{$\braceld$}%
+\DeclareRobustCommand\downbracefill{$\m@th \setbox\z@\hbox{$\braceld$}%
   \braceld\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\braceru
   \bracelu\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\bracerd$}
-\def\upbracefill{$\m@th \setbox\z@\hbox{$\braceld$}%
+\DeclareRobustCommand\upbracefill{$\m@th \setbox\z@\hbox{$\braceld$}%
   \bracelu\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\bracerd
   \braceld\leaders\vrule \@height\ht\z@ \@depth\z@\hfill\braceru$}
 \DeclareMathDelimiter{\lmoustache}   % top from (, bottom from )
@@ -461,7 +464,8 @@
    {\mathord}{symbols}{"6B}{largesymbols}{"3D}
 \DeclareMathDelimiter{\Vert}
    {\mathord}{symbols}{"6B}{largesymbols}{"0D}
-\let\|=\Vert
+\DeclareMathDelimiter{\|}
+   {\mathord}{symbols}{"6B}{largesymbols}{"0D}
 \DeclareMathDelimiter{\vert}
    {\mathord}{symbols}{"6A}{largesymbols}{"0C}
 \DeclareMathDelimiter{\uparrow}
@@ -503,16 +507,16 @@
 \DeclareMathSymbol{\mathparagraph}{\mathord}{symbols}{"7B}
 \DeclareMathSymbol{\mathsection}{\mathord}{symbols}{"78}
 \DeclareMathSymbol{\mathdollar}{\mathord}{operators}{"24}
-\def\mathsterling{\mathit{\mathchar"7024}}
-\def\mathunderscore{\kern.06em\vbox{\hrule\@width.3em}}
-\def\mathellipsis{\mathinner{\ldotp\ldotp\ldotp}}%
-\def\big#1{\leavevmode@ifvmode
+\DeclareRobustCommand\mathsterling{\mathit{\mathchar"7024}}
+\DeclareRobustCommand\mathunderscore{\kern.06em\vbox{\hrule\@width.3em}}
+\DeclareRobustCommand\mathellipsis{\mathinner{\ldotp\ldotp\ldotp}}%
+\DeclareRobustCommand\big[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to8.5\p@{}\right.\n@space$}}}
-\def\Big#1{\leavevmode@ifvmode
+\DeclareRobustCommand\Big[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to11.5\p@{}\right.\n@space$}}}
-\def\bigg#1{\leavevmode@ifvmode
+\DeclareRobustCommand\bigg[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to14.5\p@{}\right.\n@space$}}}
-\def\Bigg#1{\leavevmode@ifvmode
+\DeclareRobustCommand\Bigg[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to17.5\p@{}\right.\n@space$}}}
 \def\n@space{\nulldelimiterspace\z@ \m@th}
 \def\operator@font{\mathgroup\symoperators}
diff --git a/Master/texmf-dist/tex/latex/base/fonttext.cfg b/Master/texmf-dist/tex/latex/base/fonttext.cfg
index 7688045b808..98dec75b27a 100644
--- a/Master/texmf-dist/tex/latex/base/fonttext.cfg
+++ b/Master/texmf-dist/tex/latex/base/fonttext.cfg
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -37,7 +37,7 @@
 %% 
 %%% From File: fontdef.dtx
 \ProvidesFile{fonttext.cfg}
-           [2018/09/24 v3.0b LaTeX Kernel
+           [2019/09/21 v3.0d LaTeX Kernel
 (Uncustomised text
            font setup)]
 %%
diff --git a/Master/texmf-dist/tex/latex/base/fonttext.ltx b/Master/texmf-dist/tex/latex/base/fonttext.ltx
index 403bf445c89..97171555634 100644
--- a/Master/texmf-dist/tex/latex/base/fonttext.ltx
+++ b/Master/texmf-dist/tex/latex/base/fonttext.ltx
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -37,7 +37,7 @@
 %% 
 %%% From File: fontdef.dtx
 \ProvidesFile{fonttext.ltx}
-           [2018/09/24 v3.0b LaTeX Kernel
+           [2019/09/21 v3.0d LaTeX Kernel
 (Text
            font setup)]
 \typeout{=== Don't modify this file, use a .cfg file instead ===^^J}
diff --git a/Master/texmf-dist/tex/latex/base/graphpap.sty b/Master/texmf-dist/tex/latex/base/graphpap.sty
index 13843220fbd..5120d3ee7e8 100644
--- a/Master/texmf-dist/tex/latex/base/graphpap.sty
+++ b/Master/texmf-dist/tex/latex/base/graphpap.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/hyphen.ltx b/Master/texmf-dist/tex/latex/base/hyphen.ltx
index 7f16799dbbd..6d9482110c4 100644
--- a/Master/texmf-dist/tex/latex/base/hyphen.ltx
+++ b/Master/texmf-dist/tex/latex/base/hyphen.ltx
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/idx.tex b/Master/texmf-dist/tex/latex/base/idx.tex
index 69b8af2c231..1d74b1fca0d 100644
--- a/Master/texmf-dist/tex/latex/base/idx.tex
+++ b/Master/texmf-dist/tex/latex/base/idx.tex
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
+% Copyright (C) 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/ifthen.sty b/Master/texmf-dist/tex/latex/base/ifthen.sty
index 25d7103275e..09e4387d97a 100644
--- a/Master/texmf-dist/tex/latex/base/ifthen.sty
+++ b/Master/texmf-dist/tex/latex/base/ifthen.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/inputenc.sty b/Master/texmf-dist/tex/latex/base/inputenc.sty
index 9a9e87ae3c0..91b9b59a45c 100644
--- a/Master/texmf-dist/tex/latex/base/inputenc.sty
+++ b/Master/texmf-dist/tex/latex/base/inputenc.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/lablst.tex b/Master/texmf-dist/tex/latex/base/lablst.tex
index 241090e53e6..fd65579713d 100644
--- a/Master/texmf-dist/tex/latex/base/lablst.tex
+++ b/Master/texmf-dist/tex/latex/base/lablst.tex
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
+% Copyright (C) 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/latex.ltx b/Master/texmf-dist/tex/latex/base/latex.ltx
index 23ef93d9f88..a235b07c5af 100644
--- a/Master/texmf-dist/tex/latex/base/latex.ltx
+++ b/Master/texmf-dist/tex/latex/base/latex.ltx
@@ -49,7 +49,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -62,7 +62,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -700,8 +700,9 @@
 %%% From File: ltvers.dtx
 \def\fmtname{LaTeX2e}
 \edef\fmtversion
-   {2018-12-01}
+   {2019-10-01}
 \def\patch@level{0}
+\edef\development@branch@name{}
 \iffalse
 \def\reserved@a#1/#2/#3\@nil{%
   \count@\year
@@ -738,15 +739,28 @@
     \write16{\fmtname \space<\fmtversion> patch level \patch@level}
   \else
     \everyjob\expandafter{\the\everyjob
-      \typeout{\fmtname \space<\fmtversion> pre-release\patch@level}}
+      \typeout{\fmtname \space<\fmtversion> pre-release\patch@level
+        \ifx\development@branch@name\@undefined  \else
+          \ifx\development@branch@name\@empty  \else
+            \space (\development@branch@name\space branch)%
+          \fi
+        \fi
+    }}
     \immediate
-    \write16{\fmtname \space<\fmtversion> pre-release\patch@level}
+    \write16{\fmtname \space<\fmtversion> pre-release\patch@level
+        \ifx\development@branch@name\@undefined  \else
+          \ifx\development@branch@name\@empty  \else
+            \space (\development@branch@name\space branch)%
+          \fi
+        \fi
+    }
     \fi
   \fi
 \let\@currname\@empty
 \def\IncludeInRelease#1{%
  \if@includeinrelease
-  \PackageError{latexrelease}{mis-matched IncludeInRelease}{}%
+   \PackageError{latexrelease}{mis-matched IncludeInRelease}%
+                {There is an \string\EndIncludeRelease\space missing}%
   \@includeinreleasefalse
   \fi
   \kernel@ifnextchar[%
@@ -783,7 +797,7 @@
 \long\def\@check@IncludeInRelease#1\IncludeInRelease
                                    #2#3\@end@check@IncludeInRelease{%
   \ifx\@check@IncludeInRelease#2\else
-    \PackageError{latexrelease}{skipped IncludeInRelease}{}%
+    \PackageError{latexrelease}{skipped IncludeInRelease for tag \string#2}{}%
   \fi}
 %%% From File: ltdefns.dtx
 \def\two@digits#1{\ifnum#1<10 0\fi\number#1}
@@ -1037,12 +1051,12 @@
   {%
     \@ifundefined{\expandafter\@gobble\string#1\space}%
     {%
-      \expandafter\let\csname
+      \global\expandafter\let\csname
       \expandafter\@gobble\string#1\space\endcsname=#1%
       \edef\reserved@a{\string#1}%
       \def\reserved@b{#1}%
       \edef\reserved@b{\expandafter\strip@prefix\meaning\reserved@b}%
-      \edef#1{%
+      \xdef#1{%
         \ifx\reserved@a\reserved@b
           \noexpand\x@protect\noexpand#1%
         \fi
@@ -1052,6 +1066,17 @@
     {\@latex@info{The control sequence `\string#1' is already robust}}%
    }%
 }%
+
+\def\kernel@make@fragile#1{%
+  \@ifundefined{\expandafter\@gobble\string#1\space}%
+     {}%
+     {%
+      \global\expandafter\let\expandafter #1\csname
+      \expandafter\@gobble\string#1\space\endcsname
+      \global\expandafter\let\csname
+      \expandafter\@gobble\string#1\space\endcsname\@undefined
+     }%
+}
 \def\@ifundefined#1{%
   \ifcsname#1\endcsname\@ifundefin@d@i\else\@ifundefin@d@ii\fi{#1}}
 \long\def\@ifundefin@d@i#1\fi#2{\fi
@@ -1098,9 +1123,6 @@
   \reserved@c}
 \def\:{\let\@sptoken= } \:  % this makes \@sptoken a space token
 \def\:{\@xifnch} \expandafter\def\: {\futurelet\@let@token\@ifnch}
-
-\def\makeatletter{\catcode`\@11\relax}
-\def\makeatother{\catcode`\@12\relax}
 \def\@ifstar#1{\@ifnextchar *{\@firstoftwo{#1}}}
 \long\def\@dblarg#1{\kernel@ifnextchar[{#1}{\@xdblarg{#1}}}
 \long\def\@xdblarg#1#2{#1[{#2}]{#2}}
@@ -1110,6 +1132,9 @@
   \edef #1{\expandafter\strip@prefix
            \meaning #1}%
 }
+\DeclareRobustCommand\makeatletter{\catcode`\@11\relax}
+\DeclareRobustCommand\makeatother{\catcode`\@12\relax}
+
 \def\@latex@info#1{}
 \DeclareRobustCommand{\-}{%
   \discretionary{%
@@ -1123,6 +1148,22 @@
 \let\@dischyph=\-
 \newif\if@includeinrelease
 \@includeinreleasefalse
+\MakeRobust\allowbreak
+\MakeRobust\bigbreak
+\MakeRobust\break
+\MakeRobust\dotfill
+\MakeRobust\frenchspacing
+\MakeRobust\goodbreak
+\MakeRobust\hrulefill
+\MakeRobust\medbreak
+\MakeRobust\nobreak
+\MakeRobust\nonfrenchspacing
+\MakeRobust\obeylines
+\MakeRobust\obeyspaces
+\MakeRobust\slash
+\MakeRobust\smallbreak
+\MakeRobust\strut
+\MakeRobust\underbar
 %%% From File: ltalloc.dtx
 \chardef\@xxxii=32
 \mathchardef\@Mi=10001
@@ -1405,6 +1446,9 @@ Type  H <return>  for immediate help.}%
    \ifmmode
     \@latex@error{Command \protect#1 invalid in math mode}\@ehc
    \fi}
+
+\let\conditionally@traceon\@empty
+\let\conditionally@traceoff\@empty
 %%% From File: ltpar.dtx
 \message{par,}
 \def\@setpar#1{\def\par{#1}\def\@par{#1}}
@@ -1412,8 +1456,18 @@ Type  H <return>  for immediate help.}%
 \def\@restorepar{\def\par{\@par}}
 %%% From File: ltspace.dtx
 \message{spacing,}
-\def\pagebreak{\@testopt{\@no@pgbk-}4}
-\def\nopagebreak{\@testopt\@no@pgbk4}
+\DeclareRobustCommand\pagebreak{\@testopt{\@no@pgbk-}4}
+\DeclareRobustCommand\nopagebreak{\@testopt\@no@pgbk4}
+\DeclareRobustCommand\linebreak{\@testopt{\@no@lnbk-}4}
+\DeclareRobustCommand\nolinebreak{\@testopt\@no@lnbk4}
+\DeclareRobustCommand\samepage{\interlinepenalty\@M
+   \postdisplaypenalty\@M
+   \interdisplaylinepenalty\@M
+   \@beginparpenalty\@M
+   \@endparpenalty\@M
+   \@itempenalty\@M
+   \@secpenalty\@M
+   \interfootnotelinepenalty\@M}
 \def\@no@pgbk #1[#2]{%
   \ifvmode
     \penalty #1\@getpen{#2}%
@@ -1422,8 +1476,6 @@ Type  H <return>  for immediate help.}%
     \vadjust{\penalty #1\@getpen{#2}}%
     \@esphack
   \fi}
-\def\linebreak{\@testopt{\@no@lnbk-}4}
-\def\nolinebreak{\@testopt\@no@lnbk4}
 \def\@no@lnbk #1[#2]{%
   \ifvmode
     \@nolnerr
@@ -1436,14 +1488,6 @@ Type  H <return>  for immediate help.}%
       \ignorespaces
     \fi
   \fi}
-\def\samepage{\interlinepenalty\@M
-   \postdisplaypenalty\@M
-   \interdisplaylinepenalty\@M
-   \@beginparpenalty\@M
-   \@endparpenalty\@M
-   \@itempenalty\@M
-   \@secpenalty\@M
-   \interfootnotelinepenalty\@M}
 \DeclareRobustCommand\\{%
   \let \reserved@e \relax
   \let \reserved@f \relax
@@ -1627,9 +1671,9 @@ Type  H <return>  for immediate help.}%
 \newskip\fill
 \fill = 0pt plus 1fill
 \def\stretch#1{\z@ \@plus #1fill\relax}
-\def\thinspace{\leavevmode@ifvmode\kern .16667em }
-\def\negthinspace{\leavevmode@ifvmode\kern-.16667em }
-\def\enspace{\leavevmode@ifvmode\kern.5em }
+\DeclareRobustCommand\thinspace{\leavevmode@ifvmode\kern .16667em }
+\DeclareRobustCommand\negthinspace{\leavevmode@ifvmode\kern-.16667em }
+\DeclareRobustCommand\enspace{\leavevmode@ifvmode\kern.5em }
 \protected\def\leavevmode@ifvmode{\ifvmode\expandafter\indent\fi}
 \def\enskip{\hskip.5em\relax}
 \def\quad{\hskip1em\relax}
@@ -1640,7 +1684,7 @@ Type  H <return>  for immediate help.}%
 \@gobble\ignorespaces}}
 \gdef\restorecr{\catcode`\^^M5 }}
 %%% From File: ltlogos.dtx
-\def\TeX{T\kern-.1667em\lower.5ex\hbox{E}\kern-.125emX\@}
+\DeclareRobustCommand\TeX{T\kern-.1667em\lower.5ex\hbox{E}\kern-.125emX\@}
 \DeclareRobustCommand{\LaTeX}{L\kern-.36em%
         {\sbox\z@ T%
          \vbox to\ht\z@{\hbox{\check@mathfonts
@@ -1688,7 +1732,7 @@ Type  H <return>  for immediate help.}%
     \immediate\write\@mainaux{\relax}%
   \fi
   \process@table
-  \let\glb@currsize\@empty  %% Force math initialization.
+  \let\glb@currsize\@empty  % Force math initialization.
   \normalsize
   \everypar{}%
   \ifx\normalsfcodes\@empty
@@ -1740,12 +1784,18 @@ Type  H <return>  for immediate help.}%
 \let\@auxout=\@mainaux
 \def\includeonly#1{%
   \@partswtrue
-  \edef\@partlist{\zap@space#1 \@empty}}
+  \set@curr@file{\zap@space#1 \@empty}%
+  \let\@partlist\@curr@file
+  }
 \@onlypreamble\includeonly
 \def\include#1{\relax
   \ifnum\@auxout=\@partaux
     \@latex@error{\string\include\space cannot be nested}\@eha
-  \else \@include#1 \fi}
+  \else
+  \set@curr@file{#1 }%
+  \expandafter\@include\@curr@file
+  \fi}
+
 \def\@include#1 {%
   \clearpage
   \if@filesw
@@ -1790,7 +1840,21 @@ Type  H <return>  for immediate help.}%
 \gdef\@charlb[{]
 \gdef\@charrb[}]
 ]% }brace matching
-\long\def \IfFileExists#1#2#3{%
+
+\def\set@curr@file#1{%
+  \begingroup
+    \escapechar\m@ne
+    \xdef\@curr@file{\expandafter\string\csname #1\endcsname}%
+  \endgroup
+}
+\def\quote@name#1{"\quote@@name#1\@gobble""}
+\def\quote@@name#1"{#1\quote@@name}
+\def\unquote@name#1{\quote@@name#1\@gobble"}
+\DeclareRobustCommand\IfFileExists[1]{%
+  \set@curr@file{#1}%
+  \edef\q@curr@file{\expandafter\quote@name\expandafter{\@curr@file}}%
+  \expandafter\IfFileExists@\expandafter{\q@curr@file}}
+\long\def \IfFileExists@#1#2#3{%
   \openin\@inputcheck#1 %
   \ifeof\@inputcheck
     \ifx\input@path\@undefined
@@ -1816,17 +1880,21 @@ Type  H <return>  for immediate help.}%
       \@break@tfor
     \fi}%
   \reserved@a}
-\long\def \InputIfFileExists#1#2{%
+\DeclareRobustCommand \InputIfFileExists[2]{%
   \IfFileExists{#1}%
-    {#2\@addtofilelist{#1}\@@input \@filef@und}}
+    {%
+  \expandafter\@swaptwoargs\expandafter
+      {\@filef@und}{#2\@addtofilelist{#1}\@@input}}}
+\long\def\@swaptwoargs#1#2{#2#1}
 \def\input{\@ifnextchar\bgroup\@iinput\@@input}
 \def\@iinput#1{%
   \InputIfFileExists{#1}{}%
-  {\filename@parse{#1}%
+  {\filename@parse\@curr@file
    \edef\reserved@a{\noexpand\@missingfileerror
      {\filename@area\filename@base}%
      {\ifx\filename@ext\relax tex\else\filename@ext\fi}}%
    \reserved@a}}
+
 \def\@input#1{%
   \IfFileExists{#1}{\@@input\@filef@und}{\typeout{No file #1.}}}
 \def\@input@#1{\InputIfFileExists{#1}{}{\typeout{No file #1.}}}
@@ -1996,7 +2064,7 @@ Type  H <return>  for immediate help.}%
       \reserved@a ^^@}}
 \catcode\z@=15\relax
 \@onlypreamble\DeclareTextComposite
-\def\UseTextAccent#1#2#3{%
+\DeclareRobustCommand\UseTextAccent[3]{%
   \hmode@start@before@group
    {%
     \let\hmode@start@before@group\@firstofone
@@ -2004,7 +2072,7 @@ Type  H <return>  for immediate help.}%
     \@use@text@encoding{#1}%
     #2{\@use@text@encoding\@curr@enc#3}%
    }}
-\def\UseTextSymbol#1#2{%
+\DeclareRobustCommand\UseTextSymbol[2]{%
        \hmode@start@before@group
        {%
           \def\@wrong@font@char{\MessageBreak
@@ -2284,13 +2352,12 @@ Type  H <return>  for immediate help.}%
 \def\addtolength#1#2{\advance#1 #2\relax}
 \def\@settodim#1#2#3{\setbox\@tempboxa\hbox{{#3}}#2#1\@tempboxa
        \setbox\@tempboxa\box\voidb@x}
-\def\settoheight{\@settodim\ht}
-\def\settodepth {\@settodim\dp}
-\def\settowidth {\@settodim\wd}
+\DeclareRobustCommand\settoheight{\@settodim\ht}
+\DeclareRobustCommand\settodepth {\@settodim\dp}
+\DeclareRobustCommand\settowidth {\@settodim\wd}
 \def\@settopoint#1{\divide#1\p@\multiply#1\p@}
 %%% From File: ltfssbas.dtx
 %% Copyright (C) 1989-2002 Frank Mittelbach and Rainer Sch\"opf
-\expandafter\let\csname ver@autofss1.sty\endcsname\fmtversion
 \def\@nomath#1{\relax\ifmmode
    \@font@warning{Command \noexpand#1invalid in math mode}\fi}
 \gdef\no@alphabet@error#1{\relax \ifmmode
@@ -2503,7 +2570,7 @@ Type  H <return>  for immediate help.}%
 \DeclareRobustCommand\fontfamily[1]{\edef\f@family{#1}}
 \DeclareRobustCommand\fontseries[1]{\edef\f@series{#1}}
 \DeclareRobustCommand\fontshape [1]{\edef\f@shape{#1}}
-\def\usefont#1#2#3#4{\fontencoding{#1}\fontfamily{#2}%
+\DeclareRobustCommand\usefont[4]{\fontencoding{#1}\fontfamily{#2}%
              \fontseries{#3}\fontshape{#4}\selectfont
              \ignorespaces}
 \DeclareRobustCommand\linespread[1]
@@ -2569,7 +2636,7 @@ Type  H <return>  for immediate help.}%
 \def\try@load@fontshape{%
    \expandafter
    \ifx\csname \f@encoding+\f@family\endcsname\relax
-     \@font@info{Try loading font information for
+     \@font@info{Trying to load font information for
                    \f@encoding+\f@family}%
     \global\expandafter\let
        \csname\f@encoding+\f@family\endcsname\@empty
@@ -2612,11 +2679,6 @@ Type  H <return>  for immediate help.}%
       \gdef\default@family{#2}%
       \gdef\default@series{#3}%
       \gdef\default@shape{#4}%
-      \global\let\f@family\default@family
-      \global\let\f@series\default@series
-      \global\let\f@shape\default@shape
-      \gdef\f@size{#5}%
-      \gdef\f@baselineskip{#5pt}%
 }
 \@onlypreamble\DeclareErrorFont
 \def\wrong@fontshape{%
@@ -2689,7 +2751,7 @@ Type  H <return>  for immediate help.}%
   \let\noaccents@\@empty
 \fi
 \ifx\XeTeXcharclass\@undefined
-\gdef\showhyphens#1{%
+\DeclareRobustCommand\showhyphens[1]{%
   \setbox0\vbox{%
     \color@begingroup
     \everypar{}%
@@ -2698,7 +2760,7 @@ Type  H <return>  for immediate help.}%
     \pretolerance\m@ne\tolerance\m@ne\hbadness\z@\showboxdepth\z@\ #1%
     \color@endgroup}}
 \else
-\long\def\showhyphens#1{%
+\DeclareRobustCommand\showhyphens[1]{%
   \setbox0\vbox{%
     \usefont{TU}{lmr}{m}{n}%
     \hsize 1sp %
@@ -3566,9 +3628,14 @@ Type  H <return>  for immediate help.}%
       \advance\count\tw@-\count@
       \if\relax\noexpand#1% is command?
         \edef\reserved@a{\noexpand\in@
-           {\expandafter\@gobble\string\mathaccent}{\meaning#1}}%
+          {\expandafter\@gobble\string\mathaccent}
+          {\expandafter\meaning
+           \csname\expandafter\@gobble\string#1\space\endcsname}}%
         \reserved@a
         \ifin@
+          \expandafter\let
+            \csname\expandafter\@gobble\string#1\space\endcsname
+            \@undefined
           \expandafter\set@mathaccent
              \csname sym#3\endcsname#1#2%
              {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
@@ -3594,7 +3661,9 @@ Type  H <return>  for immediate help.}%
 }
 \@onlypreamble\DeclareMathAccent
 \def\set@mathaccent#1#2#3#4{%
-  \xdef#2{\mathaccent"\mathchar@type#3\hexnumber@#1#4\relax}}
+  \xdef#2{\mathaccent"\mathchar@type#3\hexnumber@#1#4\relax}%
+  \MakeRobust#2%
+}
 \@onlypreamble\set@mathaccent
 \def\DeclareMathSymbol#1#2#3#4{%
   \expandafter\in@\csname sym#3\expandafter\endcsname
@@ -3608,17 +3677,20 @@ Type  H <return>  for immediate help.}%
       \multiply\count@\sixt@@n
       \advance\count\tw@-\count@
       \if\relax\noexpand#1% is command?
+        \edef\reserved@b{\expandafter\noexpand
+                         \csname\expandafter\@gobble\string#1\space\endcsname}%
         \edef\reserved@a
           {\noexpand\in@{\expandafter\@gobble\string\mathchar}%
-                        {\meaning#1}}%
+                        {\meaning#1\expandafter\meaning\reserved@b}}%
         \reserved@a
+        \global\expandafter\let\reserved@b\@undefined
         \ifin@
           \expandafter\set@mathsymbol
              \csname sym#3\endcsname#1#2%
              {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
           \@font@info{Redeclaring math symbol \string#1}%
         \else
-            \expandafter\ifx
+          \expandafter\ifx
             \csname\expandafter\@gobble\string#1\endcsname
             \relax
             \expandafter\set@mathsymbol
@@ -3691,9 +3763,11 @@ Type  H <return>  for immediate help.}%
         \edef\reserved@d{\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
       %
         \edef\reserved@a{\noexpand\in@
-            {\expandafter\@gobble\string\delimiter}{\meaning#1}}%
+          {\expandafter\@gobble\string\delimiter}%
+          {\expandafter\meaning\csname\expandafter\@gobble\string#1\space\endcsname}}%
         \reserved@a
         \ifin@
+          \expandafter\let\csname\expandafter\@gobble\string#1\space\endcsname\@undefined
           \expandafter\set@mathdelimiter
              \csname sym#3\expandafter\endcsname
              \csname sym#5\endcsname#1#2%
@@ -3757,7 +3831,9 @@ Type  H <return>  for immediate help.}%
 \@onlypreamble\@xDeclareMathDelimiter
 \def\set@mathdelimiter#1#2#3#4#5#6{%
   \xdef#3{\delimiter"\mathchar@type#4\hexnumber@#1#5%
-                                     \hexnumber@#2#6 }}
+    \hexnumber@#2#6 }%
+  \MakeRobust#3%
+}
 \@onlypreamble\set@mathdelimiter
 \def\set@@mathdelimiter#1#2#3#4#5{%
   \global\delcode`#3="\hexnumber@#1#4\hexnumber@#2#5\relax}
@@ -3952,20 +4028,20 @@ Type  H <return>  for immediate help.}%
          .
         }%
    \fi}
-\def\boldmath{\@nomath\boldmath
+\DeclareRobustCommand\boldmath{\@nomath\boldmath
               \mathversion{bold}}
-\def\unboldmath{\@nomath\unboldmath
+\DeclareRobustCommand\unboldmath{\@nomath\unboldmath
               \mathversion{normal}}
 \def\math@version{normal}
 \def\newfont#1#2{\@ifdefinable#1{\font#1=#2\relax}}
-\def\symbol#1{\char #1\relax}
+\DeclareRobustCommand\symbol[1]{\char #1\relax}
 \def\@setfontsize#1#2#3{\@nomath#1%
     \ifx\protect\@typeset@protect
       \let\@currsize#1%
     \fi
     \fontsize{#2}{#3}\selectfont}
 \def\@setsize#1#2#3#4{\@setfontsize#1{#4}{#2}}
-\def\oldstylenums#1{%
+\DeclareRobustCommand\oldstylenums[1]{%
    \begingroup
     \spaceskip\fontdimen\tw@\font
     \usefont{OML}{\rmdefault}{\f@series}{it}%
@@ -4001,6 +4077,10 @@ Type  H <return>  for immediate help.}%
 \DeclareErrorFont{OT1}{cmr}{m}{n}{10}  %% don't modify this setting
                                        %% overwrite it in fontdef.cfg
                                        %% if necessary
+\fontfamily{cmr}
+\fontseries{m}
+\fontshape{n}
+\fontsize{10}{10}
 \InputIfFileExists{fonttext.cfg}
            {\typeout{====================================^^J%
                      ^^J%
@@ -4171,6 +4251,7 @@ Type  H <return>  for immediate help.}%
    \c@page}}
 %%% From File: ltxref.dtx
 \message{x-ref,}
+
 \def\G@refundefinedtrue{%
   \gdef\@refundefined{%
     \@latex@warning@no@line{There were undefined references}}}
@@ -4203,8 +4284,11 @@ Type  H <return>  for immediate help.}%
   \@esphack}
 \def\refstepcounter#1{\stepcounter{#1}%
     \protected@edef\@currentlabel
-       {\csname p@#1\endcsname\csname the#1\endcsname}%
+       {\csname p@#1\expandafter\endcsname\csname the#1\endcsname}%
 }
+\def\labelformat#1{\expandafter\def\csname p@#1\endcsname##1}
+\DeclareRobustCommand\Ref[1]{\protected@edef\@tempa{\ref{#1}}%
+   \expandafter\MakeUppercase\@tempa}
 \def\@currentlabel{}
 %%% From File: ltmiscen.dtx
 \message{environments,}
@@ -4271,7 +4355,7 @@ Type  H <return>  for immediate help.}%
 \def\stop{\clearpage\deadcycles\z@\let\par\@@par\@@end}
 \everypar{\@nodocument} %% To get an error if text appears before the
 \nullfont               %% \begin{document}
-\def\begin#1{%
+\DeclareRobustCommand\begin[1]{%
   \@ifundefined{#1}%
     {\def\reserved@a{\@latex@error{Environment #1 undefined}\@eha}}%
     {\def\reserved@a{\def\@currenvir{#1}%
@@ -4279,7 +4363,25 @@ Type  H <return>  for immediate help.}%
      \csname #1\endcsname}}%
   \@ignorefalse
   \begingroup\@endpefalse\reserved@a}
-\def\end#1{%
+\edef\end
+  {\unexpanded{%
+     \romannumeral
+       \ifx\protect\@typeset@protect
+       \expandafter       %1
+         \expandafter        %2
+       \expandafter       %1
+           \expandafter         %3 expands the \csname inside \end<space>
+       \expandafter       %1
+         \expandafter        %2  expands \end<space>
+       \expandafter       %1     expands the \else
+           \z@
+       \else
+         \expandafter\z@\expandafter\protect
+       \fi
+   }%
+   \expandafter\noexpand\csname end \endcsname
+  }
+\@namedef{end }#1{%
   \csname end#1\endcsname\@checkend{#1}%
   \expandafter\endgroup\if@endpe\@doendpe\fi
   \if@ignore\@ignorefalse\ignorespaces\fi}
@@ -4294,23 +4396,23 @@ Type  H <return>  for immediate help.}%
 \def\@icentercr[#1]{\vskip #1\ignorespaces}
 \def\center{\trivlist \centering\item\relax}
 \def\endcenter{\endtrivlist}
-\def\centering{%
+\DeclareRobustCommand\centering{%
   \let\\\@centercr
   \rightskip\@flushglue\leftskip\@flushglue
   \parindent\z@\parfillskip\z@skip}
-\newskip\@rightskip \@rightskip \z@skip
-\def\flushleft{\trivlist \raggedright\item\relax}
-\def\endflushleft{\endtrivlist}
-\def\raggedright{%
+\DeclareRobustCommand\raggedright{%
   \let\\\@centercr\@rightskip\@flushglue \rightskip\@rightskip
   \leftskip\z@skip
   \parindent\z@}
-\def\flushright{\trivlist \raggedleft\item\relax}
-\def\endflushright{\endtrivlist}
-\def\raggedleft{%
+\DeclareRobustCommand\raggedleft{%
   \let\\\@centercr
   \rightskip\z@skip\leftskip\@flushglue
   \parindent\z@\parfillskip\z@skip}
+\newskip\@rightskip \@rightskip \z@skip
+\def\flushleft{\trivlist \raggedright\item\relax}
+\def\endflushleft{\endtrivlist}
+\def\flushright{\trivlist \raggedleft\item\relax}
+\def\endflushright{\endtrivlist}
 \message{verbatim,}
 {\catcode`\ =\active%
 \gdef\@vobeyspaces{\catcode`\ \active\let \@xobeysp}}
@@ -4398,56 +4500,56 @@ Type  H <return>  for immediate help.}%
 \def\@noligs{\let\do\do@noligs \verbatim@nolig@list}
 %%% From File: ltmath.dtx
 \message{math definitions,}
-\def\log{\mathop{\operator@font log}\nolimits}
-\def\lg{\mathop{\operator@font lg}\nolimits}
-\def\ln{\mathop{\operator@font ln}\nolimits}
-\def\lim{\mathop{\operator@font lim}}
-\def\limsup{\mathop{\operator@font lim\,sup}}
-\def\liminf{\mathop{\operator@font lim\,inf}}
-\def\sin{\mathop{\operator@font sin}\nolimits}
-\def\arcsin{\mathop{\operator@font arcsin}\nolimits}
-\def\sinh{\mathop{\operator@font sinh}\nolimits}
-\def\cos{\mathop{\operator@font cos}\nolimits}
-\def\arccos{\mathop{\operator@font arccos}\nolimits}
-\def\cosh{\mathop{\operator@font cosh}\nolimits}
-\def\tan{\mathop{\operator@font tan}\nolimits}
-\def\arctan{\mathop{\operator@font arctan}\nolimits}
-\def\tanh{\mathop{\operator@font tanh}\nolimits}
-\def\cot{\mathop{\operator@font cot}\nolimits}
-\def\coth{\mathop{\operator@font coth}\nolimits}
-\def\sec{\mathop{\operator@font sec}\nolimits}
-\def\csc{\mathop{\operator@font csc}\nolimits}
-\def\max{\mathop{\operator@font max}}
-\def\min{\mathop{\operator@font min}}
-\def\sup{\mathop{\operator@font sup}}
-\def\inf{\mathop{\operator@font inf}}
-\def\arg{\mathop{\operator@font arg}\nolimits}
-\def\ker{\mathop{\operator@font ker}\nolimits}
-\def\dim{\mathop{\operator@font dim}\nolimits}
-\def\hom{\mathop{\operator@font hom}\nolimits}
-\def\det{\mathop{\operator@font det}}
-\def\exp{\mathop{\operator@font exp}\nolimits}
-\def\Pr{\mathop{\operator@font Pr}}
-\def\gcd{\mathop{\operator@font gcd}}
-\def\deg{\mathop{\operator@font deg}\nolimits}
-\def\bmod{%
+\DeclareRobustCommand\log{\mathop{\operator@font log}\nolimits}
+\DeclareRobustCommand\lg{\mathop{\operator@font lg}\nolimits}
+\DeclareRobustCommand\ln{\mathop{\operator@font ln}\nolimits}
+\DeclareRobustCommand\lim{\mathop{\operator@font lim}}
+\DeclareRobustCommand\limsup{\mathop{\operator@font lim\,sup}}
+\DeclareRobustCommand\liminf{\mathop{\operator@font lim\,inf}}
+\DeclareRobustCommand\sin{\mathop{\operator@font sin}\nolimits}
+\DeclareRobustCommand\arcsin{\mathop{\operator@font arcsin}\nolimits}
+\DeclareRobustCommand\sinh{\mathop{\operator@font sinh}\nolimits}
+\DeclareRobustCommand\cos{\mathop{\operator@font cos}\nolimits}
+\DeclareRobustCommand\arccos{\mathop{\operator@font arccos}\nolimits}
+\DeclareRobustCommand\cosh{\mathop{\operator@font cosh}\nolimits}
+\DeclareRobustCommand\tan{\mathop{\operator@font tan}\nolimits}
+\DeclareRobustCommand\arctan{\mathop{\operator@font arctan}\nolimits}
+\DeclareRobustCommand\tanh{\mathop{\operator@font tanh}\nolimits}
+\DeclareRobustCommand\cot{\mathop{\operator@font cot}\nolimits}
+\DeclareRobustCommand\coth{\mathop{\operator@font coth}\nolimits}
+\DeclareRobustCommand\sec{\mathop{\operator@font sec}\nolimits}
+\DeclareRobustCommand\csc{\mathop{\operator@font csc}\nolimits}
+\DeclareRobustCommand\max{\mathop{\operator@font max}}
+\DeclareRobustCommand\min{\mathop{\operator@font min}}
+\DeclareRobustCommand\sup{\mathop{\operator@font sup}}
+\DeclareRobustCommand\inf{\mathop{\operator@font inf}}
+\DeclareRobustCommand\arg{\mathop{\operator@font arg}\nolimits}
+\DeclareRobustCommand\ker{\mathop{\operator@font ker}\nolimits}
+\DeclareRobustCommand\dim{\mathop{\operator@font dim}\nolimits}
+\DeclareRobustCommand\hom{\mathop{\operator@font hom}\nolimits}
+\DeclareRobustCommand\det{\mathop{\operator@font det}}
+\DeclareRobustCommand\exp{\mathop{\operator@font exp}\nolimits}
+\DeclareRobustCommand\Pr{\mathop{\operator@font Pr}}
+\DeclareRobustCommand\gcd{\mathop{\operator@font gcd}}
+\DeclareRobustCommand\deg{\mathop{\operator@font deg}\nolimits}
+\DeclareRobustCommand\bmod{%
   \nonscript\mskip-\medmuskip\mkern5mu%
   \mathbin{\operator@font mod}\penalty900\mkern5mu%
   \nonscript\mskip-\medmuskip}
-\def\pmod#1{%
+\DeclareRobustCommand\pmod[1]{%
   \allowbreak\mkern18mu({\operator@font mod}\,\,#1)}
-\def\bigl{\mathopen\big}
-\def\bigm{\mathrel\big}
-\def\bigr{\mathclose\big}
-\def\Bigl{\mathopen\Big}
-\def\Bigm{\mathrel\Big}
-\def\Bigr{\mathclose\Big}
-\def\biggl{\mathopen\bigg}
-\def\biggm{\mathrel\bigg}
-\def\biggr{\mathclose\bigg}
-\def\Biggl{\mathopen\Bigg}
-\def\Biggm{\mathrel\Bigg}
-\def\Biggr{\mathclose\Bigg}
+\DeclareRobustCommand\bigl{\mathopen\big}
+\DeclareRobustCommand\bigm{\mathrel\big}
+\DeclareRobustCommand\bigr{\mathclose\big}
+\DeclareRobustCommand\Bigl{\mathopen\Big}
+\DeclareRobustCommand\Bigm{\mathrel\Big}
+\DeclareRobustCommand\Bigr{\mathclose\Big}
+\DeclareRobustCommand\biggl{\mathopen\bigg}
+\DeclareRobustCommand\biggm{\mathrel\bigg}
+\DeclareRobustCommand\biggr{\mathclose\bigg}
+\DeclareRobustCommand\Biggl{\mathopen\Bigg}
+\DeclareRobustCommand\Biggm{\mathrel\Bigg}
+\DeclareRobustCommand\Biggr{\mathclose\Bigg}
 \newdimen\jot
 \jot=3pt
 \newcount\interdisplaylinepenalty
@@ -4470,11 +4572,13 @@ Type  H <return>  for immediate help.}%
   \dimen@\ht\z@ \advance\dimen@-\dp\z@
   \mkern5mu\raise.6\dimen@\copy\rootbox
   \mkern-10mu\box\z@}
+
 \newif\ifv@
 \newif\ifh@
-\def\vphantom{\v@true\h@false\ph@nt}
-\def\hphantom{\v@false\h@true\ph@nt}
-\def\phantom{\v@true\h@true\ph@nt}
+\DeclareRobustCommand\vphantom{\v@true\h@false\ph@nt}
+\DeclareRobustCommand\hphantom{\v@false\h@true\ph@nt}
+\DeclareRobustCommand\phantom{\v@true\h@true\ph@nt}
+\DeclareRobustCommand\mathstrut{\vphantom(}
 \def\ph@nt{%
   \ifmmode
     \expandafter\mathpalette\expandafter\mathph@nt
@@ -4490,8 +4594,7 @@ Type  H <return>  for immediate help.}%
   \ifv@ \ht\tw@\ht\z@ \dp\tw@\dp\z@\fi
   \ifh@ \wd\tw@\wd\z@\fi
   \leavevmode@ifvmode\box\tw@}
-\def\mathstrut{\vphantom(}
-\def\smash{%
+\DeclareRobustCommand\smash{%
   \relax % \relax, in case this comes first in \halign
   \ifmmode
     \expandafter\mathpalette\expandafter\mathsm@sh
@@ -4504,13 +4607,13 @@ Type  H <return>  for immediate help.}%
   \setbox\z@\hbox{$\m@th#1{#2}$}\finsm@sh}
 \def\finsm@sh{\ht\z@\z@ \dp\z@\z@ \leavevmode@ifvmode\box\z@}
 \def\buildrel#1\over#2{\mathrel{\mathop{\kern\z@#2}\limits^{#1}}}
-\def\cases#1{\left\{\,\vcenter{\normalbaselines\m@th
+\DeclareRobustCommand\cases[1]{\left\{\,\vcenter{\normalbaselines\m@th
     \ialign{$##\hfil$&\quad{##}\hfil\crcr#1\crcr}}\right.}
-\def\matrix#1{\null\,\vcenter{\normalbaselines\m@th
+\DeclareRobustCommand\matrix[1]{\null\,\vcenter{\normalbaselines\m@th
     \ialign{\hfil$##$\hfil&&\quad\hfil$##$\hfil\crcr
       \mathstrut\crcr\noalign{\kern-\baselineskip}
       #1\crcr\mathstrut\crcr\noalign{\kern-\baselineskip}}}\,}
-\def\pmatrix#1{\left(\matrix{#1}\right)}
+\DeclareRobustCommand\pmatrix[1]{\left(\matrix{#1}\right)}
 \def\bordermatrix#1{\begingroup \m@th
   \@tempdima 8.75\p@
   \setbox\z@\vbox{%
@@ -4543,7 +4646,7 @@ Type  H <return>  for immediate help.}%
 \def\>{\mskip\medmuskip}
 \def\;{\mskip\thickmuskip}
 \def\!{\mskip-\thinmuskip}
-\def\*{\discretionary{\thinspace\the\textfont2\char2}{}{}}
+\DeclareRobustCommand\*{\discretionary{\thinspace\the\textfont2\char2}{}{}}
 \let\:=\>
 \def\active@math@prime{^\bgroup\prim@s}
 {\catcode`\'=\active \global\let'\active@math@prime}
@@ -4598,8 +4701,8 @@ Type  H <return>  for immediate help.}%
 \def\equation{$$\refstepcounter{equation}}
 \def\endequation{\eqno \hbox{\@eqnnum}$$\@ignoretrue}
 \def\@eqnnum{{\normalfont \normalcolor (\theequation)}}
-\def\stackrel#1#2{\mathrel{\mathop{#2}\limits^{#1}}}
-\def\frac#1#2{{\begingroup#1\endgroup\over#2}}
+\DeclareRobustCommand\stackrel[2]{\mathrel{\mathop{#2}\limits^{#1}}}
+\DeclareRobustCommand\frac[2]{{\begingroup#1\endgroup\over#2}}
 \DeclareRobustCommand\sqrt{\@ifnextchar[\@sqrt\sqrtsign}
 \def\@sqrt[#1]{\root #1\of}
 \newcount\@eqcnt
@@ -4915,7 +5018,7 @@ Type  H <return>  for immediate help.}%
   \@ifnextchar(%)
     \@makepicbox
     {\@ifnextchar[\@makebox\mbox}}%
-\long\def\mbox#1{\leavevmode\hbox{#1}}
+\DeclareRobustCommand\mbox[1]{\leavevmode\hbox{#1}}
 \def\@makebox[#1]{%
   \@ifnextchar [{\@imakebox[#1]}{\@imakebox[#1][c]}}
 \long\def\@begin@tempboxa#1#2{%
@@ -4965,7 +5068,7 @@ Type  H <return>  for immediate help.}%
 \DeclareRobustCommand\savebox[1]{%
   \@ifnextchar(%)
     {\@savepicbox#1}{\@ifnextchar[{\@savebox#1}{\sbox#1}}}%
-\long\def\sbox#1#2{\setbox#1\hbox{%
+\DeclareRobustCommand\sbox[2]{\setbox#1\hbox{%
   \color@setgroup#2\color@endgroup}}
 \def\@savebox#1[#2]{%
   \@ifnextchar [{\@isavebox#1[#2]}{\@isavebox#1[#2][c]}}
@@ -4988,8 +5091,8 @@ Type  H <return>  for immediate help.}%
     \color@setgroup
       \ignorespaces}
 \def\endlrbox{\unskip\color@endgroup}
-\def\usebox#1{\leavevmode\copy #1\relax}
-\long\def\frame#1{%
+\DeclareRobustCommand\usebox[1]{\leavevmode\copy #1\relax}
+\DeclareRobustCommand\frame[1]{%
   \leavevmode
   \hbox{%
     \hskip-\@wholewidth
@@ -5005,7 +5108,7 @@ Type  H <return>  for immediate help.}%
     \hskip-\@wholewidth}}
 \newdimen\fboxrule
 \newdimen\fboxsep
-\long\def\fbox#1{%
+\DeclareRobustCommand\fbox[1]{%
   \leavevmode
   \setbox\@tempboxa\hbox{%
     \color@begingroup
@@ -5169,7 +5272,7 @@ Type  H <return>  for immediate help.}%
      \advance\@tempdimc\@tempdima
      \vrule\@width\@tempdimb\@height\@tempdimc\@depth-\@tempdima}}
 \let\@@underline\underline
-\def\underline#1{%
+\DeclareRobustCommand\underline[1]{%
   \relax
   \ifmmode\@@underline{#1}%
   \else $\@@underline{\hbox{#1}}\m@th$\relax\fi}
@@ -5199,11 +5302,11 @@ Type  H <return>  for immediate help.}%
 \def\@finalstrut#1{%
   \unskip\ifhmode\nobreak\fi\vrule\@width\z@\@height\z@\@depth\dp#1}
 \def\@@line{\hb@xt@\hsize}
-\def\leftline#1{\@@line{#1\hss}}
-\def\rightline#1{\@@line{\hss#1}}
-\def\centerline#1{\@@line{\hss#1\hss}}
-\def\rlap#1{\hb@xt@\z@{#1\hss}}
-\def\llap#1{\hb@xt@\z@{\hss#1}}
+\DeclareRobustCommand\leftline[1]{\@@line{#1\hss}}
+\DeclareRobustCommand\rightline[1]{\@@line{\hss#1}}
+\DeclareRobustCommand\centerline[1]{\@@line{\hss#1\hss}}
+\DeclareRobustCommand\rlap[1]{\hb@xt@\z@{#1\hss}}
+\DeclareRobustCommand\llap[1]{\hb@xt@\z@{\hss#1}}
 %%% From File: lttab.dtx
 \expandafter\let\csname ver@autotabg.sty\endcsname\fmtversion
 \newdimen\@gtempa
@@ -5223,7 +5326,7 @@ Type  H <return>  for immediate help.}%
 \newbox\@curfield
 \newbox\@tabfbox
 \newif\if@rjfield
-\gdef\@startline{%
+\def\@startline{%
      \ifnum \@nxttabmar >\@hightab
        \@badtab
        \global\@nxttabmar \@hightab
@@ -5233,7 +5336,7 @@ Type  H <return>  for immediate help.}%
      \global\setbox\@curline \hbox {}%
      \@startfield
      \strut}
-\gdef\@stopline{%
+\def\@stopline{%
   \unskip
   \@stopfield
   \if@rjfield
@@ -5249,21 +5352,20 @@ Type  H <return>  for immediate help.}%
     \@addfield
     \hbox{\@itemfudge\hskip\dimen\@curtabmar\box\@curline}%
   \fi}
-\gdef\@startfield{%
+\def\@startfield{%
   \global\setbox\@curfield\hbox\bgroup\color@begingroup}
-\gdef\@stopfield{%
+\def\@stopfield{%
   \color@endgroup\egroup}
-\gdef\@contfield{%
+\def\@contfield{%
   \global\setbox\@curfield\hbox\bgroup\color@begingroup
   \unhbox\@curfield}
-\gdef\@addfield{\global\setbox\@curline\hbox{\unhbox
+\def\@addfield{\global\setbox\@curline\hbox{\unhbox
      \@curline\unhbox\@curfield}}
-\gdef\@ifatmargin{\ifdim \wd\@curline =\z@}
-\gdef\@tabcr{\@stopline \@ifstar{\penalty \@M \@xtabcr}\@xtabcr}
-\gdef\@xtabcr{\@ifnextchar[\@itabcr{\@startline\ignorespaces}}
-\gdef\@itabcr[#1]{\vskip #1\@startline\ignorespaces}
-\gdef\kill{\@stopfield\@startline\ignorespaces}
-\gdef\tabbing{\lineskip \z@skip\let\>\@rtab\let\<\@ltab\let\=\@settab
+\def\@ifatmargin{\ifdim \wd\@curline =\z@}
+\def\@tabcr{\@stopline \@ifstar{\penalty \@M \@xtabcr}\@xtabcr}
+\def\@xtabcr{\@ifnextchar[\@itabcr{\@startline\ignorespaces}}
+\def\@itabcr[#1]{\vskip #1\@startline\ignorespaces}
+\def\tabbing{\lineskip \z@skip\let\>\@rtab\let\<\@ltab\let\=\@settab
      \let\+\@tabplus\let\-\@tabminus\let\`\@tabrj\let\'\@tablab
      \let\\=\@tabcr
      \@hightab\@firsttab
@@ -5276,16 +5378,16 @@ Type  H <return>  for immediate help.}%
        \rlap{\hskip\@totalleftmargin\indent\the\everypar}}%
      \def\@itemfudge{\box\@tabfbox}%
      \@startline\ignorespaces}
-\gdef\endtabbing{%
+\def\endtabbing{%
   \@stopline\ifnum\@tabpush >\z@ \@badpoptabs \fi\endtrivlist}
-\gdef\@rtab{\@stopfield\@addfield\ifnum \@curtab<\@hightab
+\def\@rtab{\@stopfield\@addfield\ifnum \@curtab<\@hightab
       \global\advance\@curtab \@ne \else\@badtab\fi
       \@tempdima\dimen\@curtab
       \advance\@tempdima -\dimen\@curtabmar
       \advance\@tempdima -\wd\@curline
       \global\setbox\@curline\hbox{\unhbox\@curline\hskip\@tempdima}%
       \@startfield\ignorespaces}
-\gdef\@settab{\@stopfield\@addfield
+\def\@settab{\@stopfield\@addfield
   \ifnum \@curtab <\@maxtab
     \ifnum\@curtab =\@hightab
       \advance\@hightab \@ne
@@ -5298,27 +5400,27 @@ Type  H <return>  for immediate help.}%
   \advance\dimen\@curtab \wd\@curline
   \@startfield
   \ignorespaces}
-\gdef\@ltab{\@ifatmargin\ifnum\@curtabmar >\@firsttab
+\def\@ltab{\@ifatmargin\ifnum\@curtabmar >\@firsttab
       \global\advance\@curtab \m@ne \global\advance\@curtabmar\m@ne\else
       \@badtab\fi\else
       \@latex@error{\string\<\space in mid line}\@ehd\fi\ignorespaces}
-\gdef\@tabplus{%
+\def\@tabplus{%
   \ifnum\@nxttabmar<\@hightab
     \global\advance\@nxttabmar\@ne
   \else
     \@badtab
   \fi
   \ignorespaces}
-\gdef\@tabminus{%
+\def\@tabminus{%
   \ifnum\@nxttabmar>\@firsttab
     \global\advance\@nxttabmar\m@ne
   \else
     \@badtab
   \fi
   \ignorespaces}
-\gdef\@tabrj{%
+\def\@tabrj{%
   \@stopfield\@addfield\global\@rjfieldtrue\@startfield\ignorespaces}
-\gdef\@tablab{%
+\def\@tablab{%
   \@stopfield
   \global\setbox\@curline\hbox{%
     \box\@curline
@@ -5327,10 +5429,10 @@ Type  H <return>  for immediate help.}%
     \hskip\tabbingsep}%
   \@startfield
   \ignorespaces}
-\gdef\pushtabs{%
+\DeclareRobustCommand\pushtabs{%
   \@stopfield\@addfield\global\advance\@tabpush \@ne \begingroup
        \@contfield}
-\gdef\poptabs{\@stopfield\@addfield
+\DeclareRobustCommand\poptabs{\@stopfield\@addfield
   \ifnum \@tabpush >\z@
     \endgroup
     \global\advance\@tabpush \m@ne
@@ -5342,8 +5444,9 @@ Type  H <return>  for immediate help.}%
     \@badpoptabs
   \fi
   \@contfield}
+\DeclareRobustCommand\kill{\@stopfield\@startline\ignorespaces}
 \newdimen\tabbingsep
-\def\extracolsep#1{\tabskip #1\relax}
+\DeclareRobustCommand\extracolsep[1]{\tabskip #1\relax}
 \def\array{\let\@acol\@arrayacol \let\@classz\@arrayclassz
  \let\@classiv\@arrayclassiv
  \let\\\@arraycr\let\@halignto\@empty\@tabarray}
@@ -5463,7 +5566,9 @@ Type  H <return>  for immediate help.}%
   \edef\@preamble{%
     \@preamble{%
       \ifcase\@chnum
-        \hfil\ignorespaces\@sharp\unskip\hfil
+        \hfil
+        \hskip1sp%
+        \ignorespaces\@sharp\unskip\hfil
       \or
         \hskip1sp\ignorespaces\@sharp\unskip\hfil
       \or
@@ -5558,42 +5663,43 @@ Type  H <return>  for immediate help.}%
 \newdimen\unitlength \unitlength =1pt
 \newbox\@picbox
 \newdimen\@picht
-\long\gdef\picture#1{\pictur@#1}
-\gdef\pictur@(#1){%
+\long\def\picture#1{\pictur@#1}
+\def\pictur@(#1){%
   \@ifnextchar({\@picture(#1)}{\@picture(#1)(0,0)}}
-\gdef\@picture(#1,#2)(#3,#4){%
+\def\@picture(#1,#2)(#3,#4){%
   \@picht#2\unitlength
   \setbox\@picbox\hb@xt@#1\unitlength\bgroup
     \hskip -#3\unitlength
     \lower #4\unitlength\hbox\bgroup
       \ignorespaces}
-\gdef\endpicture{%
+\def\endpicture{%
   \egroup\hss\egroup
     \ht\@picbox\@picht\dp\@picbox\z@
     \mbox{\box\@picbox}}
-\long\gdef\put(#1,#2)#3{%
+\long\def\put(#1,#2)#3{%
   \@killglue\raise#2\unitlength
   \hb@xt@\z@{\kern#1\unitlength #3\hss}%
   \ignorespaces}
-\gdef\multiput(#1,#2)#3{%
+\def\multiput(#1,#2)#3{%
   \@xdim #1\unitlength
   \@ydim #2\unitlength
    \@multiput(}
-\long\gdef\@multiput(#1,#2)#3#4{%
+\long\def\@multiput(#1,#2)#3#4{%
   \@killglue\@multicnt #3\relax
   \@whilenum \@multicnt >\z@\do
     {\raise\@ydim\hb@xt@\z@{\kern\@xdim #4\hss}%
      \advance\@multicnt\m@ne
      \advance\@xdim#1\unitlength\advance\@ydim#2\unitlength}%
   \ignorespaces}
-\gdef\@killglue{\unskip\@whiledim \lastskip >\z@\do{\unskip}}
-\gdef\thinlines{\let\@linefnt\tenln \let\@circlefnt\tencirc
+\def\@killglue{\unskip\@whiledim \lastskip >\z@\do{\unskip}}
+\DeclareRobustCommand\thinlines{\let\@linefnt\tenln \let\@circlefnt\tencirc
   \@wholewidth\fontdimen8\tenln \@halfwidth .5\@wholewidth}
-\gdef\thicklines{\let\@linefnt\tenlnw \let\@circlefnt\tencircw
+\DeclareRobustCommand\thicklines{\let\@linefnt\tenlnw \let\@circlefnt\tencircw
   \@wholewidth\fontdimen8\tenlnw \@halfwidth .5\@wholewidth}
-\gdef\linethickness#1{\@wholewidth #1\relax \@halfwidth .5\@wholewidth}
-\gdef\shortstack{\@ifnextchar[\@shortstack{\@shortstack[c]}}
-\gdef\@shortstack[#1]{%
+\DeclareRobustCommand\linethickness[1]
+   {\@wholewidth #1\relax \@halfwidth .5\@wholewidth}
+\def\shortstack{\@ifnextchar[\@shortstack{\@shortstack[c]}}
+\def\@shortstack[#1]{%
   \leavevmode
   \vbox\bgroup
     \baselineskip-\p@\lineskip 3\p@
@@ -5601,19 +5707,19 @@ Type  H <return>  for immediate help.}%
     \expandafter\let\csname mb@#1\endcsname\relax
     \let\\\@stackcr
     \@ishortstack}
-\gdef\@ishortstack#1{\ialign{\mb@l {##}\unskip\mb@r\cr #1\crcr}\egroup}
-\gdef\@stackcr{\@ifstar\@ixstackcr\@ixstackcr}
-\gdef\@ixstackcr{\@ifnextchar[\@istackcr{\cr\ignorespaces}}
-\gdef\@istackcr[#1]{\cr\noalign{\vskip #1}\ignorespaces}
+\def\@ishortstack#1{\ialign{\mb@l {##}\unskip\mb@r\cr #1\crcr}\egroup}
+\def\@stackcr{\@ifstar\@ixstackcr\@ixstackcr}
+\def\@ixstackcr{\@ifnextchar[\@istackcr{\cr\ignorespaces}}
+\def\@istackcr[#1]{\cr\noalign{\vskip #1}\ignorespaces}
 \newif\if@negarg
-\gdef\line(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
+\def\line(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
   \@linelen #3\unitlength
   \ifdim\@linelen<\z@\@badlinearg\else
     \ifnum\@xarg =\z@ \@vline
       \else \ifnum\@yarg =\z@ \@hline \else \@sline\fi
     \fi
   \fi}
-\gdef\@sline{%
+\def\@sline{%
   \ifnum\@xarg<\z@ \@negargtrue \@xarg -\@xarg \@yyarg -\@yarg
   \else \@negargfalse \@yyarg \@yarg \fi
 \ifnum \@yyarg >\z@ \@tempcnta\@yyarg \else \@tempcnta -\@yyarg \fi
@@ -5655,14 +5761,14 @@ Type  H <return>  for immediate help.}%
      \@picture@warn
    \fi
    \else\@upordown\@clnht\copy\@linechar\fi}
-\gdef\@hline{\ifnum \@xarg <\z@ \hskip -\@linelen \fi
+\def\@hline{\ifnum \@xarg <\z@ \hskip -\@linelen \fi
 \vrule \@height \@halfwidth \@depth \@halfwidth \@width \@linelen
 \ifnum \@xarg <\z@ \hskip -\@linelen \fi}
-\gdef\@getlinechar(#1,#2){\@tempcnta#1\relax\multiply\@tempcnta 8%
+\def\@getlinechar(#1,#2){\@tempcnta#1\relax\multiply\@tempcnta 8%
   \advance\@tempcnta -9\ifnum #2>\z@ \advance\@tempcnta #2\relax\else
   \advance\@tempcnta -#2\relax\advance\@tempcnta 64 \fi
   \char\@tempcnta}
-\gdef\vector(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
+\def\vector(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
   \@tempcnta \ifnum\@xarg<\z@ -\@xarg\else\@xarg\fi
   \ifnum\@tempcnta<5\relax
   \@linelen #3\unitlength
@@ -5672,25 +5778,25 @@ Type  H <return>  for immediate help.}%
     \fi
   \fi
   \else\@badlinearg\fi}
-\gdef\@hvector{\@hline\hb@xt@\z@{\@linefnt
+\def\@hvector{\@hline\hb@xt@\z@{\@linefnt
  \ifnum \@xarg <\z@ \@getlarrow(1,0)\hss\else
     \hss\@getrarrow(1,0)\fi}}
-\gdef\@vvector{\ifnum \@yarg <\z@ \@downvector \else \@upvector \fi}
-\gdef\@svector{\@sline
+\def\@vvector{\ifnum \@yarg <\z@ \@downvector \else \@upvector \fi}
+\def\@svector{\@sline
   \@tempcnta\@yarg \ifnum\@tempcnta <\z@ \@tempcnta -\@tempcnta\fi
   \ifnum\@tempcnta <5%
     \hskip -\wd\@linechar
     \@upordown\@clnht \hbox{\@linefnt  \if@negarg
     \@getlarrow(\@xarg,\@yyarg)\else \@getrarrow(\@xarg,\@yyarg)\fi}%
   \else\@badlinearg\fi}
-\gdef\@getlarrow(#1,#2){\ifnum #2=\z@ \@tempcnta 27 % '33
+\def\@getlarrow(#1,#2){\ifnum #2=\z@ \@tempcnta 27 % '33
   \else
   \@tempcnta #1\relax\multiply\@tempcnta \sixt@@n
   \advance\@tempcnta -9 \@tempcntb #2\relax\multiply\@tempcntb \tw@
   \ifnum \@tempcntb >\z@ \advance\@tempcnta \@tempcntb
   \else\advance\@tempcnta -\@tempcntb\advance\@tempcnta 64
   \fi\fi\char\@tempcnta}
-\gdef\@getrarrow(#1,#2){\@tempcntb #2\relax
+\def\@getrarrow(#1,#2){\@tempcntb #2\relax
 \ifnum\@tempcntb <\z@ \@tempcntb -\@tempcntb\relax\fi
 \ifcase \@tempcntb\relax \@tempcnta 45  % '55
 \or
@@ -5704,19 +5810,19 @@ Type  H <return>  for immediate help.}%
 \@tempcnta #1\relax\multiply\@tempcnta
 \sixt@@n \advance\@tempcnta 7 \fi\ifnum #2<\z@ \advance\@tempcnta 64 \fi
 \char\@tempcnta}
-\gdef\@vline{\ifnum \@yarg <\z@ \@downline \else \@upline\fi}
-\gdef\@upline{%
+\def\@vline{\ifnum \@yarg <\z@ \@downline \else \@upline\fi}
+\def\@upline{%
   \hb@xt@\z@{\hskip -\@halfwidth \vrule \@width \@wholewidth
    \@height \@linelen \@depth \z@\hss}}
-\gdef\@downline{%
+\def\@downline{%
   \hb@xt@\z@{\hskip -\@halfwidth \vrule \@width \@wholewidth
    \@height \z@ \@depth \@linelen \hss}}
-\gdef\@upvector{\@upline\setbox\@tempboxa\hbox{\@linefnt\char 54}% '66
+\def\@upvector{\@upline\setbox\@tempboxa\hbox{\@linefnt\char 54}% '66
   \raise \@linelen \hb@xt@\z@{\lower \ht\@tempboxa\box\@tempboxa\hss}}
-\gdef\@downvector{\@downline\lower \@linelen
+\def\@downvector{\@downline\lower \@linelen
       \hb@xt@\z@{\@linefnt\char 63  % '77
       \hss}}
-\gdef\dashbox#1(#2,#3){\leavevmode\hb@xt@\z@{\baselineskip \z@skip
+\def\dashbox#1(#2,#3){\leavevmode\hb@xt@\z@{\baselineskip \z@skip
 \lineskip \z@skip
 \@dashdim #2\unitlength
 \@dashcnt \@dashdim \advance\@dashcnt 200
@@ -5772,7 +5878,7 @@ Type  H <return>  for immediate help.}%
 \newdimen\@ovdy
 \newdimen\@ovro
 \newdimen\@ovri
-\gdef\@getcirc#1{\@tempdima #1\relax \advance\@tempdima 2\p@
+\def\@getcirc#1{\@tempdima #1\relax \advance\@tempdima 2\p@
   \@tempcnta\@tempdima
   \@tempdima 4\p@ \divide\@tempcnta\@tempdima
   \ifnum \@tempcnta >10\relax
@@ -5787,11 +5893,11 @@ Type  H <return>  for immediate help.}%
 \def\@picture@warn{\@latex@warning{%
      \string\oval, \string\circle, or \string\line\space
      size unavailable}}
-\gdef\@put#1#2#3{\raise #2\hb@xt@\z@{\hskip #1#3\hss}}
-\gdef\oval(#1,#2){\@ifnextchar[{\@oval(#1,#2)}{\@oval(#1,#2)[]}}
+\def\@put#1#2#3{\raise #2\hb@xt@\z@{\hskip #1#3\hss}}
+\def\oval(#1,#2){\@ifnextchar[{\@oval(#1,#2)}{\@oval(#1,#2)[]}}
 \newif\if@ovvline \@ovvlinetrue
 \newif\if@ovhline \@ovhlinetrue
-\gdef\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
+\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
   \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
   \@ovvlinefalse \@ovhlinefalse
   \@tfor\reserved@a :=#3\do{\csname @ov\reserved@a false\endcsname}%
@@ -5814,7 +5920,7 @@ Type  H <return>  for immediate help.}%
   \advance\@ovdy\@ovro \ht\@tempboxa\z@ \dp\@tempboxa\z@
   \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}%
   \endgroup}
-\gdef\@ovvert#1#2{\vbox to\@ovyy{%
+\def\@ovvert#1#2{\vbox to\@ovyy{%
     \if@ovb \@tempcntb \@tempcnta \advance \@tempcntb #1\relax
       \kern -\@ovro \hbox{\char \@tempcntb}\nointerlineskip
     \else \kern \@ovri \kern \@ovdy \fi
@@ -5823,14 +5929,14 @@ Type  H <return>  for immediate help.}%
     \if@ovt \@tempcntb \@tempcnta \advance \@tempcntb #2\relax
       \hbox{\char \@tempcntb}%
     \else \kern \@ovdy \kern \@ovro \fi}}
-\gdef\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
+\def\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
     \if@ovr \else \kern \@ovdx \fi
     \if@ovhline \leaders \hrule \@height \@wholewidth \fi
     \hfil
     \if@ovl \else \kern \@ovdx \fi
     \kern \@ovri}}
-\gdef\circle{\@inmatherr\circle\@ifstar\@dot\@circle}
-\gdef\@circle#1{%
+\def\circle{\@inmatherr\circle\@ifstar\@dot\@circle}
+\def\@circle#1{%
   \begingroup \boxmaxdepth \maxdimen \@tempdimb #1\unitlength
    \ifdim \@tempdimb >15.5\p@ \@getcirc\@tempdimb
       \@ovro\ht\@tempboxa
@@ -5842,8 +5948,8 @@ Type  H <return>  for immediate help.}%
         \box\@tempboxa}\ht\@tempboxa\z@ \dp\@tempboxa\z@
       \@put{-\@ovro}{-\@ovro}{\box\@tempboxa}%
    \else  \@circ\@tempdimb{96}\fi\endgroup}
-\gdef\@dot#1{\@tempdimb #1\unitlength \@circ\@tempdimb{112}}
-\gdef\@circ#1#2{\@tempdima #1\relax \advance\@tempdima .5\p@
+\def\@dot#1{\@tempdimb #1\unitlength \@circ\@tempdimb{112}}
+\def\@circ#1#2{\@tempdima #1\relax \advance\@tempdima .5\p@
    \@tempcnta\@tempdima \@tempdima \p@
    \divide\@tempcnta\@tempdima
    \ifnum\@tempcnta >15\relax \@tempcnta 15\relax \fi
@@ -5867,10 +5973,10 @@ Type  H <return>  for immediate help.}%
 \let\@circlefnt\tencirc
 \@wholewidth\fontdimen8\tenln
 \@halfwidth .5\@wholewidth
-\gdef\qbeziermax{500}
+\def\qbeziermax{500}
 \newcommand\qbezier[2][0]{\bezier{#1}#2}
-\gdef\bezier#1)#2(#3)#4({\@bezier#1)(#3)(}
-\gdef\@bezier#1(#2,#3)(#4,#5)(#6,#7){%
+\def\bezier#1)#2(#3)#4({\@bezier#1)(#3)(}
+\def\@bezier#1(#2,#3)(#4,#5)(#6,#7){%
   \ifnum #1=\z@
       \@ovxx #4\unitlength
         \advance\@ovxx -#2\unitlength
@@ -5920,6 +6026,18 @@ Type  H <return>  for immediate help.}%
             \hb@xt@\z@{\kern\@xdim
                         \unhcopy\@tempboxa\hss}%
          \advance\count@\@ne}}}
+\MakeRobust\bezier
+\MakeRobust\circle
+\MakeRobust\dashbox
+\MakeRobust\line
+\MakeRobust\linethickness
+\MakeRobust\multiput
+\MakeRobust\oval
+\MakeRobust\put
+\MakeRobust\qbezier
+\MakeRobust\shortstack
+\MakeRobust\thinlines
+\MakeRobust\vector
 %%% From File: ltthm.dtx
 \def\newtheorem#1{%
   \@ifnextchar[{\@othm{#1}}{\@nthm{#1}}}
@@ -5961,21 +6079,21 @@ Type  H <return>  for immediate help.}%
 \def\@endtheorem{\endtrivlist}
 %%% From File: ltsect.dtx
 \message{title,}
-\def\title#1{\gdef\@title{#1}}
-\def\@title{\@latex@error{No \noexpand\title given}\@ehc}
-\def\author#1{\gdef\@author{#1}}
-\def\@author{\@latex@warning@no@line{No \noexpand\author given}}
-\def\date#1{\gdef\@date{#1}}
-\gdef\@date{\today}
-\def\thanks#1{\footnotemark
+\DeclareRobustCommand\title[1]{\gdef\@title{#1}}
+\DeclareRobustCommand\author[1]{\gdef\@author{#1}}
+\DeclareRobustCommand\date[1]{\gdef\@date{#1}}
+\DeclareRobustCommand\thanks[1]{\footnotemark
     \protected@xdef\@thanks{\@thanks
         \protect\footnotetext[\the\c@footnote]{#1}}%
 }
-\let\@thanks\@empty
-\def\and{%                  % \begin{tabular}
+\DeclareRobustCommand\and{%   % \begin{tabular}
   \end{tabular}%
   \hskip 1em \@plus.17fil%
-  \begin{tabular}[t]{c}}%   % \end{tabular}
+  \begin{tabular}[t]{c}}%     % \end{tabular}
+\def\@title{\@latex@error{No \noexpand\title given}\@ehc}
+\def\@author{\@latex@warning@no@line{No \noexpand\author given}}
+\gdef\@date{\today}
+\let\@thanks\@empty
 \message{sectioning,}
 \newcount\@secpenalty
 \@secpenalty = -300
@@ -6547,7 +6665,7 @@ Type  H <return>  for immediate help.}%
      \hfil}\let\@evenhead\@empty\let\@evenfoot\@oddfoot}
 \let\@leftmark\@firstoftwo
 \let\@rightmark\@secondoftwo
-\def\markboth#1#2{%
+\DeclareRobustCommand\markboth[2]{%
   \begingroup
     \let\label\relax \let\index\relax \let\glossary\relax
     \unrestored@protected@xdef\@themark {{#1}{#2}}%
@@ -6555,7 +6673,7 @@ Type  H <return>  for immediate help.}%
     \mark{\the\@temptokena}%
   \endgroup
   \if@nobreak\ifvmode\nobreak\fi\fi}
-\def\markright#1{%
+\DeclareRobustCommand\markright[1]{%
   \begingroup
     \let\label\relax \let\index\relax \let\glossary\relax
     \expandafter\@markright\@themark {#1}%
@@ -6568,18 +6686,18 @@ Type  H <return>  for immediate help.}%
 \def\leftmark{\expandafter\@leftmark\botmark\@empty\@empty}
 \def\rightmark{\expandafter\@rightmark\firstmark\@empty\@empty}
 \def\@themark{{}{}}
-\def\raggedbottom{%
+\DeclareRobustCommand\raggedbottom{%
   \def\@textbottom{\vskip \z@ \@plus.0001fil}\let\@texttop\relax}
-\def\flushbottom{%
+\DeclareRobustCommand\flushbottom{%
   \let\@textbottom\relax \let\@texttop\relax}
-\def\sloppy{%
+\DeclareRobustCommand\sloppy{%
   \tolerance 9999%
   \emergencystretch 3em%
   \hfuzz .5\p@
   \vfuzz\hfuzz}
 \def\sloppypar{\par\sloppy}
 \def\endsloppypar{\par}
-\def\fussy{%
+\DeclareRobustCommand\fussy{%
   \emergencystretch\z@
   \tolerance 200%
   \hfuzz .1\p@
@@ -6650,7 +6768,7 @@ Type  H <return>  for immediate help.}%
 \newdimen\marginparsep
 \newdimen\marginparpush
 \newbox\@begindvibox
-\def \AtBeginDvi #1{%
+\DeclareRobustCommand \AtBeginDvi [1]{%
   \global \setbox \@begindvibox
     \vbox{\unvbox \@begindvibox #1}%
 }
@@ -8042,8 +8160,8 @@ Type  H <return>  for immediate help.}%
 \let\AtEndOfClass\AtEndOfPackage
 \@onlypreamble\AtEndOfPackage
 \@onlypreamble\AtEndOfClass
-\def\AtBeginDocument{\g@addto@macro\@begindocumenthook}
-\def\AtEndDocument{\g@addto@macro\@enddocumenthook}
+\DeclareRobustCommand\AtBeginDocument{\g@addto@macro\@begindocumenthook}
+\DeclareRobustCommand\AtEndDocument{\g@addto@macro\@enddocumenthook}
 \@onlypreamble\AtBeginDocument
 \def\@cls@pkg{%
   \ifx\@currext\@clsextension
@@ -8088,6 +8206,31 @@ Type  H <return>  for immediate help.}%
     {The document may only declare one class.}\@gobble}
 \@onlypreamble\@twoclasseserror
 \def\two@digits#1{\ifnum#1<10 0\fi\number#1}
+
+\def\filecontents{\@tempswatrue\@fileswtrue
+  \@ifnextchar[\filec@ntents@opt\filec@ntents
+}
+\@namedef{filecontents*}{\@tempswafalse\@fileswtrue
+  \@ifnextchar[\filec@ntents@opt\filec@ntents
+}
+\def\filec@ntents@opt[#1]{%
+  \@for\@tempa:=#1\do{%
+    \ifcsname filec@ntents@\@tempa\endcsname
+      \csname filec@ntents@\@tempa\endcsname
+    \else
+    \@latex@error{Unknown filecontents option #1}%
+       {Valid options are force (or overwrite), nosearch, noheader}%
+    \fi}%
+  \filec@ntents
+}
+\let\filec@ntents@force\@fileswfalse
+\let\filec@ntents@overwrite\@fileswfalse  % alternative name
+\let\filec@ntents@noheader\@tempswafalse
+\def\filec@ntents@nosearch{%
+  \let\filec@ntents@checkdir\@currdir
+  \def\filec@ntents@where{in current directory}}
+\let\filec@ntents@checkdir\@empty
+\def\filec@ntents@where{exists on the system}
 \begingroup%
 \@tempcnta=1
 \loop
@@ -8099,28 +8242,53 @@ Type  H <return>  for immediate help.}%
 \catcode`\^^M\active%
 \catcode`\^^L\active\let^^L\relax%
 \catcode`\^^I\active%
-\gdef\filecontents{\@tempswatrue\filec@ntents}%
-\gdef\filecontents*{\@tempswafalse\filec@ntents}%
 \gdef\filec@ntents#1{%
-  \openin\@inputcheck#1 %
+  \set@curr@file{\filec@ntents@checkdir#1}%
+  \edef\q@curr@file{\expandafter\quote@name\expandafter{\@curr@file}}%
+  \openin\@inputcheck\q@curr@file \space %
   \ifeof\@inputcheck%
     \@latex@warning@no@line%
-        {Writing file `\@currdir#1'}%
+        {Writing file `\@currdir\@curr@file'}%
     \chardef\reserved@c15 %
     \ch@ck7\reserved@c\write%
-    \immediate\openout\reserved@c#1\relax%
+    \immediate\openout\reserved@c\q@curr@file\relax%
   \else%
-    \closein\@inputcheck%
-    \@latex@warning@no@line%
-            {File `#1' already exists on the system.\MessageBreak%
+    \if@filesw%
+      \@latex@warning@no@line%
+          {File `\@curr@file' already \filec@ntents@where.\MessageBreak%
              Not generating it from this source}%
-    \let\write\@gobbletwo%
-    \let\closeout\@gobble%
+      \let\write\@gobbletwo%
+      \let\closeout\@gobble%
+    \else%
+      \edef\reserved@a{#1}%
+      \edef\reserved@a{\detokenize\expandafter{\reserved@a}}%
+      \edef\reserved@b{\detokenize\expandafter{\jobname}}%
+      \ifx\reserved@a\reserved@b%
+        \@fileswtrue%
+      \else%
+        \edef\reserved@b{\reserved@b\detokenize{.tex}}%
+        \ifx\reserved@a\reserved@b
+          \@fileswtrue%
+        \fi%
+      \fi%
+      \chardef\reserved@c15 %
+      \ch@ck7\reserved@c\write%
+      \if@filesw%  % Foul ... trying to overwrite \jobname!
+      \@latex@error{Trying to overwrite `\jobname.tex'}{You can't %
+        write to the file you a reading from!\MessageBreak%
+        Data is written to screen instead.}%
+      \else%
+        \@latex@warning@no@line%
+           {Writing or overwriting file `\@currdir\@curr@file'}%
+        \immediate\openout\reserved@c#1\relax%
+      \fi%
+    \fi%
   \fi%
+  \closein\@inputcheck%
   \if@tempswa%
     \immediate\write\reserved@c{%
       \@percentchar\@percentchar\space%
-          \expandafter\@gobble\string\LaTeX2e file `#1'^^J%
+          \expandafter\@gobble\string\LaTeX2e file `\@curr@file'^^J%
       \@percentchar\@percentchar\space  generated by the %
         `\@currenvir' \expandafter\@gobblefour\string\newenvironment^^J%
       \@percentchar\@percentchar\space from source `\jobname' on %
@@ -8146,7 +8314,7 @@ Type  H <return>  for immediate help.}%
       \ifx\relax##1\relax%
       \else%
           \@latex@warning{Writing text `##1' before %
-             \string\end{\@currenvir}\MessageBreak as last line of #1}%
+             \string\end{\@currenvir}\MessageBreak as last line of \@curr@file}%
         \immediate\write\reserved@c{##1}%
       \fi%
       \ifx\relax##2\relax%
@@ -8181,12 +8349,7 @@ Type  H <return>  for immediate help.}%
   \T\I{Tab}{Spac}|
   \immediate\write\@unused{}}
 \global\let\endfilecontents*\endfilecontents
-\@onlypreamble\filecontents
-\@onlypreamble\endfilecontents
-\@onlypreamble\filecontents*
-\@onlypreamble\endfilecontents*
 \endgroup
-\@onlypreamble\filec@ntents
 \let\pkgcls@debug\@gobble
 \def\requestedLaTeXdate{0}
 \ifx\pkgcls@targetdate\@undefined
@@ -8372,7 +8535,7 @@ Type  H <return>  for immediate help.}%
   \fi
 }
 
-\long\def\IfTargetDateBefore#1{%
+\DeclareRobustCommand\IfTargetDateBefore[1]{%
   \ifnum\pkgcls@innerdate <%
         \expandafter\@parse@version\expandafter0#1//00\@nil
     \typeout{Exclude code introduced on #1}%
@@ -8833,12 +8996,18 @@ Type  H <return>  for immediate help.}%
       \def\i{I}\def\j{J}%
       \def\reserved@a##1##2{\let##1##2\reserved@a}%
       \expandafter\reserved@a\@uclclist\reserved@b{\reserved@b\@gobble}%
+      \let\UTF@two@octets@noexpand\@empty
+      \let\UTF@three@octets@noexpand\@empty
+      \let\UTF@four@octets@noexpand\@empty
       \protected@edef\reserved@a{\uppercase{#1}}%
       \reserved@a
    }}
 \DeclareRobustCommand{\MakeLowercase}[1]{{%
       \def\reserved@a##1##2{\let##2##1\reserved@a}%
       \expandafter\reserved@a\@uclclist\reserved@b{\reserved@b\@gobble}%
+      \let\UTF@two@octets@noexpand\@empty
+      \let\UTF@three@octets@noexpand\@empty
+      \let\UTF@four@octets@noexpand\@empty
       \protected@edef\reserved@a{\lowercase{#1}}%
       \reserved@a
    }}
diff --git a/Master/texmf-dist/tex/latex/base/latex209.def b/Master/texmf-dist/tex/latex/base/latex209.def
index 7398e12a3dc..593d69f59fd 100644
--- a/Master/texmf-dist/tex/latex/base/latex209.def
+++ b/Master/texmf-dist/tex/latex/base/latex209.def
@@ -15,7 +15,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -28,7 +28,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latexrelease.sty b/Master/texmf-dist/tex/latex/base/latexrelease.sty
index caab7ac2d39..3b827483af2 100644
--- a/Master/texmf-dist/tex/latex/base/latexrelease.sty
+++ b/Master/texmf-dist/tex/latex/base/latexrelease.sty
@@ -53,7 +53,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -66,7 +66,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -272,7 +272,7 @@
   \fi
 }
 
-\long\def\IfTargetDateBefore#1{%
+\DeclareRobustCommand\IfTargetDateBefore[1]{%
   \ifnum\pkgcls@innerdate <%
         \expandafter\@parse@version\expandafter0#1//00\@nil
     \typeout{Exclude code introduced on #1}%
@@ -284,12 +284,13 @@
 }
 %%% From File: ltvers.dtx
 \edef\latexreleaseversion
-   {2018-12-01}
+   {2019-10-01}
 \newif\if@includeinrelease
 \@includeinreleasefalse
 \def\IncludeInRelease#1{%
  \if@includeinrelease
-  \PackageError{latexrelease}{mis-matched IncludeInRelease}{}%
+   \PackageError{latexrelease}{mis-matched IncludeInRelease}%
+                {There is an \string\EndIncludeRelease\space missing}%
   \@includeinreleasefalse
   \fi
   \kernel@ifnextchar[%
@@ -326,7 +327,7 @@
 \long\def\@check@IncludeInRelease#1\IncludeInRelease
                                    #2#3\@end@check@IncludeInRelease{%
   \ifx\@check@IncludeInRelease#2\else
-    \PackageError{latexrelease}{skipped IncludeInRelease}{}%
+    \PackageError{latexrelease}{skipped IncludeInRelease for tag \string#2}{}%
   \fi}
 \ProvidesPackage{latexrelease}
           [2018/05/08 v1.0k LaTeX release emulation and tests
@@ -419,6 +420,32 @@ of this package available from CTAN}
 \EndIncludeInRelease
 \fi
 %%% From File: ltdefns.dtx
+\IncludeInRelease{2019/10/01}{\MakeRobust}{\MakeRobust}%
+\def\MakeRobust#1{%
+  \@ifundefined{\expandafter\@gobble\string#1}{%
+    \@latex@error{The control sequence `\string#1' is undefined!%
+      \MessageBreak There is nothing here to make robust}%
+    \@eha
+  }%
+  {%
+    \@ifundefined{\expandafter\@gobble\string#1\space}%
+    {%
+      \global\expandafter\let\csname
+      \expandafter\@gobble\string#1\space\endcsname=#1%
+      \edef\reserved@a{\string#1}%
+      \def\reserved@b{#1}%
+      \edef\reserved@b{\expandafter\strip@prefix\meaning\reserved@b}%
+      \xdef#1{%
+        \ifx\reserved@a\reserved@b
+          \noexpand\x@protect\noexpand#1%
+        \fi
+        \noexpand\protect\expandafter\noexpand
+        \csname\expandafter\@gobble\string#1\space\endcsname}%
+    }%
+    {\@latex@info{The control sequence `\string#1' is already robust}}%
+   }%
+}%
+\EndIncludeInRelease
 \IncludeInRelease{2015/01/01}{\MakeRobust}{\MakeRobust}%
 \def\MakeRobust#1{%
   \@ifundefined{\expandafter\@gobble\string#1}{%
@@ -448,6 +475,19 @@ of this package available from CTAN}
 \IncludeInRelease{0000/00/00}{\MakeRobust}{\MakeRobust}%
 \let\MakeRobust\@undefined
 \EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\kernel@make@fragile}{Undo robustness}%
+\def\kernel@make@fragile#1{%
+  \@ifundefined{\expandafter\@gobble\string#1\space}%
+     {}%
+     {%
+      \global\expandafter\let\expandafter #1\csname
+      \expandafter\@gobble\string#1\space\endcsname
+      \global\expandafter\let\csname
+      \expandafter\@gobble\string#1\space\endcsname\@undefined
+     }%
+}
+\EndIncludeInRelease
 \IncludeInRelease{2018-04-01}{\@ifundefined}
 {Leave commands undefined in \@ifundefined}%
 \def\@ifundefined#1{%
@@ -501,6 +541,46 @@ of this package available from CTAN}
 \def\-{\discretionary{-}{}{}}
 \let\@dischyph=\-
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\allowbreak}{Make various commands robust}%
+\MakeRobust\allowbreak
+\MakeRobust\bigbreak
+\MakeRobust\break
+\MakeRobust\dotfill
+\MakeRobust\frenchspacing
+\MakeRobust\goodbreak
+\MakeRobust\hrulefill
+\MakeRobust\medbreak
+\MakeRobust\nobreak
+\MakeRobust\nonfrenchspacing
+\MakeRobust\obeylines
+\MakeRobust\obeyspaces
+\MakeRobust\slash
+\MakeRobust\smallbreak
+\MakeRobust\strut
+\MakeRobust\underbar
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\allowbreak}{Make various commands robust}%
+
+\kernel@make@fragile\allowbreak
+\kernel@make@fragile\bigbreak
+\kernel@make@fragile\break
+\kernel@make@fragile\dotfill
+\kernel@make@fragile\frenchspacing
+\kernel@make@fragile\goodbreak
+\kernel@make@fragile\hrulefill
+\kernel@make@fragile\medbreak
+\kernel@make@fragile\nobreak
+\kernel@make@fragile\nonfrenchspacing
+\kernel@make@fragile\obeylines
+\kernel@make@fragile\obeyspaces
+\kernel@make@fragile\slash
+\kernel@make@fragile\smallbreak
+\kernel@make@fragile\strut
+\kernel@make@fragile\underbar
+
+\EndIncludeInRelease
 %%% From File: ltalloc.dtx
 %%% From File: ltcntrl.dtx
 %%% From File: lterror.dtx
@@ -626,7 +706,50 @@ of this package available from CTAN}
 \expandafter\let\csname raisebox \endcsname\@undefined
 \EndIncludeInRelease
 %%% From File: lttab.dtx
+\IncludeInRelease{2019/10/01}%
+                 {\pushtabs}{Make commands robust}%
+\DeclareRobustCommand\pushtabs{%
+  \@stopfield\@addfield\global\advance\@tabpush \@ne \begingroup
+       \@contfield}
+\DeclareRobustCommand\poptabs{\@stopfield\@addfield
+  \ifnum \@tabpush >\z@
+    \endgroup
+    \global\advance\@tabpush \m@ne
+    \ifnum \@curtab >\@hightab
+      \global \@curtab \@hightab
+      \@badtab
+    \fi
+  \else
+    \@badpoptabs
+  \fi
+  \@contfield}
+\DeclareRobustCommand\kill{\@stopfield\@startline\ignorespaces}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\pushtabs}{Make commands robust}%
+
+\kernel@make@fragile\pushtabs
+\kernel@make@fragile\poptabs
+\kernel@make@fragile\kill
+
+\EndIncludeInRelease
 %%% From File: ltmath.dtx
+\IncludeInRelease{2019/10/01}%
+                 {\vphantom}{Make commands robust}%
+\DeclareRobustCommand\vphantom{\v@true\h@false\ph@nt}
+\DeclareRobustCommand\hphantom{\v@false\h@true\ph@nt}
+\DeclareRobustCommand\phantom{\v@true\h@true\ph@nt}
+\DeclareRobustCommand\mathstrut{\vphantom(}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\vphantom}{Make commands robust}%
+
+\kernel@make@fragile\vphantom
+\kernel@make@fragile\hphantom
+\kernel@make@fragile\phantom
+\kernel@make@fragile\mathstrut
+
+\EndIncludeInRelease
 \IncludeInRelease{2018/12/01}%
                  {\finph@nt}{Start LR-mode}%
 \def\finph@nt{%
@@ -650,6 +773,24 @@ of this package available from CTAN}
                  {\finsm@sh}{Start LR-mode}%
 \def\finsm@sh{\ht\z@\z@ \dp\z@\z@ \box\z@}
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\cases}{Make commands robust}%
+\DeclareRobustCommand\cases[1]{\left\{\,\vcenter{\normalbaselines\m@th
+    \ialign{$##\hfil$&\quad{##}\hfil\crcr#1\crcr}}\right.}
+\DeclareRobustCommand\matrix[1]{\null\,\vcenter{\normalbaselines\m@th
+    \ialign{\hfil$##$\hfil&&\quad\hfil$##$\hfil\crcr
+      \mathstrut\crcr\noalign{\kern-\baselineskip}
+      #1\crcr\mathstrut\crcr\noalign{\kern-\baselineskip}}}\,}
+\DeclareRobustCommand\pmatrix[1]{\left(\matrix{#1}\right)}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\cases}{Make commands robust}%
+
+\kernel@make@fragile\cases
+\kernel@make@fragile\matrix
+\kernel@make@fragile\pmatrix
+
+\EndIncludeInRelease
 \IncludeInRelease{2015/01/01}{\(}{Make \( robust}%
 \DeclareRobustCommand\({%
   \relax\ifmmode\@badmath\else$\fi}%
@@ -722,7 +863,7 @@ of this package available from CTAN}
                  {Avoid almost zero length leaders}%
 \newif\if@ovvline \@ovvlinetrue
 \newif\if@ovhline \@ovhlinetrue
-\gdef\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
+\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
   \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
   \@ovvlinefalse \@ovhlinefalse
   \@tfor\reserved@a :=#3\do{\csname @ov\reserved@a false\endcsname}%
@@ -745,7 +886,7 @@ of this package available from CTAN}
   \advance\@ovdy\@ovro \ht\@tempboxa\z@ \dp\@tempboxa\z@
   \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}%
   \endgroup}
-\gdef\@ovvert#1#2{\vbox to\@ovyy{%
+\def\@ovvert#1#2{\vbox to\@ovyy{%
     \if@ovb \@tempcntb \@tempcnta \advance \@tempcntb #1\relax
       \kern -\@ovro \hbox{\char \@tempcntb}\nointerlineskip
     \else \kern \@ovri \kern \@ovdy \fi
@@ -754,7 +895,7 @@ of this package available from CTAN}
     \if@ovt \@tempcntb \@tempcnta \advance \@tempcntb #2\relax
       \hbox{\char \@tempcntb}%
     \else \kern \@ovdy \kern \@ovro \fi}}
-\gdef\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
+\def\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
     \if@ovr \else \kern \@ovdx \fi
     \if@ovhline \leaders \hrule \@height \@wholewidth \fi
     \hfil
@@ -766,7 +907,7 @@ of this package available from CTAN}
                  {Avoid almost zero length leaders}%
 \let\if@ovvline\@undefined
 \let\if@ovhline\@undefined
-\gdef\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
+\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
   \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
   \@tfor\reserved@a :=#3\do
                 {\csname @ov\reserved@a false\endcsname}%
@@ -788,7 +929,7 @@ of this package available from CTAN}
   \advance\@ovdy\@ovro \ht\@tempboxa\z@ \dp\@tempboxa\z@
   \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}%
   \endgroup}
-\gdef\@ovvert#1#2{\vbox to\@ovyy{%
+\def\@ovvert#1#2{\vbox to\@ovyy{%
     \if@ovb \@tempcntb \@tempcnta \advance \@tempcntb #1\relax
       \kern -\@ovro \hbox{\char \@tempcntb}\nointerlineskip
     \else \kern \@ovri \kern \@ovdy \fi
@@ -796,14 +937,70 @@ of this package available from CTAN}
     \if@ovt \@tempcntb \@tempcnta \advance \@tempcntb #2\relax
       \hbox{\char \@tempcntb}%
     \else \kern \@ovdy \kern \@ovro \fi}}
-\gdef\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
+\def\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
     \if@ovr \else \kern \@ovdx \fi
     \leaders \hrule \@height \@wholewidth \hfil
     \if@ovl \else \kern \@ovdx \fi
     \kern \@ovri}}
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\bezier}{Make commands robust}%
+\MakeRobust\bezier
+\MakeRobust\circle
+\MakeRobust\dashbox
+\MakeRobust\line
+\MakeRobust\linethickness
+\MakeRobust\multiput
+\MakeRobust\oval
+\MakeRobust\put
+\MakeRobust\qbezier
+\MakeRobust\shortstack
+\MakeRobust\thinlines
+\MakeRobust\vector
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\bezier}{Make commands robust}%
+
+\kernel@make@fragile\bezier
+\kernel@make@fragile\circle
+\kernel@make@fragile\dashbox
+\kernel@make@fragile\line
+\kernel@make@fragile\linethickness
+\kernel@make@fragile\multiput
+\kernel@make@fragile\oval
+\kernel@make@fragile\put
+\kernel@make@fragile\qbezier
+\kernel@make@fragile\shortstack
+\kernel@make@fragile\thinlines
+\kernel@make@fragile\vector
+
+\EndIncludeInRelease
 %%% From File: ltthm.dtx
 %%% From File: ltsect.dtx
+\IncludeInRelease{2019/10/01}%
+                 {\title}{Make commands robust}%
+\DeclareRobustCommand\title[1]{\gdef\@title{#1}}
+\DeclareRobustCommand\author[1]{\gdef\@author{#1}}
+\DeclareRobustCommand\date[1]{\gdef\@date{#1}}
+\DeclareRobustCommand\thanks[1]{\footnotemark
+    \protected@xdef\@thanks{\@thanks
+        \protect\footnotetext[\the\c@footnote]{#1}}%
+}
+\DeclareRobustCommand\and{%   % \begin{tabular}
+  \end{tabular}%
+  \hskip 1em \@plus.17fil%
+  \begin{tabular}[t]{c}}%     % \end{tabular}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\title}{Make commands robust}%
+
+\kernel@make@fragile\title
+\kernel@make@fragile\author
+\kernel@make@fragile\date
+\kernel@make@fragile\thanks
+\kernel@make@fragile\and
+
+\EndIncludeInRelease
 \IncludeInRelease{2018/12/01}%
                  {\addcontentsline}{Mask line endings}%
 \def\addcontentsline#1#2#3{%
@@ -887,7 +1084,7 @@ of this package available from CTAN}
     \immediate\write\@mainaux{\relax}%
   \fi
   \process@table
-  \let\glb@currsize\@empty  %% Force math initialization.
+  \let\glb@currsize\@empty  % Force math initialization.
   \normalsize
   \everypar{}%
   \ifx\normalsfcodes\@empty
@@ -971,6 +1168,127 @@ of this package available from CTAN}
   \global\let\do\noexpand
   \ignorespaces}
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\includeonly}{Spaces in file names}%
+\def\includeonly#1{%
+  \@partswtrue
+  \set@curr@file{\zap@space#1 \@empty}%
+  \let\@partlist\@curr@file
+  }
+\@onlypreamble\includeonly
+\def\include#1{\relax
+  \ifnum\@auxout=\@partaux
+    \@latex@error{\string\include\space cannot be nested}\@eha
+  \else
+  \set@curr@file{#1 }%
+  \expandafter\@include\@curr@file
+  \fi}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\includeonly}{Spaces in file names}%
+\def\includeonly#1{%
+  \@partswtrue
+  \edef\@partlist{\zap@space#1 \@empty}}
+
+\def\include#1{\relax
+  \ifnum\@auxout=\@partaux
+    \@latex@error{\string\include\space cannot be nested}\@eha
+  \else \@include#1 \fi}
+
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\set@curr@file}{Quote file names}%
+\def\set@curr@file#1{%
+  \begingroup
+    \escapechar\m@ne
+    \xdef\@curr@file{\expandafter\string\csname #1\endcsname}%
+  \endgroup
+}
+\def\quote@name#1{"\quote@@name#1\@gobble""}
+\def\quote@@name#1"{#1\quote@@name}
+\def\unquote@name#1{\quote@@name#1\@gobble"}
+\DeclareRobustCommand\IfFileExists[1]{%
+  \set@curr@file{#1}%
+  \edef\q@curr@file{\expandafter\quote@name\expandafter{\@curr@file}}%
+  \expandafter\IfFileExists@\expandafter{\q@curr@file}}
+\long\def \IfFileExists@#1#2#3{%
+  \openin\@inputcheck#1 %
+  \ifeof\@inputcheck
+    \ifx\input@path\@undefined
+      \def\reserved@a{#3}%
+    \else
+      \def\reserved@a{\@iffileonpath{#1}{#2}{#3}}%
+    \fi
+  \else
+    \closein\@inputcheck
+    \edef\@filef@und{#1 }%
+    \def\reserved@a{#2}%
+  \fi
+  \reserved@a}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\set@curr@file}{Quote file names}%
+
+\let\quote@name\@undefined
+\let\quote@@name\@undefined
+\let\unquote@name\@undefined
+\let\set@curr@file\@undefined
+
+\let\IfFileExists@\@undefined
+
+\long\def \IfFileExists#1#2#3{%
+  \openin\@inputcheck#1 %
+  \ifeof\@inputcheck
+    \ifx\input@path\@undefined
+      \def\reserved@a{#3}%
+    \else
+      \def\reserved@a{\@iffileonpath{#1}{#2}{#3}}%
+    \fi
+  \else
+    \closein\@inputcheck
+    \edef\@filef@und{#1 }%
+    \def\reserved@a{#2}%
+  \fi
+  \reserved@a}
+
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+  {\InputIfFileExists}{Don't lose the file name}%
+\DeclareRobustCommand \InputIfFileExists[2]{%
+  \IfFileExists{#1}%
+    {%
+  \expandafter\@swaptwoargs\expandafter
+      {\@filef@und}{#2\@addtofilelist{#1}\@@input}}}
+\long\def\@swaptwoargs#1#2{#2#1}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+  {\InputIfFileExists}{Don't lose the file name}%
+\long\def \InputIfFileExists#1#2{%
+  \IfFileExists{#1}%
+    {#2\@addtofilelist{#1}\@@input \@filef@und}}
+
+\let\@swaptwoargs\@undefined
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\@iinput}{Quote file names}%
+\def\@iinput#1{%
+  \InputIfFileExists{#1}{}%
+  {\filename@parse\@curr@file
+   \edef\reserved@a{\noexpand\@missingfileerror
+     {\filename@area\filename@base}%
+     {\ifx\filename@ext\relax tex\else\filename@ext\fi}}%
+   \reserved@a}}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\@iinput}{Quote file names}%
+\def\@iinput#1{%
+  \InputIfFileExists{#1}{}%
+  {\filename@parse{#1}%
+   \edef\reserved@a{\noexpand\@missingfileerror
+     {\filename@area\filename@base}%
+     {\ifx\filename@ext\relax tex\else\filename@ext\fi}}%
+   \reserved@a}}
+\EndIncludeInRelease
 %%% From File: ltoutenc.dtx
 \IncludeInRelease{2017/04/15}{\DeclareTextCompositeCommand}
                              {test for undeclared accent}%
@@ -1017,6 +1335,33 @@ of this package available from CTAN}
    \expandafter\def\csname\expandafter\string\csname
       #2\endcsname\string#1-\string#3\@empty\endcsname{#4}}
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\UseTextAccent}{Make commands robust}%
+\DeclareRobustCommand\UseTextAccent[3]{%
+  \hmode@start@before@group
+   {%
+    \let\hmode@start@before@group\@firstofone
+    \let\@curr@enc\cf@encoding
+    \@use@text@encoding{#1}%
+    #2{\@use@text@encoding\@curr@enc#3}%
+   }}
+\DeclareRobustCommand\UseTextSymbol[2]{%
+       \hmode@start@before@group
+       {%
+          \def\@wrong@font@char{\MessageBreak
+             for \noexpand\symbol`\string#2'}%
+          \@use@text@encoding{#1}%
+          #2%
+       }%
+    }
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\UseTextAccent}{Make commands robust}%
+
+\kernel@make@fragile\UseTextAccent
+\kernel@make@fragile\UseTextSymbol
+
+\EndIncludeInRelease
 \IncludeInRelease{2015/10/01}{\textcommabelow}{comma accent}%
 \DeclareTextCommandDefault\textcommabelow[1]
   {\hmode@bgroup\ooalign{\null#1\crcr\hidewidth\raise-.31ex
@@ -1396,6 +1741,32 @@ of this package available from CTAN}
 %%% From File: ltidxglo.dtx
 %%% From File: ltbibl.dtx
 %%% From File: ltpage.dtx
+\IncludeInRelease{2019/10/01}%
+                 {\markboth}{Make commands robust}%
+\DeclareRobustCommand\markboth[2]{%
+  \begingroup
+    \let\label\relax \let\index\relax \let\glossary\relax
+    \unrestored@protected@xdef\@themark {{#1}{#2}}%
+    \@temptokena \expandafter{\@themark}%
+    \mark{\the\@temptokena}%
+  \endgroup
+  \if@nobreak\ifvmode\nobreak\fi\fi}
+\DeclareRobustCommand\markright[1]{%
+  \begingroup
+    \let\label\relax \let\index\relax \let\glossary\relax
+    \expandafter\@markright\@themark {#1}%
+    \@temptokena \expandafter{\@themark}%
+    \mark{\the\@temptokena}%
+  \endgroup
+  \if@nobreak\ifvmode\nobreak\fi\fi}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\markboth}{Make commands robust}%
+
+\kernel@make@fragile\markboth
+\kernel@make@fragile\markright
+
+\EndIncludeInRelease
 %%% From File: ltoutput.dtx
 \IncludeInRelease{2015/10/01}%
                  {\bx@ZZ}{Extended float list}%
@@ -2317,7 +2688,253 @@ of this package available from CTAN}
   \fi
   \reserved@a}
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\filec@ntents}{Spaces in file names + optional arg}%
+
+\def\filecontents{\@tempswatrue\@fileswtrue
+  \@ifnextchar[\filec@ntents@opt\filec@ntents
+}
+\@namedef{filecontents*}{\@tempswafalse\@fileswtrue
+  \@ifnextchar[\filec@ntents@opt\filec@ntents
+}
+\def\filec@ntents@opt[#1]{%
+  \@for\@tempa:=#1\do{%
+    \ifcsname filec@ntents@\@tempa\endcsname
+      \csname filec@ntents@\@tempa\endcsname
+    \else
+    \@latex@error{Unknown filecontents option #1}%
+       {Valid options are force (or overwrite), nosearch, noheader}%
+    \fi}%
+  \filec@ntents
+}
+\let\filec@ntents@force\@fileswfalse
+\let\filec@ntents@overwrite\@fileswfalse  % alternative name
+\let\filec@ntents@noheader\@tempswafalse
+\def\filec@ntents@nosearch{%
+  \let\filec@ntents@checkdir\@currdir
+  \def\filec@ntents@where{in current directory}}
+\let\filec@ntents@checkdir\@empty
+\def\filec@ntents@where{exists on the system}
+\begingroup%
+\@tempcnta=1
+\loop
+  \catcode\@tempcnta=12  %
+  \advance\@tempcnta\@ne %
+\ifnum\@tempcnta<32      %
+\repeat                  %
+\catcode`\*=11 %
+\catcode`\^^M\active%
+\catcode`\^^L\active\let^^L\relax%
+\catcode`\^^I\active%
+\gdef\filec@ntents#1{%
+  \set@curr@file{\filec@ntents@checkdir#1}%
+  \edef\q@curr@file{\expandafter\quote@name\expandafter{\@curr@file}}%
+  \openin\@inputcheck\q@curr@file \space %
+  \ifeof\@inputcheck%
+    \@latex@warning@no@line%
+        {Writing file `\@currdir\@curr@file'}%
+    \chardef\reserved@c15 %
+    \ch@ck7\reserved@c\write%
+    \immediate\openout\reserved@c\q@curr@file\relax%
+  \else%
+    \if@filesw%
+      \@latex@warning@no@line%
+          {File `\@curr@file' already \filec@ntents@where.\MessageBreak%
+             Not generating it from this source}%
+      \let\write\@gobbletwo%
+      \let\closeout\@gobble%
+    \else%
+      \edef\reserved@a{#1}%
+      \edef\reserved@a{\detokenize\expandafter{\reserved@a}}%
+      \edef\reserved@b{\detokenize\expandafter{\jobname}}%
+      \ifx\reserved@a\reserved@b%
+        \@fileswtrue%
+      \else%
+        \edef\reserved@b{\reserved@b\detokenize{.tex}}%
+        \ifx\reserved@a\reserved@b
+          \@fileswtrue%
+        \fi%
+      \fi%
+      \chardef\reserved@c15 %
+      \ch@ck7\reserved@c\write%
+      \if@filesw%  % Foul ... trying to overwrite \jobname!
+      \@latex@error{Trying to overwrite `\jobname.tex'}{You can't %
+        write to the file you a reading from!\MessageBreak%
+        Data is written to screen instead.}%
+      \else%
+        \@latex@warning@no@line%
+           {Writing or overwriting file `\@currdir\@curr@file'}%
+        \immediate\openout\reserved@c#1\relax%
+      \fi%
+    \fi%
+  \fi%
+  \closein\@inputcheck%
+  \if@tempswa%
+    \immediate\write\reserved@c{%
+      \@percentchar\@percentchar\space%
+          \expandafter\@gobble\string\LaTeX2e file `\@curr@file'^^J%
+      \@percentchar\@percentchar\space  generated by the %
+        `\@currenvir' \expandafter\@gobblefour\string\newenvironment^^J%
+      \@percentchar\@percentchar\space from source `\jobname' on %
+         \number\year/\two@digits\month/\two@digits\day.^^J%
+      \@percentchar\@percentchar}%
+  \fi%
+  \let\do\@makeother\dospecials%
+  \count@ 128\relax%
+  \loop%
+    \catcode\count@ 11\relax%
+    \advance\count@ \@ne%
+    \ifnum\count@<\@cclvi%
+  \repeat%
+  \edef\E{\@backslashchar end\string{\@currenvir\string}}%
+  \edef\reserved@b{%
+    \def\noexpand\reserved@b%
+         ####1\E####2\E####3\relax}%
+  \reserved@b{%
+    \ifx\relax##3\relax%
+      \immediate\write\reserved@c{##1}%
+    \else%
+      \edef^^M{\noexpand\end{\@currenvir}}%
+      \ifx\relax##1\relax%
+      \else%
+          \@latex@warning{Writing text `##1' before %
+             \string\end{\@currenvir}\MessageBreak as last line of \@curr@file}%
+        \immediate\write\reserved@c{##1}%
+      \fi%
+      \ifx\relax##2\relax%
+      \else%
+         \@latex@warning{%
+           Ignoring text `##2' after \string\end{\@currenvir}}%
+      \fi%
+    \fi%
+    ^^M}%
+  \catcode`\^^L\active%
+  \let\L\@undefined%
+  \def^^L{\expandafter\ifx\csname L\endcsname\relax\fi ^^J^^J}%
+  \catcode`\^^I\active%
+  \let\I\@undefined%
+  \def^^I{\expandafter\ifx\csname I\endcsname\relax\fi\space}%
+  \catcode`\^^M\active%
+  \edef^^M##1^^M{%
+    \noexpand\reserved@b##1\E\E\relax}}%
+\endgroup%
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\filec@ntents}{Spaces in file names + optional arg}%
+
+\let\filec@ntents@opt        \@undefined
+\let\filec@ntents@force      \@undefined
+\let\filec@ntents@overwrite  \@undefined
+\let\filec@ntents@noheader   \@undefined
+\let\filec@ntents@nosearch   \@undefined
+\let\filec@ntents@checkdir   \@undefined
+\let\filec@ntents@where      \@undefined
+
+\begingroup%
+\@tempcnta=1
+\loop
+  \catcode\@tempcnta=12  %
+  \advance\@tempcnta\@ne %
+\ifnum\@tempcnta<32      %
+\repeat                  %
+\catcode`\*=11 %
+\catcode`\^^M\active%
+\catcode`\^^L\active\let^^L\relax%
+\catcode`\^^I\active%
+
+\gdef\filec@ntents#1{%
+  \openin\@inputcheck#1 %
+  \ifeof\@inputcheck%
+    \@latex@warning@no@line%
+        {Writing file `\@currdir#1'}%
+    \chardef\reserved@c15 %
+    \ch@ck7\reserved@c\write%
+    \immediate\openout\reserved@c#1\relax%
+  \else%
+    \closein\@inputcheck%
+    \@latex@warning@no@line%
+            {File `#1' already exists on the system.\MessageBreak%
+             Not generating it from this source}%
+    \let\write\@gobbletwo%
+    \let\closeout\@gobble%
+  \fi%
+  \if@tempswa%
+    \immediate\write\reserved@c{%
+      \@percentchar\@percentchar\space%
+          \expandafter\@gobble\string\LaTeX2e file `#1'^^J%
+      \@percentchar\@percentchar\space  generated by the %
+        `\@currenvir' \expandafter\@gobblefour\string\newenvironment^^J%
+      \@percentchar\@percentchar\space from source `\jobname' on %
+         \number\year/\two@digits\month/\two@digits\day.^^J%
+      \@percentchar\@percentchar}%
+  \fi%
+  \let\do\@makeother\dospecials%
+  \count@ 128\relax%
+  \loop%
+    \catcode\count@ 11\relax%
+    \advance\count@ \@ne%
+    \ifnum\count@<\@cclvi%
+  \repeat%
+  \edef\E{\@backslashchar end\string{\@currenvir\string}}%
+  \edef\reserved@b{%
+    \def\noexpand\reserved@b%
+         ####1\E####2\E####3\relax}%
+  \reserved@b{%
+    \ifx\relax##3\relax%
+      \immediate\write\reserved@c{##1}%
+    \else%
+      \edef^^M{\noexpand\end{\@currenvir}}%
+      \ifx\relax##1\relax%
+      \else%
+          \@latex@warning{Writing text `##1' before %
+             \string\end{\@currenvir}\MessageBreak as last line of #1}%
+        \immediate\write\reserved@c{##1}%
+      \fi%
+      \ifx\relax##2\relax%
+      \else%
+         \@latex@warning{%
+           Ignoring text `##2' after \string\end{\@currenvir}}%
+      \fi%
+    \fi%
+    ^^M}%
+
+  \catcode`\^^L\active%
+  \let\L\@undefined%
+  \def^^L{\expandafter\ifx\csname L\endcsname\relax\fi ^^J^^J}%
+  \catcode`\^^I\active%
+  \let\I\@undefined%
+  \def^^I{\expandafter\ifx\csname I\endcsname\relax\fi\space}%
+  \catcode`\^^M\active%
+  \edef^^M##1^^M{%
+    \noexpand\reserved@b##1\E\E\relax}}%
+\endgroup%
+\EndIncludeInRelease
 %%% From File: ltspace.dtx
+\IncludeInRelease{2019/10/01}%
+                 {\pagebreak}{Make commands robust}%
+\DeclareRobustCommand\pagebreak{\@testopt{\@no@pgbk-}4}
+\DeclareRobustCommand\nopagebreak{\@testopt\@no@pgbk4}
+\DeclareRobustCommand\linebreak{\@testopt{\@no@lnbk-}4}
+\DeclareRobustCommand\nolinebreak{\@testopt\@no@lnbk4}
+\DeclareRobustCommand\samepage{\interlinepenalty\@M
+   \postdisplaypenalty\@M
+   \interdisplaylinepenalty\@M
+   \@beginparpenalty\@M
+   \@endparpenalty\@M
+   \@itempenalty\@M
+   \@secpenalty\@M
+   \interfootnotelinepenalty\@M}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\pagebreak}{Make commands robust}%
+
+\kernel@make@fragile\pagebreak
+\kernel@make@fragile\nopagebreak
+\kernel@make@fragile\linebreak
+\kernel@make@fragile\nolinebreak
+\kernel@make@fragile\samepage
+
+\EndIncludeInRelease
 \IncludeInRelease{2018/10/10}%
                  {\@esphack}{hyphenation and nobreak after space hack}%
 \def\@esphack{%
@@ -2464,9 +3081,9 @@ of this package available from CTAN}
 \EndIncludeInRelease
 \IncludeInRelease{2018/12/01}%
                  {\thinspace}{Start LR-mode}%
-\def\thinspace{\leavevmode@ifvmode\kern .16667em }
-\def\negthinspace{\leavevmode@ifvmode\kern-.16667em }
-\def\enspace{\leavevmode@ifvmode\kern.5em }
+\DeclareRobustCommand\thinspace{\leavevmode@ifvmode\kern .16667em }
+\DeclareRobustCommand\negthinspace{\leavevmode@ifvmode\kern-.16667em }
+\DeclareRobustCommand\enspace{\leavevmode@ifvmode\kern.5em }
 \protected\def\leavevmode@ifvmode{\ifvmode\expandafter\indent\fi}
 \EndIncludeInRelease
 \IncludeInRelease{0000/00/00}%
@@ -2906,6 +3523,241 @@ of this package available from CTAN}
  }%
 }
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {DeclareMathAccent}{Make math accents robust}%
+\def\DeclareMathAccent#1#2#3#4{%
+  \expandafter\in@\csname sym#3\expandafter\endcsname
+     \expandafter{\group@list}%
+  \ifin@
+    \begingroup
+      \count\z@=#4\relax
+      \count\tw@\count\z@
+      \divide\count\z@\sixt@@n
+      \count@\count\z@
+      \multiply\count@\sixt@@n
+      \advance\count\tw@-\count@
+      \if\relax\noexpand#1% is command?
+        \edef\reserved@a{\noexpand\in@
+          {\expandafter\@gobble\string\mathaccent}
+          {\expandafter\meaning
+           \csname\expandafter\@gobble\string#1\space\endcsname}}%
+        \reserved@a
+        \ifin@
+          \expandafter\let
+            \csname\expandafter\@gobble\string#1\space\endcsname
+            \@undefined
+          \expandafter\set@mathaccent
+             \csname sym#3\endcsname#1#2%
+             {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+          \@font@info{Redeclaring math accent \string#1}%
+        \else
+          \expandafter\ifx
+          \csname\expandafter\@gobble\string#1\endcsname
+          \relax
+            \expandafter\set@mathaccent
+               \csname sym#3\endcsname#1#2%
+               {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+          \else
+            \@latex@error{Command `\string#1' already defined}\@eha
+          \fi
+        \fi
+      \else
+       \@latex@error{Not a command name: `\noexpand#1'}\@eha
+      \fi
+    \endgroup
+  \else
+    \@latex@error{Symbol font `#3' is not defined}\@eha
+  \fi
+}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {DeclareMathAccent}{Make math accents robust}%
+\def\DeclareMathAccent#1#2#3#4{%
+  \expandafter\in@\csname sym#3\expandafter\endcsname
+     \expandafter{\group@list}%
+  \ifin@
+    \begingroup
+      \count\z@=#4\relax
+      \count\tw@\count\z@
+      \divide\count\z@\sixt@@n
+      \count@\count\z@
+      \multiply\count@\sixt@@n
+      \advance\count\tw@-\count@
+      \if\relax\noexpand#1% is command?
+        \edef\reserved@a{\noexpand\in@
+           {\expandafter\@gobble\string\mathaccent}{\meaning#1}}%
+        \reserved@a
+        \ifin@
+          \expandafter\set@mathaccent
+             \csname sym#3\endcsname#1#2%
+             {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+          \@font@info{Redeclaring math accent \string#1}%
+        \else
+          \expandafter\ifx
+          \csname\expandafter\@gobble\string#1\endcsname
+          \relax
+            \expandafter\set@mathaccent
+               \csname sym#3\endcsname#1#2%
+               {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+          \else
+            \@latex@error{Command `\string#1' already defined}\@eha
+          \fi
+        \fi
+      \else
+       \@latex@error{Not a command name: `\noexpand#1'}\@eha
+      \fi
+    \endgroup
+  \else
+    \@latex@error{Symbol font `#3' is not defined}\@eha
+  \fi
+}
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\set@mathaccent}{makemath accents robust}%
+\def\set@mathaccent#1#2#3#4{%
+  \xdef#2{\mathaccent"\mathchar@type#3\hexnumber@#1#4\relax}%
+  \MakeRobust#2%
+}
+\@onlypreamble\set@mathaccent
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\set@mathaccent}{makemath accents robust}%
+
+\def\set@mathaccent#1#2#3#4{%
+  \xdef#2{\mathaccent"\mathchar@type#3\hexnumber@#1#4\relax}}
+
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\@DeclareMathDelimiter}{Make math delimiters robust}%
+\def\@DeclareMathDelimiter#1#2#3#4#5#6{%
+  \expandafter\in@\csname sym#3\expandafter\endcsname
+     \expandafter{\group@list}%
+  \ifin@
+    \expandafter\in@\csname sym#5\expandafter\endcsname
+       \expandafter{\group@list}%
+    \ifin@
+      \begingroup
+        \count\z@=#4\relax
+        \count\tw@\count\z@
+        \divide\count\z@\sixt@@n
+        \count@\count\z@
+        \multiply\count@\sixt@@n
+        \advance\count\tw@-\count@
+        \edef\reserved@c{\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+      %
+        \count\z@=#6\relax
+        \count\tw@\count\z@
+        \divide\count\z@\sixt@@n
+        \count@\count\z@
+        \multiply\count@\sixt@@n
+        \advance\count\tw@-\count@
+        \edef\reserved@d{\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+      %
+        \edef\reserved@a{\noexpand\in@
+          {\expandafter\@gobble\string\delimiter}%
+          {\expandafter\meaning\csname\expandafter\@gobble\string#1\space\endcsname}}%
+        \reserved@a
+        \ifin@
+          \expandafter\let\csname\expandafter\@gobble\string#1\space\endcsname\@undefined
+          \expandafter\set@mathdelimiter
+             \csname sym#3\expandafter\endcsname
+             \csname sym#5\endcsname#1#2%
+             \reserved@c\reserved@d
+          \@font@info{Redeclaring math delimiter \string#1}%
+        \else
+            \expandafter\ifx
+            \csname\expandafter\@gobble\string#1\endcsname
+            \relax
+            \expandafter\set@mathdelimiter
+              \csname sym#3\expandafter\endcsname
+              \csname sym#5\endcsname#1#2%
+              \reserved@c\reserved@d
+          \else
+            \@latex@error{Command `\string#1' already defined}\@eha
+          \fi
+        \fi
+      \endgroup
+    \else
+      \@latex@error{Symbol font `#5' is not defined}\@eha
+    \fi
+  \else
+    \@latex@error{Symbol font `#3' is not defined}\@eha
+  \fi
+}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\@DeclareMathDelimiter}{Make math delimiters robust}%
+\def\@DeclareMathDelimiter#1#2#3#4#5#6{%
+  \expandafter\in@\csname sym#3\expandafter\endcsname
+     \expandafter{\group@list}%
+  \ifin@
+    \expandafter\in@\csname sym#5\expandafter\endcsname
+       \expandafter{\group@list}%
+    \ifin@
+      \begingroup
+        \count\z@=#4\relax
+        \count\tw@\count\z@
+        \divide\count\z@\sixt@@n
+        \count@\count\z@
+        \multiply\count@\sixt@@n
+        \advance\count\tw@-\count@
+        \edef\reserved@c{\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+      %
+        \count\z@=#6\relax
+        \count\tw@\count\z@
+        \divide\count\z@\sixt@@n
+        \count@\count\z@
+        \multiply\count@\sixt@@n
+        \advance\count\tw@-\count@
+        \edef\reserved@d{\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
+      %
+        \edef\reserved@a{\noexpand\in@
+            {\expandafter\@gobble\string\delimiter}{\meaning#1}}%
+        \reserved@a
+        \ifin@
+          \expandafter\set@mathdelimiter
+             \csname sym#3\expandafter\endcsname
+             \csname sym#5\endcsname#1#2%
+             \reserved@c\reserved@d
+          \@font@info{Redeclaring math delimiter \string#1}%
+        \else
+            \expandafter\ifx
+            \csname\expandafter\@gobble\string#1\endcsname
+            \relax
+            \expandafter\set@mathdelimiter
+              \csname sym#3\expandafter\endcsname
+              \csname sym#5\endcsname#1#2%
+              \reserved@c\reserved@d
+          \else
+            \@latex@error{Command `\string#1' already defined}\@eha
+          \fi
+        \fi
+      \endgroup
+    \else
+      \@latex@error{Symbol font `#5' is not defined}\@eha
+    \fi
+  \else
+    \@latex@error{Symbol font `#3' is not defined}\@eha
+  \fi
+}
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\set@mathdelimiter}{make delimiters robust}%
+\def\set@mathdelimiter#1#2#3#4#5#6{%
+  \xdef#3{\delimiter"\mathchar@type#4\hexnumber@#1#5%
+    \hexnumber@#2#6 }%
+  \MakeRobust#3%
+}
+\@onlypreamble\set@mathdelimiter
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\set@mathdelimiter}{make delimiters robust}%
+
+\def\set@mathdelimiter#1#2#3#4#5#6{%
+  \xdef#3{\delimiter"\mathchar@type#4\hexnumber@#1#5%
+    \hexnumber@#2#6 }}
+
+\EndIncludeInRelease
 %%% From File: ltfssini.dtx
 %% Copyright (C) 1989-2001 Frank Mittelbach and Rainer Sch\"opf,
 %% all rights reserved.
@@ -2952,13 +3804,13 @@ of this package available from CTAN}
 \EndIncludeInRelease
 \IncludeInRelease{2018/12/01}%
                  {\Big}{Start LR-mode}%
-\def\big#1{\leavevmode@ifvmode
+\DeclareRobustCommand\big[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to8.5\p@{}\right.\n@space$}}}
-\def\Big#1{\leavevmode@ifvmode
+\DeclareRobustCommand\Big[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to11.5\p@{}\right.\n@space$}}}
-\def\bigg#1{\leavevmode@ifvmode
+\DeclareRobustCommand\bigg[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to14.5\p@{}\right.\n@space$}}}
-\def\Bigg#1{\leavevmode@ifvmode
+\DeclareRobustCommand\Bigg[1]{\leavevmode@ifvmode
    {\hbox{$\left#1\vbox to17.5\p@{}\right.\n@space$}}}
 \EndIncludeInRelease
 \IncludeInRelease{0000/00/00}%
@@ -3009,6 +3861,36 @@ of this package available from CTAN}
                              }%
     \fi}%
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\DeclareErrorFont}{No side effects please}%
+\def\DeclareErrorFont#1#2#3#4#5{%
+      \xdef\error@fontshape{%
+          \noexpand\expandafter\noexpand\split@name\noexpand\string
+          \expandafter\noexpand\csname#1/#2/#3/#4/#5\endcsname
+          \noexpand\@nil}%
+      \gdef\default@family{#2}%
+      \gdef\default@series{#3}%
+      \gdef\default@shape{#4}%
+}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\DeclareErrorFont}{No side effects please}%
+
+\def\DeclareErrorFont#1#2#3#4#5{%
+      \xdef\error@fontshape{%
+          \noexpand\expandafter\noexpand\split@name\noexpand\string
+          \expandafter\noexpand\csname#1/#2/#3/#4/#5\endcsname
+          \noexpand\@nil}%
+      \gdef\default@family{#2}%
+      \gdef\default@series{#3}%
+      \gdef\default@shape{#4}%
+      \global\let\f@family\default@family
+      \global\let\f@series\default@series
+      \global\let\f@shape\default@shape
+      \gdef\f@size{#5}%
+      \gdef\f@baselineskip{#5pt}%
+}
+\EndIncludeInRelease
 \IncludeInRelease{2015/01/01}{\wrong@fontshape}%
                  {Font substituation in preamble}%
 \def\wrong@fontshape{%
@@ -3079,7 +3961,7 @@ of this package available from CTAN}
 \IncludeInRelease{2017/01/01}{\showhyphens}%
                  {XeTeX support for \showhyphens}%
 \ifx\XeTeXcharclass\@undefined
-\gdef\showhyphens#1{%
+\DeclareRobustCommand\showhyphens[1]{%
   \setbox0\vbox{%
     \color@begingroup
     \everypar{}%
@@ -3088,7 +3970,7 @@ of this package available from CTAN}
     \pretolerance\m@ne\tolerance\m@ne\hbadness\z@\showboxdepth\z@\ #1%
     \color@endgroup}}
 \else
-\long\def\showhyphens#1{%
+\DeclareRobustCommand\showhyphens[1]{%
   \setbox0\vbox{%
     \usefont{TU}{lmr}{m}{n}%
     \hsize 1sp %
@@ -3298,6 +4180,27 @@ of this package available from CTAN}
 \EndIncludeInRelease
 %%% From File: ltpageno.dtx
 %%% From File: ltxref.dtx
+\IncludeInRelease{2019/10/01}%
+                 {\refstepcounter}{Add \labelformat and \Ref}%
+\def\refstepcounter#1{\stepcounter{#1}%
+    \protected@edef\@currentlabel
+       {\csname p@#1\expandafter\endcsname\csname the#1\endcsname}%
+}
+\def\labelformat#1{\expandafter\def\csname p@#1\endcsname##1}
+\DeclareRobustCommand\Ref[1]{\protected@edef\@tempa{\ref{#1}}%
+   \expandafter\MakeUppercase\@tempa}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\refstepcounter}{Add \labelformat and \Ref}%
+
+\def\refstepcounter#1{\stepcounter{#1}%
+    \protected@edef\@currentlabel
+       {\csname p@#1\endcsname\csname the#1\endcsname}%
+}
+\let\labelformat\@undefined
+\let\Ref\@undefined
+
+\EndIncludeInRelease
 %%% From File: ltmiscen.dtx
 \IncludeInRelease{2018/12/01}%
                  {\protected@file@percent}{Mask line endings}%
@@ -3333,6 +4236,68 @@ of this package available from CTAN}
     }%
 }
 \EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\begin}{Making \begin/\end robust}%
+\DeclareRobustCommand\begin[1]{%
+  \@ifundefined{#1}%
+    {\def\reserved@a{\@latex@error{Environment #1 undefined}\@eha}}%
+    {\def\reserved@a{\def\@currenvir{#1}%
+     \edef\@currenvline{\on@line}%
+     \csname #1\endcsname}}%
+  \@ignorefalse
+  \begingroup\@endpefalse\reserved@a}
+\edef\end
+  {\unexpanded{%
+     \romannumeral
+       \ifx\protect\@typeset@protect
+       \expandafter       %1
+         \expandafter        %2
+       \expandafter       %1
+           \expandafter         %3 expands the \csname inside \end<space>
+       \expandafter       %1
+         \expandafter        %2  expands \end<space>
+       \expandafter       %1     expands the \else
+           \z@
+       \else
+         \expandafter\z@\expandafter\protect
+       \fi
+   }%
+   \expandafter\noexpand\csname end \endcsname
+  }
+\@namedef{end }#1{%
+  \csname end#1\endcsname\@checkend{#1}%
+  \expandafter\endgroup\if@endpe\@doendpe\fi
+  \if@ignore\@ignorefalse\ignorespaces\fi}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\begin}{Making \begin/\end robust}%
+\kernel@make@fragile\begin
+\kernel@make@fragile\end
+
+\EndIncludeInRelease
+\IncludeInRelease{2019/10/01}%
+                 {\centering}{Make commands robust}%
+\DeclareRobustCommand\centering{%
+  \let\\\@centercr
+  \rightskip\@flushglue\leftskip\@flushglue
+  \parindent\z@\parfillskip\z@skip}
+\DeclareRobustCommand\raggedright{%
+  \let\\\@centercr\@rightskip\@flushglue \rightskip\@rightskip
+  \leftskip\z@skip
+  \parindent\z@}
+\DeclareRobustCommand\raggedleft{%
+  \let\\\@centercr
+  \rightskip\z@skip\leftskip\@flushglue
+  \parindent\z@\parfillskip\z@skip}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}%
+                 {\centering}{Make commands robust}%
+
+\kernel@make@fragile\centering
+\kernel@make@fragile\raggedright
+\kernel@make@fragile\raggedleft
+
+\EndIncludeInRelease
 \IncludeInRelease{2017-04-15}{\@verbatim}%
                  {Disable hyphenation in verbatim}%
 \def\@verbatim{\trivlist \item\relax
@@ -3862,6 +4827,15 @@ of this package available from CTAN}
 \EndIncludeInRelease
 \IncludeInRelease{0000/00/00}%
                  {\UTFviii@invalid}{UTF-8 default}%
+  \let\UTFviii@two@octets@combine\@undefined
+  \let\UTFviii@three@octets@combine\@undefined
+  \let\UTFviii@four@octets@combine\@undefined
+  \let\UTFviii@two@octets@string\@undefined
+  \let\UTFviii@three@octets@string\@undefined
+  \let\UTFviii@four@octets@string\@undefined
+  \let\UTFviii@two@octets@noexpand\@undefined
+  \let\UTFviii@three@octets@noexpand\@undefined
+  \let\UTFviii@four@octets@noexpand\@undefined
 \@tempcnta=0
 \loop
   \catcode\@tempcnta=15
diff --git a/Master/texmf-dist/tex/latex/base/latexsym.sty b/Master/texmf-dist/tex/latex/base/latexsym.sty
index 5934b1fb521..f4cc17f4a98 100644
--- a/Master/texmf-dist/tex/latex/base/latexsym.sty
+++ b/Master/texmf-dist/tex/latex/base/latexsym.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin1.def b/Master/texmf-dist/tex/latex/base/latin1.def
index 241ddbe61ec..a58aecbbb20 100644
--- a/Master/texmf-dist/tex/latex/base/latin1.def
+++ b/Master/texmf-dist/tex/latex/base/latin1.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin10.def b/Master/texmf-dist/tex/latex/base/latin10.def
index 908407fb8d3..466bb650e63 100644
--- a/Master/texmf-dist/tex/latex/base/latin10.def
+++ b/Master/texmf-dist/tex/latex/base/latin10.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin2.def b/Master/texmf-dist/tex/latex/base/latin2.def
index 3a226f1ade2..f999e62534b 100644
--- a/Master/texmf-dist/tex/latex/base/latin2.def
+++ b/Master/texmf-dist/tex/latex/base/latin2.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin3.def b/Master/texmf-dist/tex/latex/base/latin3.def
index 84319b1e4b9..c69a4fd3759 100644
--- a/Master/texmf-dist/tex/latex/base/latin3.def
+++ b/Master/texmf-dist/tex/latex/base/latin3.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin4.def b/Master/texmf-dist/tex/latex/base/latin4.def
index 94c0b7c343c..51715492be2 100644
--- a/Master/texmf-dist/tex/latex/base/latin4.def
+++ b/Master/texmf-dist/tex/latex/base/latin4.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin5.def b/Master/texmf-dist/tex/latex/base/latin5.def
index 586d72dd8b8..016013c8fa6 100644
--- a/Master/texmf-dist/tex/latex/base/latin5.def
+++ b/Master/texmf-dist/tex/latex/base/latin5.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/latin9.def b/Master/texmf-dist/tex/latex/base/latin9.def
index 3254f49cedc..5105b9dace6 100644
--- a/Master/texmf-dist/tex/latex/base/latin9.def
+++ b/Master/texmf-dist/tex/latex/base/latin9.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/lcyenc.dfu b/Master/texmf-dist/tex/latex/base/lcyenc.dfu
index f6830db48db..6b488c0fea0 100644
--- a/Master/texmf-dist/tex/latex/base/lcyenc.dfu
+++ b/Master/texmf-dist/tex/latex/base/lcyenc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{lcyenc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A4}{\textcurrency}
 \DeclareUnicodeCharacter{00AB}{\guillemotleft}
 \DeclareUnicodeCharacter{00BB}{\guillemotright}
diff --git a/Master/texmf-dist/tex/latex/base/leqno.clo b/Master/texmf-dist/tex/latex/base/leqno.clo
index fe9e938cf8e..933040ca9ed 100644
--- a/Master/texmf-dist/tex/latex/base/leqno.clo
+++ b/Master/texmf-dist/tex/latex/base/leqno.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/leqno.sty b/Master/texmf-dist/tex/latex/base/leqno.sty
index f1c0dbb5cee..ec215a5d6ab 100644
--- a/Master/texmf-dist/tex/latex/base/leqno.sty
+++ b/Master/texmf-dist/tex/latex/base/leqno.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/letter.cls b/Master/texmf-dist/tex/latex/base/letter.cls
index 63eca4e9f8e..b1d81ae04fe 100644
--- a/Master/texmf-dist/tex/latex/base/letter.cls
+++ b/Master/texmf-dist/tex/latex/base/letter.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/letter.sty b/Master/texmf-dist/tex/latex/base/letter.sty
index 09a2df9428a..f9ae4dc76e2 100644
--- a/Master/texmf-dist/tex/latex/base/letter.sty
+++ b/Master/texmf-dist/tex/latex/base/letter.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ltluatex.lua b/Master/texmf-dist/tex/latex/base/ltluatex.lua
index 14922f0a540..581e0762c2f 100644
--- a/Master/texmf-dist/tex/latex/base/ltluatex.lua
+++ b/Master/texmf-dist/tex/latex/base/ltluatex.lua
@@ -26,7 +26,7 @@
 -- The latest version of this license is in
 --    https://www.latex-project.org/lppl.txt
 -- and version 1.3c or later is part of all distributions of LaTeX
--- version 2005/12/01 or later.
+-- version 2008 or later.
 -- 
 -- This file has the LPPL maintenance status "maintained".
 -- 
@@ -281,7 +281,7 @@ local callbacktypes = callbacktypes or {
   buildpage_filter       = simple,
   build_page_insert      = exclusive,
   pre_linebreak_filter   = list,
-  linebreak_filter       = list,
+  linebreak_filter       = exclusive,
   append_to_vlist_filter = exclusive,
   post_linebreak_filter  = list,
   hpack_filter           = list,
@@ -289,30 +289,36 @@ local callbacktypes = callbacktypes or {
   hpack_quality          = list,
   vpack_quality          = list,
   pre_output_filter      = list,
-  process_rule           = list,
+  process_rule           = exclusive,
   hyphenate              = simple,
   ligaturing             = simple,
   kerning                = simple,
   insert_local_par       = simple,
-  mlist_to_hlist         = list,
-  pre_dump                = simple,
-  start_run               = simple,
-  stop_run                = simple,
-  start_page_number       = simple,
-  stop_page_number        = simple,
-  show_error_hook         = simple,
-  show_warning_message    = simple,
-  show_error_message      = simple,
-  show_lua_error_hook     = simple,
-  start_file              = simple,
-  stop_file               = simple,
-  call_edit               = simple,
-  finish_synctex_callback = simple,
-  finish_pdffile = data,
-  finish_pdfpage = data,
-  define_font           = exclusive,
-  glyph_not_found       = exclusive,
-  glyph_stream_provider = exclusive,
+  mlist_to_hlist         = exclusive,
+  new_graf               = simple,
+  pre_dump             = simple,
+  start_run            = simple,
+  stop_run             = simple,
+  start_page_number    = simple,
+  stop_page_number     = simple,
+  show_error_hook      = simple,
+  show_warning_message = simple,
+  show_error_message   = simple,
+  show_lua_error_hook  = simple,
+  start_file           = simple,
+  stop_file            = simple,
+  call_edit            = simple,
+  finish_synctex       = simple,
+  wrapup_run           = simple,
+  finish_pdffile            = data,
+  finish_pdfpage            = data,
+  page_objnum_provider      = simple,
+  process_pdf_image_content = simple,
+  define_font                     = exclusive,
+  glyph_not_found                 = exclusive,
+  glyph_stream_provider           = exclusive,
+  make_extensible                 = exclusive,
+  font_descriptor_objnum_provider = exclusive,
 }
 luatexbase.callbacktypes=callbacktypes
 local callback_register = callback_register or callback.register
diff --git a/Master/texmf-dist/tex/latex/base/ltluatex.tex b/Master/texmf-dist/tex/latex/base/ltluatex.tex
index ab167e40ade..b34aca5d547 100644
--- a/Master/texmf-dist/tex/latex/base/ltluatex.tex
+++ b/Master/texmf-dist/tex/latex/base/ltluatex.tex
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ltnews.cls b/Master/texmf-dist/tex/latex/base/ltnews.cls
index 9aa72c53dae..1ef65297467 100644
--- a/Master/texmf-dist/tex/latex/base/ltnews.cls
+++ b/Master/texmf-dist/tex/latex/base/ltnews.cls
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993-2017
+% Copyright 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/ltxcheck.tex b/Master/texmf-dist/tex/latex/base/ltxcheck.tex
index d5426aafa1c..7446c06cead 100644
--- a/Master/texmf-dist/tex/latex/base/ltxcheck.tex
+++ b/Master/texmf-dist/tex/latex/base/ltxcheck.tex
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993-2016
+% Copyright (C) 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/ltxdoc.cls b/Master/texmf-dist/tex/latex/base/ltxdoc.cls
index b8cfc493c99..c820fb599b6 100644
--- a/Master/texmf-dist/tex/latex/base/ltxdoc.cls
+++ b/Master/texmf-dist/tex/latex/base/ltxdoc.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -43,7 +43,7 @@
 %% extension .ins) which are part of the distribution.
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{ltxdoc}
-         [2018/03/15 v2.0x Standard LaTeX documentation class]
+         [2019/09/16 v2.0y Standard LaTeX documentation class]
 \DeclareOption{a5paper}{\@latexerr{Option not supported}%
    {}}
 \DeclareOption*{%
@@ -123,6 +123,7 @@
     /parindent/z@
     /ttfamily/expandafter/let/expandafter/oc@ttf/the/font
     /rmfamily
+    /textit{Historical /LaTeX/,2.09 comments (not necessarily accurate any more):}
     /hfuzz/maxdimen
     }
 /endgroup
@@ -133,6 +134,7 @@
     \ifvmode%
     \def\commentline{#1}%
     \ifx\commentline\oldc%
+    \textit{End of historical \LaTeX\,2.09 comments.}
     \end{oldcomments}%
     \else%
     \ifx\commentline\begmac%
diff --git a/Master/texmf-dist/tex/latex/base/ltxguide.cls b/Master/texmf-dist/tex/latex/base/ltxguide.cls
index 7b1d05ec20b..8ef06b95aac 100644
--- a/Master/texmf-dist/tex/latex/base/ltxguide.cls
+++ b/Master/texmf-dist/tex/latex/base/ltxguide.cls
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
+% Copyright 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/ly1enc.dfu b/Master/texmf-dist/tex/latex/base/ly1enc.dfu
index 510370239bb..fffc25d05d1 100644
--- a/Master/texmf-dist/tex/latex/base/ly1enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/ly1enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{ly1enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A0}{\nobreakspace}
 \DeclareUnicodeCharacter{00A1}{\textexclamdown}
 \DeclareUnicodeCharacter{00A2}{\textcent}
@@ -161,6 +161,13 @@
 \DeclareUnicodeCharacter{2039}{\guilsinglleft}
 \DeclareUnicodeCharacter{203A}{\guilsinglright}
 \DeclareUnicodeCharacter{2122}{\texttrademark}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \endinput
 %%
 %% End of file `ly1enc.dfu'.
diff --git a/Master/texmf-dist/tex/latex/base/macce.def b/Master/texmf-dist/tex/latex/base/macce.def
index cd51322aedb..fde50e0653a 100644
--- a/Master/texmf-dist/tex/latex/base/macce.def
+++ b/Master/texmf-dist/tex/latex/base/macce.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/makeidx.sty b/Master/texmf-dist/tex/latex/base/makeidx.sty
index 02e03e4f4c5..49bab2e38cb 100644
--- a/Master/texmf-dist/tex/latex/base/makeidx.sty
+++ b/Master/texmf-dist/tex/latex/base/makeidx.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/minimal.cls b/Master/texmf-dist/tex/latex/base/minimal.cls
index 48d3cb4cf08..d55576326d3 100644
--- a/Master/texmf-dist/tex/latex/base/minimal.cls
+++ b/Master/texmf-dist/tex/latex/base/minimal.cls
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
+% Copyright 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/newlfont.sty b/Master/texmf-dist/tex/latex/base/newlfont.sty
index 11422118a44..53b906a0101 100644
--- a/Master/texmf-dist/tex/latex/base/newlfont.sty
+++ b/Master/texmf-dist/tex/latex/base/newlfont.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/next.def b/Master/texmf-dist/tex/latex/base/next.def
index a9c3443855c..e091652763b 100644
--- a/Master/texmf-dist/tex/latex/base/next.def
+++ b/Master/texmf-dist/tex/latex/base/next.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/nfssfont.tex b/Master/texmf-dist/tex/latex/base/nfssfont.tex
index afa82f23c45..e7fe4587bf0 100644
--- a/Master/texmf-dist/tex/latex/base/nfssfont.tex
+++ b/Master/texmf-dist/tex/latex/base/nfssfont.tex
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -141,7 +141,12 @@
   \selectfont\edef\currfontname{\fontname\font}%
  \fi
  \startfont
- \message{Now type a test command (\string\help\space for help):}}
+ \typein[\action]{Now type a test command or
+   \string\help\space for help [ \string\table\space\string\bye\space]:}%
+ \ifx\action\empty
+   \expandafter\table\expandafter\bye
+ \fi
+}
 \def\startfont{\font\testfont=\currfontname
   \leftline{\sevenrm Test of font \currfontname\unskip\ (encoding
             \encoding\unskip) on \today\ at \hours}
@@ -335,7 +340,7 @@ official r\^ole in fluffy souffl\'es? }
 \begin{document}
 \let\typeout\oldtypeout
 
-\ifx\noinit!\else\init\fi
+\ifx\noinit!\else\expandafter\init\fi
 \endinput
 %%
 %% End of file `nfssfont.tex'.
diff --git a/Master/texmf-dist/tex/latex/base/oldlfont.sty b/Master/texmf-dist/tex/latex/base/oldlfont.sty
index 0424f4dfd0c..b096dc035c2 100644
--- a/Master/texmf-dist/tex/latex/base/oldlfont.sty
+++ b/Master/texmf-dist/tex/latex/base/oldlfont.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/omlcmm.fd b/Master/texmf-dist/tex/latex/base/omlcmm.fd
index b6713d45766..fd275079536 100644
--- a/Master/texmf-dist/tex/latex/base/omlcmm.fd
+++ b/Master/texmf-dist/tex/latex/base/omlcmm.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/omlcmr.fd b/Master/texmf-dist/tex/latex/base/omlcmr.fd
index 59ec0970445..7dc0ed4b626 100644
--- a/Master/texmf-dist/tex/latex/base/omlcmr.fd
+++ b/Master/texmf-dist/tex/latex/base/omlcmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/omlenc.def b/Master/texmf-dist/tex/latex/base/omlenc.def
index be81a80cc57..58927940dd5 100644
--- a/Master/texmf-dist/tex/latex/base/omlenc.def
+++ b/Master/texmf-dist/tex/latex/base/omlenc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/omllcmm.fd b/Master/texmf-dist/tex/latex/base/omllcmm.fd
index 88818dd10de..14540e6c56c 100644
--- a/Master/texmf-dist/tex/latex/base/omllcmm.fd
+++ b/Master/texmf-dist/tex/latex/base/omllcmm.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{omllcmm.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
 \DeclareFontFamily{OML}{lcmm}{\skewchar\font'177}
 \DeclareFontShape{OML}{lcmm}{m}{it}{%
   <7><8><10><12><13.82><16.59><19.907><23.89><28.66><34.4><41.28>cmmi8%
diff --git a/Master/texmf-dist/tex/latex/base/omscmr.fd b/Master/texmf-dist/tex/latex/base/omscmr.fd
index d10d116e0da..111eee9bf68 100644
--- a/Master/texmf-dist/tex/latex/base/omscmr.fd
+++ b/Master/texmf-dist/tex/latex/base/omscmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/omscmsy.fd b/Master/texmf-dist/tex/latex/base/omscmsy.fd
index fbf2952c606..039aa56dc7e 100644
--- a/Master/texmf-dist/tex/latex/base/omscmsy.fd
+++ b/Master/texmf-dist/tex/latex/base/omscmsy.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/omsenc.def b/Master/texmf-dist/tex/latex/base/omsenc.def
index 8dbc1dc38c3..e0168a678f2 100644
--- a/Master/texmf-dist/tex/latex/base/omsenc.def
+++ b/Master/texmf-dist/tex/latex/base/omsenc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/omsenc.dfu b/Master/texmf-dist/tex/latex/base/omsenc.dfu
index 5f158ca4569..a1db9f3024b 100644
--- a/Master/texmf-dist/tex/latex/base/omsenc.dfu
+++ b/Master/texmf-dist/tex/latex/base/omsenc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{omsenc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A7}{\textsection}
 \DeclareUnicodeCharacter{00B6}{\textparagraph}
 \DeclareUnicodeCharacter{00B7}{\textperiodcentered}
diff --git a/Master/texmf-dist/tex/latex/base/omslcmsy.fd b/Master/texmf-dist/tex/latex/base/omslcmsy.fd
index a7a372c22bf..1c51a6217b0 100644
--- a/Master/texmf-dist/tex/latex/base/omslcmsy.fd
+++ b/Master/texmf-dist/tex/latex/base/omslcmsy.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{omslcmsy.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
 \DeclareFontFamily{OMS}{lcmsy}{\skewchar\font'60}
 \DeclareFontShape{OMS}{lcmsy}{m}{n}{%
   <7><8><10><12><13.82><16.59><19.907><23.89><28.66><34.4><41.28>cmsy8%
diff --git a/Master/texmf-dist/tex/latex/base/omxcmex.fd b/Master/texmf-dist/tex/latex/base/omxcmex.fd
index ce66ea01600..173b819789e 100644
--- a/Master/texmf-dist/tex/latex/base/omxcmex.fd
+++ b/Master/texmf-dist/tex/latex/base/omxcmex.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/omxlcmex.fd b/Master/texmf-dist/tex/latex/base/omxlcmex.fd
index dbce04e00c0..d8db5cdb872 100644
--- a/Master/texmf-dist/tex/latex/base/omxlcmex.fd
+++ b/Master/texmf-dist/tex/latex/base/omxlcmex.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{omxlcmex.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
 \DeclareFontFamily{OMX}{lcmex}{}
 \DeclareFontShape{OMX}{lcmex}{m}{n}{%
        <->sfixed*[17.28]cmex10%
diff --git a/Master/texmf-dist/tex/latex/base/openbib.sty b/Master/texmf-dist/tex/latex/base/openbib.sty
index 1a104d36fce..be82844682f 100644
--- a/Master/texmf-dist/tex/latex/base/openbib.sty
+++ b/Master/texmf-dist/tex/latex/base/openbib.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmdh.fd b/Master/texmf-dist/tex/latex/base/ot1cmdh.fd
index c8140b2d404..33e0b26a905 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmdh.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmdh.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmfib.fd b/Master/texmf-dist/tex/latex/base/ot1cmfib.fd
index d3720b16378..96dd88a0a4b 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmfib.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmfib.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmfr.fd b/Master/texmf-dist/tex/latex/base/ot1cmfr.fd
index 44b0c4156c5..1262e15ad06 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmfr.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmfr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmr.fd b/Master/texmf-dist/tex/latex/base/ot1cmr.fd
index ae6f59bc1eb..c4e39f9ecf1 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmr.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmss.fd b/Master/texmf-dist/tex/latex/base/ot1cmss.fd
index 568a35f5dab..da3e66ef056 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmss.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmtt.fd b/Master/texmf-dist/tex/latex/base/ot1cmtt.fd
index 2b185284704..be2b2a9b1ad 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1cmvtt.fd b/Master/texmf-dist/tex/latex/base/ot1cmvtt.fd
index bc990c28618..b1f9a47f007 100644
--- a/Master/texmf-dist/tex/latex/base/ot1cmvtt.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1cmvtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ot1enc.def b/Master/texmf-dist/tex/latex/base/ot1enc.def
index 7456219b62e..9f379788ca0 100644
--- a/Master/texmf-dist/tex/latex/base/ot1enc.def
+++ b/Master/texmf-dist/tex/latex/base/ot1enc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ot1enc.dfu b/Master/texmf-dist/tex/latex/base/ot1enc.dfu
index e7753b1462d..8b770811935 100644
--- a/Master/texmf-dist/tex/latex/base/ot1enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/ot1enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{ot1enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A0}{\nobreakspace}
 \DeclareUnicodeCharacter{00A1}{\textexclamdown}
 \DeclareUnicodeCharacter{00A3}{\textsterling}
@@ -79,6 +79,13 @@
 \DeclareUnicodeCharacter{2019}{\textquoteright}
 \DeclareUnicodeCharacter{201C}{\textquotedblleft}
 \DeclareUnicodeCharacter{201D}{\textquotedblright}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \endinput
 %%
 %% End of file `ot1enc.dfu'.
diff --git a/Master/texmf-dist/tex/latex/base/ot1lcmss.fd b/Master/texmf-dist/tex/latex/base/ot1lcmss.fd
index e2b11cf2fda..bf7c7e046bb 100644
--- a/Master/texmf-dist/tex/latex/base/ot1lcmss.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1lcmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{ot1lcmss.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
  \DeclareFontFamily{OT1}{lcmss}{\hyphenchar\font45 }
  \DeclareFontShape{OT1}{lcmss}{m}{n}{%
   <7><8><10><12><13.82><16.59><19.907><23.89><28.66><34.4><41.28>%
diff --git a/Master/texmf-dist/tex/latex/base/ot1lcmtt.fd b/Master/texmf-dist/tex/latex/base/ot1lcmtt.fd
index c40bf5a2dc1..a2106368f32 100644
--- a/Master/texmf-dist/tex/latex/base/ot1lcmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/ot1lcmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{ot1lcmtt.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
  \DeclareFontFamily{OT1}{lcmtt}{\hyphenchar\font\m@ne}
  \DeclareFontShape{OT1}{lcmtt}{m}{n}{%
       <13.82><16.59><19.907><23.89><28.66><34.4><41.28>%
diff --git a/Master/texmf-dist/tex/latex/base/ot2enc.dfu b/Master/texmf-dist/tex/latex/base/ot2enc.dfu
index fb5870aacd5..399ba079fcd 100644
--- a/Master/texmf-dist/tex/latex/base/ot2enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/ot2enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{ot2enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00AB}{\guillemotleft}
 \DeclareUnicodeCharacter{00BB}{\guillemotright}
 \DeclareUnicodeCharacter{0131}{\i}
diff --git a/Master/texmf-dist/tex/latex/base/ot4enc.def b/Master/texmf-dist/tex/latex/base/ot4enc.def
index d46d737c569..1e0a5aa928b 100644
--- a/Master/texmf-dist/tex/latex/base/ot4enc.def
+++ b/Master/texmf-dist/tex/latex/base/ot4enc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/preload.cfg b/Master/texmf-dist/tex/latex/base/preload.cfg
index 44b5dfc1aa2..466b61d98d3 100644
--- a/Master/texmf-dist/tex/latex/base/preload.cfg
+++ b/Master/texmf-dist/tex/latex/base/preload.cfg
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -37,7 +37,7 @@
 %% 
 %%% From File: fontdef.dtx
 \ProvidesFile{preload.cfg}
-           [2018/09/24 v3.0b LaTeX Kernel
+           [2019/09/21 v3.0d LaTeX Kernel
 (Uncustomised preload
            font setup)]
 %%
diff --git a/Master/texmf-dist/tex/latex/base/preload.ltx b/Master/texmf-dist/tex/latex/base/preload.ltx
index 92ecda02615..fba9f3cc7fe 100644
--- a/Master/texmf-dist/tex/latex/base/preload.ltx
+++ b/Master/texmf-dist/tex/latex/base/preload.ltx
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/proc.cls b/Master/texmf-dist/tex/latex/base/proc.cls
index bcb01d6c924..6550bae3ddc 100644
--- a/Master/texmf-dist/tex/latex/base/proc.cls
+++ b/Master/texmf-dist/tex/latex/base/proc.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/proc.sty b/Master/texmf-dist/tex/latex/base/proc.sty
index 345254f498b..95394e17efc 100644
--- a/Master/texmf-dist/tex/latex/base/proc.sty
+++ b/Master/texmf-dist/tex/latex/base/proc.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/report.cls b/Master/texmf-dist/tex/latex/base/report.cls
index 15dafdf81cb..1101f8fa919 100644
--- a/Master/texmf-dist/tex/latex/base/report.cls
+++ b/Master/texmf-dist/tex/latex/base/report.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -43,7 +43,7 @@
 %% extension .ins) which are part of the distribution.
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \ProvidesClass{report}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
  Standard LaTeX document class]
 \newcommand\@ptsize{}
 \newif\if@restonecol
diff --git a/Master/texmf-dist/tex/latex/base/report.sty b/Master/texmf-dist/tex/latex/base/report.sty
index eddb8c4eb80..312859743b0 100644
--- a/Master/texmf-dist/tex/latex/base/report.sty
+++ b/Master/texmf-dist/tex/latex/base/report.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/sfonts.def b/Master/texmf-dist/tex/latex/base/sfonts.def
index 8ed222fc444..c73390c8474 100644
--- a/Master/texmf-dist/tex/latex/base/sfonts.def
+++ b/Master/texmf-dist/tex/latex/base/sfonts.def
@@ -8,7 +8,7 @@
 %% 
 %% This is a generated file.
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -21,7 +21,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -36,10 +36,15 @@
 %% 
 %% 
 \ProvidesFile{sfonts.def}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
 \DeclareErrorFont{OT1}{lcmss}{m}{n}{19.907}
 \DeclareFontSubstitution{OT1}{lcmss}{m}{n}
 \input ot1lcmss.fd
+\fontencoding{OT1}
+\fontfamily{lcmss}
+\fontseries{m}
+\fontshape{n}
+\fontsize{19.907}{19.907}
 \endinput
 %%
 %% End of file `sfonts.def'.
diff --git a/Master/texmf-dist/tex/latex/base/shortvrb.sty b/Master/texmf-dist/tex/latex/base/shortvrb.sty
index 58de64b1f59..fe2cd61977b 100644
--- a/Master/texmf-dist/tex/latex/base/shortvrb.sty
+++ b/Master/texmf-dist/tex/latex/base/shortvrb.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/showidx.sty b/Master/texmf-dist/tex/latex/base/showidx.sty
index 8df3e300e27..df052dbd75d 100644
--- a/Master/texmf-dist/tex/latex/base/showidx.sty
+++ b/Master/texmf-dist/tex/latex/base/showidx.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/size10.clo b/Master/texmf-dist/tex/latex/base/size10.clo
index 2f7cd58f31f..7b98ee411d5 100644
--- a/Master/texmf-dist/tex/latex/base/size10.clo
+++ b/Master/texmf-dist/tex/latex/base/size10.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{size10.clo}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
       Standard LaTeX file (size option)]
 \renewcommand\normalsize{%
    \@setfontsize\normalsize\@xpt\@xiipt
@@ -52,7 +52,8 @@
    \belowdisplayskip \abovedisplayskip
    \let\@listi\@listI}
 \normalsize
-\newcommand\small{%
+\MakeRobust\normalsize
+\DeclareRobustCommand\small{%
    \@setfontsize\small\@ixpt{11}%
    \abovedisplayskip 8.5\p@ \@plus3\p@ \@minus4\p@
    \abovedisplayshortskip \z@ \@plus2\p@
@@ -63,7 +64,7 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\footnotesize{%
+\DeclareRobustCommand\footnotesize{%
    \@setfontsize\footnotesize\@viiipt{9.5}%
    \abovedisplayskip 6\p@ \@plus2\p@ \@minus4\p@
    \abovedisplayshortskip \z@ \@plus\p@
@@ -74,13 +75,13 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\scriptsize{\@setfontsize\scriptsize\@viipt\@viiipt}
-\newcommand\tiny{\@setfontsize\tiny\@vpt\@vipt}
-\newcommand\large{\@setfontsize\large\@xiipt{14}}
-\newcommand\Large{\@setfontsize\Large\@xivpt{18}}
-\newcommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
-\newcommand\huge{\@setfontsize\huge\@xxpt{25}}
-\newcommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
+\DeclareRobustCommand\scriptsize{\@setfontsize\scriptsize\@viipt\@viiipt}
+\DeclareRobustCommand\tiny{\@setfontsize\tiny\@vpt\@vipt}
+\DeclareRobustCommand\large{\@setfontsize\large\@xiipt{14}}
+\DeclareRobustCommand\Large{\@setfontsize\Large\@xivpt{18}}
+\DeclareRobustCommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
+\DeclareRobustCommand\huge{\@setfontsize\huge\@xxpt{25}}
+\DeclareRobustCommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
 \if@twocolumn
   \setlength\parindent{1em}
 \else
diff --git a/Master/texmf-dist/tex/latex/base/size11.clo b/Master/texmf-dist/tex/latex/base/size11.clo
index 7ebbd7c5d91..7822a848ddd 100644
--- a/Master/texmf-dist/tex/latex/base/size11.clo
+++ b/Master/texmf-dist/tex/latex/base/size11.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{size11.clo}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
       Standard LaTeX file (size option)]
 \renewcommand\normalsize{%
    \@setfontsize\normalsize\@xipt{13.6}%
@@ -52,7 +52,8 @@
    \belowdisplayskip \abovedisplayskip
    \let\@listi\@listI}
 \normalsize
-\newcommand\small{%
+\MakeRobust\normalsize
+\DeclareRobustCommand\small{%
    \@setfontsize\small\@xpt\@xiipt
    \abovedisplayskip 10\p@ \@plus2\p@ \@minus5\p@
    \abovedisplayshortskip \z@ \@plus3\p@
@@ -63,7 +64,7 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\footnotesize{%
+\DeclareRobustCommand\footnotesize{%
    \@setfontsize\footnotesize\@ixpt{11}%
    \abovedisplayskip 8\p@ \@plus2\p@ \@minus4\p@
    \abovedisplayshortskip \z@ \@plus\p@
@@ -74,13 +75,13 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
-\newcommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
-\newcommand\large{\@setfontsize\large\@xiipt{14}}
-\newcommand\Large{\@setfontsize\Large\@xivpt{18}}
-\newcommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
-\newcommand\huge{\@setfontsize\huge\@xxpt{25}}
-\newcommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
+\DeclareRobustCommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
+\DeclareRobustCommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
+\DeclareRobustCommand\large{\@setfontsize\large\@xiipt{14}}
+\DeclareRobustCommand\Large{\@setfontsize\Large\@xivpt{18}}
+\DeclareRobustCommand\LARGE{\@setfontsize\LARGE\@xviipt{22}}
+\DeclareRobustCommand\huge{\@setfontsize\huge\@xxpt{25}}
+\DeclareRobustCommand\Huge{\@setfontsize\Huge\@xxvpt{30}}
 \if@twocolumn
   \setlength\parindent{1em}
 \else
diff --git a/Master/texmf-dist/tex/latex/base/size12.clo b/Master/texmf-dist/tex/latex/base/size12.clo
index a81a9cd8fe3..e9c67bd1e63 100644
--- a/Master/texmf-dist/tex/latex/base/size12.clo
+++ b/Master/texmf-dist/tex/latex/base/size12.clo
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{size12.clo}
-              [2018/09/03 v1.4i
+              [2019/08/27 v1.4j
       Standard LaTeX file (size option)]
 \renewcommand\normalsize{%
    \@setfontsize\normalsize\@xiipt{14.5}%
@@ -52,7 +52,8 @@
    \belowdisplayskip \abovedisplayskip
    \let\@listi\@listI}
 \normalsize
-\newcommand\small{%
+\MakeRobust\normalsize
+\DeclareRobustCommand\small{%
    \@setfontsize\small\@xipt{13.6}%
    \abovedisplayskip 11\p@ \@plus3\p@ \@minus6\p@
    \abovedisplayshortskip \z@ \@plus3\p@
@@ -63,7 +64,7 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\footnotesize{%
+\DeclareRobustCommand\footnotesize{%
    \@setfontsize\footnotesize\@xpt\@xiipt
    \abovedisplayskip 10\p@ \@plus2\p@ \@minus5\p@
    \abovedisplayshortskip \z@ \@plus3\p@
@@ -74,12 +75,12 @@
                \itemsep \parsep}%
    \belowdisplayskip \abovedisplayskip
 }
-\newcommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
-\newcommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
-\newcommand\large{\@setfontsize\large\@xivpt{18}}
-\newcommand\Large{\@setfontsize\Large\@xviipt{22}}
-\newcommand\LARGE{\@setfontsize\LARGE\@xxpt{25}}
-\newcommand\huge{\@setfontsize\huge\@xxvpt{30}}
+\DeclareRobustCommand\scriptsize{\@setfontsize\scriptsize\@viiipt{9.5}}
+\DeclareRobustCommand\tiny{\@setfontsize\tiny\@vipt\@viipt}
+\DeclareRobustCommand\large{\@setfontsize\large\@xivpt{18}}
+\DeclareRobustCommand\Large{\@setfontsize\Large\@xviipt{22}}
+\DeclareRobustCommand\LARGE{\@setfontsize\LARGE\@xxpt{25}}
+\DeclareRobustCommand\huge{\@setfontsize\huge\@xxvpt{30}}
 \let\Huge=\huge
 \if@twocolumn
   \setlength\parindent{1em}
diff --git a/Master/texmf-dist/tex/latex/base/slides.cls b/Master/texmf-dist/tex/latex/base/slides.cls
index 9e5ed5a628b..b2ee30b7f13 100644
--- a/Master/texmf-dist/tex/latex/base/slides.cls
+++ b/Master/texmf-dist/tex/latex/base/slides.cls
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/slides.def b/Master/texmf-dist/tex/latex/base/slides.def
index 0957e1190cd..1b7f321cf68 100644
--- a/Master/texmf-dist/tex/latex/base/slides.def
+++ b/Master/texmf-dist/tex/latex/base/slides.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/slides.sty b/Master/texmf-dist/tex/latex/base/slides.sty
index 95360e9e717..31bc19353bf 100644
--- a/Master/texmf-dist/tex/latex/base/slides.sty
+++ b/Master/texmf-dist/tex/latex/base/slides.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/syntonly.sty b/Master/texmf-dist/tex/latex/base/syntonly.sty
index 021fb0a2837..1af013f7686 100644
--- a/Master/texmf-dist/tex/latex/base/syntonly.sty
+++ b/Master/texmf-dist/tex/latex/base/syntonly.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/t1cmdh.fd b/Master/texmf-dist/tex/latex/base/t1cmdh.fd
index 2e9fccf1366..80aa2c9672c 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmdh.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmdh.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1cmfib.fd b/Master/texmf-dist/tex/latex/base/t1cmfib.fd
index 1f9db908f7f..48d22525e4b 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmfib.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmfib.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1cmfr.fd b/Master/texmf-dist/tex/latex/base/t1cmfr.fd
index bf2a2430f83..10b47f0f476 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmfr.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmfr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1cmr.fd b/Master/texmf-dist/tex/latex/base/t1cmr.fd
index ae96d870b87..861a2fc5d46 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmr.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1cmss.fd b/Master/texmf-dist/tex/latex/base/t1cmss.fd
index a0958c3da4a..dbab3cd7fe5 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmss.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1cmtt.fd b/Master/texmf-dist/tex/latex/base/t1cmtt.fd
index 9a91d9baf1a..f1bf82cf022 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1cmvtt.fd b/Master/texmf-dist/tex/latex/base/t1cmvtt.fd
index 60f488f9d9a..a7f56399a64 100644
--- a/Master/texmf-dist/tex/latex/base/t1cmvtt.fd
+++ b/Master/texmf-dist/tex/latex/base/t1cmvtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/t1enc.def b/Master/texmf-dist/tex/latex/base/t1enc.def
index c29801edda7..2e89cf8c7a2 100644
--- a/Master/texmf-dist/tex/latex/base/t1enc.def
+++ b/Master/texmf-dist/tex/latex/base/t1enc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/t1enc.dfu b/Master/texmf-dist/tex/latex/base/t1enc.dfu
index c4c517d4b67..25d0e01066f 100644
--- a/Master/texmf-dist/tex/latex/base/t1enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/t1enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
   \ProvidesFile{t1enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A0}{\nobreakspace}
 \DeclareUnicodeCharacter{00A1}{\textexclamdown}
 \DeclareUnicodeCharacter{00A3}{\textsterling}
@@ -157,7 +157,7 @@
 \DeclareUnicodeCharacter{012C}{\u I}
 \DeclareUnicodeCharacter{012D}{\u\i}
 \DeclareUnicodeCharacter{012E}{\k I}
-\DeclareUnicodeCharacter{012F}{\k\i}
+\DeclareUnicodeCharacter{012F}{\k i}
 \DeclareUnicodeCharacter{0130}{\.I}
 \DeclareUnicodeCharacter{0131}{\i}
 \DeclareUnicodeCharacter{0132}{\IJ}
@@ -282,6 +282,13 @@
 \DeclareUnicodeCharacter{2423}{\textvisiblespace}
 \DeclareUnicodeCharacter{1E20}{\@tabacckludge=G}
 \DeclareUnicodeCharacter{1E21}{\@tabacckludge=g}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \endinput
 %%
 %% End of file `t1enc.dfu'.
diff --git a/Master/texmf-dist/tex/latex/base/t1enc.sty b/Master/texmf-dist/tex/latex/base/t1enc.sty
index 32ea70f6964..cf9bc13627f 100644
--- a/Master/texmf-dist/tex/latex/base/t1enc.sty
+++ b/Master/texmf-dist/tex/latex/base/t1enc.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/t1lcmss.fd b/Master/texmf-dist/tex/latex/base/t1lcmss.fd
index d73ce24eadb..79ade458a9c 100644
--- a/Master/texmf-dist/tex/latex/base/t1lcmss.fd
+++ b/Master/texmf-dist/tex/latex/base/t1lcmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{t1lcmss.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
   \DeclareFontFamily{T1}{lcmss}{}
   \DeclareFontShape{T1}{lcmss}{m}{n}{%
   <7><8><10><12><13.82><16.59><19.907><23.89><28.66><34.4><41.28>%
diff --git a/Master/texmf-dist/tex/latex/base/t1lcmtt.fd b/Master/texmf-dist/tex/latex/base/t1lcmtt.fd
index 2d01d5f59b7..f77581d5ca4 100644
--- a/Master/texmf-dist/tex/latex/base/t1lcmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/t1lcmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{t1lcmtt.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
   \DeclareFontFamily{T1}{lcmtt}{\hyphenchar\font\m@ne}
  \DeclareFontShape{T1}{lcmtt}{m}{n}{%
       <13.82><16.59><19.907><23.89><28.66><34.4><41.28>%
diff --git a/Master/texmf-dist/tex/latex/base/t2aenc.dfu b/Master/texmf-dist/tex/latex/base/t2aenc.dfu
index fb296c8f15a..85f880d0734 100644
--- a/Master/texmf-dist/tex/latex/base/t2aenc.dfu
+++ b/Master/texmf-dist/tex/latex/base/t2aenc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{t2aenc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A4}{\textcurrency}
 \DeclareUnicodeCharacter{00A7}{\textsection}
 \DeclareUnicodeCharacter{00AB}{\guillemotleft}
@@ -230,6 +230,15 @@
 \DeclareUnicodeCharacter{2329}{\textlangle}
 \DeclareUnicodeCharacter{232A}{\textrangle}
 \DeclareUnicodeCharacter{2423}{\textvisiblespace}
+\DeclareUnicodeCharacter{27E8}{\textlangle}
+\DeclareUnicodeCharacter{27E9}{\textrangle}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \endinput
 %%
 %% End of file `t2aenc.dfu'.
diff --git a/Master/texmf-dist/tex/latex/base/t2benc.dfu b/Master/texmf-dist/tex/latex/base/t2benc.dfu
index 213ed3053ae..c3e989ea6c6 100644
--- a/Master/texmf-dist/tex/latex/base/t2benc.dfu
+++ b/Master/texmf-dist/tex/latex/base/t2benc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{t2benc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A4}{\textcurrency}
 \DeclareUnicodeCharacter{00A7}{\textsection}
 \DeclareUnicodeCharacter{00AB}{\guillemotleft}
@@ -224,6 +224,15 @@
 \DeclareUnicodeCharacter{2329}{\textlangle}
 \DeclareUnicodeCharacter{232A}{\textrangle}
 \DeclareUnicodeCharacter{2423}{\textvisiblespace}
+\DeclareUnicodeCharacter{27E8}{\textlangle}
+\DeclareUnicodeCharacter{27E9}{\textrangle}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \endinput
 %%
 %% End of file `t2benc.dfu'.
diff --git a/Master/texmf-dist/tex/latex/base/t2cenc.dfu b/Master/texmf-dist/tex/latex/base/t2cenc.dfu
index bab0a2844b7..775a07e860d 100644
--- a/Master/texmf-dist/tex/latex/base/t2cenc.dfu
+++ b/Master/texmf-dist/tex/latex/base/t2cenc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{t2cenc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A4}{\textcurrency}
 \DeclareUnicodeCharacter{00A7}{\textsection}
 \DeclareUnicodeCharacter{00AB}{\guillemotleft}
@@ -220,6 +220,15 @@
 \DeclareUnicodeCharacter{2329}{\textlangle}
 \DeclareUnicodeCharacter{232A}{\textrangle}
 \DeclareUnicodeCharacter{2423}{\textvisiblespace}
+\DeclareUnicodeCharacter{27E8}{\textlangle}
+\DeclareUnicodeCharacter{27E9}{\textrangle}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \endinput
 %%
 %% End of file `t2cenc.dfu'.
diff --git a/Master/texmf-dist/tex/latex/base/testpage.tex b/Master/texmf-dist/tex/latex/base/testpage.tex
index d7f468d2411..d2b3919f935 100644
--- a/Master/texmf-dist/tex/latex/base/testpage.tex
+++ b/Master/texmf-dist/tex/latex/base/testpage.tex
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
+% Copyright (C) 1993-2019
 % The LaTeX3 Project and any individual authors listed elsewhere
 % in this file. 
 % 
@@ -13,7 +13,7 @@
 % The latest version of this license is in
 %    https://www.latex-project.org/lppl.txt
 % and version 1.3c or later is part of all distributions of LaTeX 
-% version 2005/12/01 or later.
+% version 2008 or later.
 % 
 % This file has the LPPL maintenance status "maintained".
 % 
diff --git a/Master/texmf-dist/tex/latex/base/textcomp.sty b/Master/texmf-dist/tex/latex/base/textcomp.sty
index 0ebce83c5d3..9c8873496ee 100644
--- a/Master/texmf-dist/tex/latex/base/textcomp.sty
+++ b/Master/texmf-dist/tex/latex/base/textcomp.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/tracefnt.sty b/Master/texmf-dist/tex/latex/base/tracefnt.sty
index 30f9a2c9f95..8b677246787 100644
--- a/Master/texmf-dist/tex/latex/base/tracefnt.sty
+++ b/Master/texmf-dist/tex/latex/base/tracefnt.sty
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2018
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ts1cmr.fd b/Master/texmf-dist/tex/latex/base/ts1cmr.fd
index 2354d314c0b..e7a5e60bac2 100644
--- a/Master/texmf-dist/tex/latex/base/ts1cmr.fd
+++ b/Master/texmf-dist/tex/latex/base/ts1cmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ts1cmss.fd b/Master/texmf-dist/tex/latex/base/ts1cmss.fd
index d16b5e58d7c..1854d5ec6da 100644
--- a/Master/texmf-dist/tex/latex/base/ts1cmss.fd
+++ b/Master/texmf-dist/tex/latex/base/ts1cmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ts1cmtt.fd b/Master/texmf-dist/tex/latex/base/ts1cmtt.fd
index bfafd4eaaa8..aa6efe46293 100644
--- a/Master/texmf-dist/tex/latex/base/ts1cmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/ts1cmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ts1cmvtt.fd b/Master/texmf-dist/tex/latex/base/ts1cmvtt.fd
index 2e40854535a..b39cd1d70b7 100644
--- a/Master/texmf-dist/tex/latex/base/ts1cmvtt.fd
+++ b/Master/texmf-dist/tex/latex/base/ts1cmvtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ts1enc.def b/Master/texmf-dist/tex/latex/base/ts1enc.def
index e2d4eb6ff74..7a63a11266b 100644
--- a/Master/texmf-dist/tex/latex/base/ts1enc.def
+++ b/Master/texmf-dist/tex/latex/base/ts1enc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/ts1enc.dfu b/Master/texmf-dist/tex/latex/base/ts1enc.dfu
index 042b0fd49a0..5af0d790b93 100644
--- a/Master/texmf-dist/tex/latex/base/ts1enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/ts1enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{ts1enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A2}{\textcent}
 \DeclareUnicodeCharacter{00A3}{\textsterling}
 \DeclareUnicodeCharacter{00A4}{\textcurrency}
@@ -112,6 +112,8 @@
 \DeclareUnicodeCharacter{25E6}{\textopenbullet}
 \DeclareUnicodeCharacter{25EF}{\textbigcircle}
 \DeclareUnicodeCharacter{266A}{\textmusicalnote}
+\DeclareUnicodeCharacter{27E8}{\textlangle}
+\DeclareUnicodeCharacter{27E9}{\textrangle}
 \DeclareUnicodeCharacter{FEFF}{\ifhmode\nobreak\fi}
 \endinput
 %%
diff --git a/Master/texmf-dist/tex/latex/base/tuenc.def b/Master/texmf-dist/tex/latex/base/tuenc.def
index 33ec8381d42..89357e55c21 100644
--- a/Master/texmf-dist/tex/latex/base/tuenc.def
+++ b/Master/texmf-dist/tex/latex/base/tuenc.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
diff --git a/Master/texmf-dist/tex/latex/base/tulmdh.fd b/Master/texmf-dist/tex/latex/base/tulmdh.fd
index 6d802ccce8c..12852a648d4 100644
--- a/Master/texmf-dist/tex/latex/base/tulmdh.fd
+++ b/Master/texmf-dist/tex/latex/base/tulmdh.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 2016-2017
+%% Copyright (C) 2016-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/tulmr.fd b/Master/texmf-dist/tex/latex/base/tulmr.fd
index 6b3b7a2c647..1a9c6e93a66 100644
--- a/Master/texmf-dist/tex/latex/base/tulmr.fd
+++ b/Master/texmf-dist/tex/latex/base/tulmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 2016-2017
+%% Copyright (C) 2016-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/tulmss.fd b/Master/texmf-dist/tex/latex/base/tulmss.fd
index 2269fd7fbad..db2e38ff0f2 100644
--- a/Master/texmf-dist/tex/latex/base/tulmss.fd
+++ b/Master/texmf-dist/tex/latex/base/tulmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 2016-2017
+%% Copyright (C) 2016-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/tulmssq.fd b/Master/texmf-dist/tex/latex/base/tulmssq.fd
index b902e006595..6746f66f565 100644
--- a/Master/texmf-dist/tex/latex/base/tulmssq.fd
+++ b/Master/texmf-dist/tex/latex/base/tulmssq.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 2016-2017
+%% Copyright (C) 2016-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/tulmtt.fd b/Master/texmf-dist/tex/latex/base/tulmtt.fd
index 85792214c20..76d07d49d50 100644
--- a/Master/texmf-dist/tex/latex/base/tulmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/tulmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 2016-2017
+%% Copyright (C) 2016-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/tulmvtt.fd b/Master/texmf-dist/tex/latex/base/tulmvtt.fd
index e5f0c0238b9..f064c662a1b 100644
--- a/Master/texmf-dist/tex/latex/base/tulmvtt.fd
+++ b/Master/texmf-dist/tex/latex/base/tulmvtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 2016-2017
+%% Copyright (C) 2016-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ucmr.fd b/Master/texmf-dist/tex/latex/base/ucmr.fd
index 1aaedf0d5c1..6618705fd6f 100644
--- a/Master/texmf-dist/tex/latex/base/ucmr.fd
+++ b/Master/texmf-dist/tex/latex/base/ucmr.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ucmss.fd b/Master/texmf-dist/tex/latex/base/ucmss.fd
index 83f9e71ba35..cdcc85ffc27 100644
--- a/Master/texmf-dist/tex/latex/base/ucmss.fd
+++ b/Master/texmf-dist/tex/latex/base/ucmss.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ucmtt.fd b/Master/texmf-dist/tex/latex/base/ucmtt.fd
index 06bd9969ea6..e3e57267479 100644
--- a/Master/texmf-dist/tex/latex/base/ucmtt.fd
+++ b/Master/texmf-dist/tex/latex/base/ucmtt.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ulasy.fd b/Master/texmf-dist/tex/latex/base/ulasy.fd
index 316b0ef706a..69c25a4c13c 100644
--- a/Master/texmf-dist/tex/latex/base/ulasy.fd
+++ b/Master/texmf-dist/tex/latex/base/ulasy.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
diff --git a/Master/texmf-dist/tex/latex/base/ullasy.fd b/Master/texmf-dist/tex/latex/base/ullasy.fd
index bd6197c8412..189b91ca121 100644
--- a/Master/texmf-dist/tex/latex/base/ullasy.fd
+++ b/Master/texmf-dist/tex/latex/base/ullasy.fd
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file may only be distributed together with a copy of the LaTeX
 %% base system. You may however distribute the LaTeX base system without
@@ -46,7 +46,7 @@
 %% making successful document exchange impossible.
 %% 
 \ProvidesFile{ullasy.fd}
-        [1998/06/12 v2.2e Standard LaTeX slide font definitions]
+        [2019/07/09 v2.2f Standard LaTeX slide font definitions]
 \DeclareFontFamily{U}{llasy}{}
 \DeclareFontShape{U}{llasy}{m}{n}{%
       <12><13.82><16.59><19.907><23.89><28.66><34.4><41.28>lasy8%
diff --git a/Master/texmf-dist/tex/latex/base/utf8-2018.def b/Master/texmf-dist/tex/latex/base/utf8-2018.def
new file mode 100644
index 00000000000..576ad88d444
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/base/utf8-2018.def
@@ -0,0 +1,321 @@
+%%
+%% This is file `utf8-2018.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% utf8ienc.dtx  (with options: `utf8-2018')
+%% 
+%% This is a generated file.
+%% 
+%% The source is maintained by the LaTeX Project team and bug
+%% reports for it can be opened at https://latex-project.org/bugs.html
+%% (but please observe conditions on bug reports sent to that address!)
+%% 
+%% 
+%% Copyright (C) 1993-2019
+%% The LaTeX3 Project and any individual authors listed elsewhere
+%% in this file.
+%% 
+%% This file was generated from file(s) of the LaTeX base system.
+%% --------------------------------------------------------------
+%% 
+%% It 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
+%%    https://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2008 or later.
+%% 
+%% This file has the LPPL maintenance status "maintained".
+%% 
+%% This file may only be distributed together with a copy of the LaTeX
+%% base system. You may however distribute the LaTeX base system without
+%% such generated files.
+%% 
+%% The list of all files belonging to the LaTeX base distribution is
+%% given in the file `manifest.txt'. See also `legal.txt' for additional
+%% information.
+%% 
+%% The list of derived (unpacked) files belonging to the distribution
+%% and covered by LPPL is defined by the unpacking scripts (with
+%% extension .ins) which are part of the distribution.
+\ProvidesFile{utf8.def}
+   [2018/10/05 v1.2f UTF-8 support for inputenc]
+\makeatletter
+\catcode`\ \saved@space@catcode
+\long\def\UTFviii@two@octets#1#2{\expandafter
+    \UTFviii@defined\csname u8:#1\string#2\endcsname}
+\long\def\UTFviii@three@octets#1#2#3{\expandafter
+    \UTFviii@defined\csname u8:#1\string#2\string#3\endcsname}
+\long\def\UTFviii@four@octets#1#2#3#4{\expandafter
+    \UTFviii@defined\csname u8:#1\string#2\string#3\string#4\endcsname}
+\def\UTFviii@defined#1{%
+  \ifx#1\relax
+     \if\relax\expandafter\UTFviii@checkseq\string#1\relax\relax
+      \UTFviii@undefined@err{#1}%
+     \else
+      \PackageError{inputenc}{Invalid UTF-8 byte sequence}%
+                             \UTFviii@invalid@help
+     \fi
+  \else\expandafter
+    #1%
+  \fi
+}
+\def\UTFviii@invalid@err#1{%
+ \PackageError{inputenc}{Invalid UTF-8 byte "\UTFviii@hexnumber{`#1}}%
+                        \UTFviii@invalid@help}
+\def\UTFviii@invalid@help{%
+   The document does not appear to be in UTF-8 encoding.\MessageBreak
+   Try adding \noexpand\UseRawInputEncoding as the first line of the file\MessageBreak
+   or specify an encoding such as \noexpand\usepackage[latin1]{inputenc}\MessageBreak
+   in the document preamble.\MessageBreak
+   Alternatively, save the file in UTF-8 using your editor or another tool}
+\def\UTFviii@undefined@err#1{%
+  \PackageError{inputenc}{Unicode character \expandafter
+                          \UTFviii@splitcsname\string#1\relax
+                          \MessageBreak
+                          not set up for use with LaTeX}%
+                         {You may provide a definition with\MessageBreak
+                          \noexpand\DeclareUnicodeCharacter}%
+   }
+\def\UTFviii@checkseq#1:#2#3{%
+ \ifnum`#2<"80 %
+   \ifx\relax#3\else1\fi
+ \else
+   \ifnum`#2<"C0 %
+     1 %
+   \else
+     \expandafter\expandafter\expandafter\UTFviii@check@continue
+     \expandafter\expandafter\expandafter#3%
+   \fi
+  \fi}
+\def\UTFviii@check@continue#1{%
+  \ifx\relax#1%
+  \else
+  \ifnum`#1<"80 1\else\ifnum`#1>"BF 1\fi\fi
+  \expandafter\UTFviii@check@continue
+  \fi
+}
+\begingroup
+\catcode`\~13
+\catcode`\"12
+\def\UTFviii@loop{%
+  \uccode`\~\count@
+  \uppercase\expandafter{\UTFviii@tmp}%
+  \advance\count@\@ne
+  \ifnum\count@<\@tempcnta
+  \expandafter\UTFviii@loop
+  \fi}
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@undefined@err{:\string~}}}
+    \count@"1
+    \@tempcnta9
+\UTFviii@loop
+    \count@11
+    \@tempcnta12
+\UTFviii@loop
+    \count@14
+    \@tempcnta32
+\UTFviii@loop
+    \count@"80
+    \@tempcnta"C2
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@invalid@err\string~}}
+\UTFviii@loop
+    \count@"C2
+    \@tempcnta"E0
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@two@octets\string~}}
+\UTFviii@loop
+    \count@"E0
+    \@tempcnta"F0
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@three@octets\string~}}
+\UTFviii@loop
+    \count@"F0
+    \@tempcnta"F5
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@four@octets\string~}}
+\UTFviii@loop
+    \count@"F5
+    \@tempcnta"100
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@invalid@err\string~}}
+\UTFviii@loop
+\endgroup
+\@inpenc@test
+\ifx\@begindocumenthook\@undefined
+  \makeatother
+  \endinput \fi
+\begingroup
+\catcode`\"=12
+\catcode`\<=12
+\catcode`\.=12
+\catcode`\,=12
+\catcode`\;=12
+\catcode`\!=12
+\catcode`\~=13
+\gdef\DeclareUnicodeCharacter#1#2{%
+  \count@"#1\relax
+  \wlog{ \space\space defining Unicode char U+#1 (decimal \the\count@)}%
+  \begingroup
+    \parse@XML@charref
+    \def\UTFviii@two@octets##1##2{\csname u8:##1\string##2\endcsname}%
+    \def\UTFviii@three@octets##1##2##3{\csname u8:##1%
+                                     \string##2\string##3\endcsname}%
+    \def\UTFviii@four@octets##1##2##3##4{\csname u8:##1%
+                           \string##2\string##3\string##4\endcsname}%
+    \expandafter\expandafter\expandafter
+    \expandafter\expandafter\expandafter
+    \expandafter
+     \gdef\UTFviii@tmp{\IeC{#2}}%
+   \endgroup
+}
+\gdef\parse@XML@charref{%
+  \ifnum\count@<"A0\relax
+    \ifnum\catcode\count@=13
+      \uccode`\~=\count@\uppercase{\def\UTFviii@tmp{\@empty\@empty~}}%
+    \else
+      \PackageError{inputenc}%
+                   {Cannot define non-active Unicode char value < 00A0}%
+                   \@eha
+      \def\UTFviii@tmp{\UTFviii@tmp}%
+    \fi
+  \else\ifnum\count@<"800\relax
+     \parse@UTFviii@a,%
+     \parse@UTFviii@b C\UTFviii@two@octets.,%
+  \else\ifnum\count@<"10000\relax
+     \parse@UTFviii@a;%
+     \parse@UTFviii@a,%
+     \parse@UTFviii@b E\UTFviii@three@octets.{,;}%
+   \else
+     \ifnum\count@>"10FFFF\relax
+           \PackageError{inputenc}%
+                {\UTFviii@hexnumber\count@\space too large for Unicode}%
+                {Values between 0 and 10FFFF are permitted}%
+      \fi
+     \parse@UTFviii@a;%
+     \parse@UTFviii@a,%
+     \parse@UTFviii@a!%
+     \parse@UTFviii@b F\UTFviii@four@octets.{!,;}%
+    \fi
+    \fi
+  \fi
+}
+\gdef\parse@UTFviii@a#1{%
+     \@tempcnta\count@
+     \divide\count@ 64
+     \@tempcntb\count@
+     \multiply\count@ 64
+     \advance\@tempcnta-\count@
+     \advance\@tempcnta 128
+     \uccode`#1\@tempcnta
+     \count@\@tempcntb}
+\gdef\parse@UTFviii@b#1#2#3#4{%
+     \advance\count@ "#10\relax
+     \uccode`#3\count@
+     \uppercase{\gdef\UTFviii@tmp{#2#3#4}}}
+\ifx\numexpr\@undefined
+\gdef\decode@UTFviii#1{0}
+\else
+\gdef\decode@UTFviii#1\relax{%
+  \expandafter\UTFviii@cleanup
+    \the\numexpr\dec@de@UTFviii#1\relax)))))\@empty}
+\gdef\UTFviii@cleanup#1)#2\@empty{#1}
+\gdef\dec@de@UTFviii#1{%
+\ifx\relax#1%
+\else
+  \ifnum`#1>"EF
+    ((((`#1-"F0)%
+  \else
+    \ifnum`#1>"DF
+      (((`#1-"E0)%
+    \else
+      \ifnum`#1>"BF
+        ((`#1-"C0)%
+      \else
+        \ifnum`#1>"7F
+        )*64+(`#1-"80)%
+        \else
+        +`#1 %
+        \fi
+      \fi
+    \fi
+  \fi
+  \expandafter\dec@de@UTFviii
+\fi}
+\fi
+\ifx\numexpr\@undefined
+\global\let\UTFviii@hexnumber\@firstofone
+\global\UTFviii@hexdigit\hexnumber@
+\else
+\gdef\UTFviii@hexnumber#1{%
+\ifnum#1>15 %
+\expandafter\UTFviii@hexnumber\expandafter{\the\numexpr(#1-8)/16\relax}%
+\fi
+\UTFviii@hexdigit{\numexpr#1\ifnum#1>0-((#1-8)/16)*16\fi\relax}%
+}
+\gdef\UTFviii@hexdigit#1{\ifcase\numexpr#1\relax
+  0\or1\or2\or3\or4\or5\or6\or7\or8\or9\or
+  A\or B\or C\or D\or E\or F\fi}
+\fi
+\gdef\UTFviii@hexcodepoint#1{U+%
+ \ifnum#1<16 0\fi
+ \ifnum#1<256 0\fi
+ \ifnum#1<4096 0\fi
+ \UTFviii@hexnumber{#1}%
+}%
+\gdef\UTFviii@splitcsname#1:#2\relax{%
+#2 (\expandafter\UTFviii@hexcodepoint\expandafter{%
+                     \the\numexpr\decode@UTFviii#2\relax})%
+}
+\endgroup
+\@onlypreamble\DeclareUnicodeCharacter
+\@onlypreamble\parse@XML@charref
+\@onlypreamble\parse@UTFviii@a
+\@onlypreamble\parse@UTFviii@b
+\begingroup
+  \def\cdp@elt#1#2#3#4{%
+    \wlog{Now handling font encoding #1 ...}%
+    \lowercase{%
+        \InputIfFileExists{#1enc.dfu}}%
+           {\wlog{... processing UTF-8 mapping file for font %
+                     encoding #1}%
+            \catcode`\ 9\relax}%
+          {\wlog{... no UTF-8 mapping file for font encoding #1}}%
+  }
+  \cdp@list
+\endgroup
+\def\DeclareFontEncoding@#1#2#3{%
+  \expandafter
+  \ifx\csname T@#1\endcsname\relax
+    \def\cdp@elt{\noexpand\cdp@elt}%
+    \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
+                    {\default@family}{\default@series}%
+                    {\default@shape}}%
+    \expandafter\let\csname#1-cmd\endcsname\@changed@cmd
+    \begingroup
+      \wlog{Now handling font encoding #1 ...}%
+      \lowercase{%
+        \InputIfFileExists{#1enc.dfu}}%
+           {\wlog{... processing UTF-8 mapping file for font %
+                      encoding #1}}%
+           {\wlog{... no UTF-8 mapping file for font encoding #1}}%
+    \endgroup
+  \else
+     \@font@info{Redeclaring font encoding #1}%
+  \fi
+  \global\@namedef{T@#1}{#2}%
+  \global\@namedef{M@#1}{\default@M#3}%
+  \xdef\LastDeclaredEncoding{#1}%
+  }
+\DeclareUnicodeCharacter{00A9}{\textcopyright}
+\DeclareUnicodeCharacter{00AA}{\textordfeminine}
+\DeclareUnicodeCharacter{00AE}{\textregistered}
+\DeclareUnicodeCharacter{00BA}{\textordmasculine}
+\DeclareUnicodeCharacter{02C6}{\textasciicircum}
+\DeclareUnicodeCharacter{02DC}{\textasciitilde}
+\DeclareUnicodeCharacter{200C}{\textcompwordmark}
+\DeclareUnicodeCharacter{2026}{\textellipsis}
+\DeclareUnicodeCharacter{2122}{\texttrademark}
+\DeclareUnicodeCharacter{2423}{\textvisiblespace}
+\DeclareUnicodeCharacter{FEFF}{\ifhmode\nobreak\fi}
+\endinput
+%%
+%% End of file `utf8-2018.def'.
diff --git a/Master/texmf-dist/tex/latex/base/utf8.def b/Master/texmf-dist/tex/latex/base/utf8.def
index c7efc7d1861..ab04f853918 100644
--- a/Master/texmf-dist/tex/latex/base/utf8.def
+++ b/Master/texmf-dist/tex/latex/base/utf8.def
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,15 +42,61 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 \ProvidesFile{utf8.def}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
+\ifx\ifincsname\@undefined  % old e-pTeX or e-upTeX engines
+  \input utf8-2018.def
+  \expandafter\@firstofone
+\else
+  \expandafter\@gobble
+\fi
+  \endinput
 \makeatletter
 \catcode`\ \saved@space@catcode
-\long\def\UTFviii@two@octets#1#2{\expandafter
-    \UTFviii@defined\csname u8:#1\string#2\endcsname}
-\long\def\UTFviii@three@octets#1#2#3{\expandafter
-    \UTFviii@defined\csname u8:#1\string#2\string#3\endcsname}
-\long\def\UTFviii@four@octets#1#2#3#4{\expandafter
-    \UTFviii@defined\csname u8:#1\string#2\string#3\string#4\endcsname}
+\long\def\UTFviii@two@octets{%
+  \ifincsname
+    \expandafter \UTF@two@octets@string
+  \else
+    \ifx \protect\@typeset@protect \else
+      \expandafter\expandafter\expandafter \UTF@two@octets@noexpand
+    \fi
+  \fi
+  \UTFviii@two@octets@combine
+}
+
+\long\def\UTFviii@three@octets{%
+  \ifincsname
+    \expandafter \UTF@three@octets@string
+  \else
+    \ifx \protect\@typeset@protect \else
+      \expandafter\expandafter\expandafter \UTF@three@octets@noexpand
+    \fi
+  \fi
+  \UTFviii@three@octets@combine
+}
+\long\def\UTFviii@four@octets{%
+  \ifincsname
+    \expandafter \UTF@four@octets@string
+  \else
+    \ifx \protect\@typeset@protect \else
+      \expandafter\expandafter\expandafter \UTF@four@octets@noexpand
+    \fi
+  \fi
+  \UTFviii@four@octets@combine
+}
+\long\def\UTF@two@octets@noexpand#1#2{\noexpand#2\noexpand}
+\long\def\UTF@three@octets@noexpand#1#2#3{\noexpand#2\noexpand#3\noexpand}
+\long\def\UTF@four@octets@noexpand#1#2#3#4{\noexpand#2\noexpand#3\noexpand#4\noexpand}
+
+\long\def\UTF@two@octets@string#1#2{\string#2\string}
+\long\def\UTF@three@octets@string#1#2#3{\string#2\string#3\string}
+\long\def\UTF@four@octets@string#1#2#3#4{\string#2\string#3\string#4\string}
+
+\long\def\UTFviii@two@octets@combine#1#2{\expandafter
+    \UTFviii@defined\csname u8:\string#1\string#2\endcsname}
+\long\def\UTFviii@three@octets@combine#1#2#3{\expandafter
+    \UTFviii@defined\csname u8:\string#1\string#2\string#3\endcsname}
+\long\def\UTFviii@four@octets@combine#1#2#3#4{\expandafter
+    \UTFviii@defined\csname u8:\string#1\string#2\string#3\string#4\endcsname}
 \def\UTFviii@defined#1{%
   \ifx#1\relax
      \if\relax\expandafter\UTFviii@checkseq\string#1\relax\relax
@@ -124,15 +170,15 @@
 \UTFviii@loop
     \count@"C2
     \@tempcnta"E0
-    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@two@octets\string~}}
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@two@octets\noexpand~}}
 \UTFviii@loop
     \count@"E0
     \@tempcnta"F0
-    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@three@octets\string~}}
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@three@octets\noexpand~}}
 \UTFviii@loop
     \count@"F0
     \@tempcnta"F5
-    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@four@octets\string~}}
+    \def\UTFviii@tmp{\xdef~{\noexpand\UTFviii@four@octets\noexpand~}}
 \UTFviii@loop
     \count@"F5
     \@tempcnta"100
diff --git a/Master/texmf-dist/tex/latex/base/utf8enc.dfu b/Master/texmf-dist/tex/latex/base/utf8enc.dfu
index 30bb4c7010b..b99b98f328c 100644
--- a/Master/texmf-dist/tex/latex/base/utf8enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/utf8enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
  \ProvidesFile{utf8enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A0}{\nobreakspace}
 \DeclareUnicodeCharacter{00A1}{\textexclamdown}
 \DeclareUnicodeCharacter{00A2}{\textcent}
@@ -184,7 +184,7 @@
 \DeclareUnicodeCharacter{012C}{\u I}
 \DeclareUnicodeCharacter{012D}{\u\i}
 \DeclareUnicodeCharacter{012E}{\k I}
-\DeclareUnicodeCharacter{012F}{\k\i}
+\DeclareUnicodeCharacter{012F}{\k i}
 \DeclareUnicodeCharacter{0130}{\.I}
 \DeclareUnicodeCharacter{0131}{\i}
 \DeclareUnicodeCharacter{0132}{\IJ}
@@ -567,8 +567,17 @@
 \DeclareUnicodeCharacter{25E6}{\textopenbullet}
 \DeclareUnicodeCharacter{25EF}{\textbigcircle}
 \DeclareUnicodeCharacter{266A}{\textmusicalnote}
+\DeclareUnicodeCharacter{27E8}{\textlangle}
+\DeclareUnicodeCharacter{27E9}{\textrangle}
 \DeclareUnicodeCharacter{1E20}{\@tabacckludge=G}
 \DeclareUnicodeCharacter{1E21}{\@tabacckludge=g}
+\DeclareUnicodeCharacter{FB00}{ff}   % ﬀ
+\DeclareUnicodeCharacter{FB01}{fi}   % ﬁ
+\DeclareUnicodeCharacter{FB02}{fl}   % ﬂ
+\DeclareUnicodeCharacter{FB03}{ffi}  % ﬃ
+\DeclareUnicodeCharacter{FB04}{ffl}  % ﬄ
+\DeclareUnicodeCharacter{FB05}{ft}   % ﬅ
+\DeclareUnicodeCharacter{FB06}{st}   % ﬆ
 \DeclareUnicodeCharacter{FEFF}{\ifhmode\nobreak\fi}
 \endinput
 %%
diff --git a/Master/texmf-dist/tex/latex/base/x2enc.dfu b/Master/texmf-dist/tex/latex/base/x2enc.dfu
index 8c07f423d47..b0cca99b5d4 100644
--- a/Master/texmf-dist/tex/latex/base/x2enc.dfu
+++ b/Master/texmf-dist/tex/latex/base/x2enc.dfu
@@ -13,7 +13,7 @@
 %% (but please observe conditions on bug reports sent to that address!)
 %% 
 %% 
-%% Copyright 1993-2017
+%% Copyright (C) 1993-2019
 %% The LaTeX3 Project and any individual authors listed elsewhere
 %% in this file.
 %% 
@@ -26,7 +26,7 @@
 %% The latest version of this license is in
 %%    https://www.latex-project.org/lppl.txt
 %% and version 1.3c or later is part of all distributions of LaTeX
-%% version 2005/12/01 or later.
+%% version 2008 or later.
 %% 
 %% This file has the LPPL maintenance status "maintained".
 %% 
@@ -42,7 +42,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
   \ProvidesFile{x2enc.dfu}
-   [2018/10/05 v1.2f UTF-8 support for inputenc]
+   [2019/07/11 v1.2j UTF-8 support for inputenc]
 \DeclareUnicodeCharacter{00A4}{\textcurrency}
 \DeclareUnicodeCharacter{00A7}{\textsection}
 \DeclareUnicodeCharacter{00AB}{\guillemotleft}
@@ -268,6 +268,8 @@
 \DeclareUnicodeCharacter{2329}{\textlangle}
 \DeclareUnicodeCharacter{232A}{\textrangle}
 \DeclareUnicodeCharacter{2423}{\textvisiblespace}
+\DeclareUnicodeCharacter{27E8}{\textlangle}
+\DeclareUnicodeCharacter{27E9}{\textrangle}
 \endinput
 %%
 %% End of file `x2enc.dfu'.
author	Karl Berry <karl@freefriends.org>	2019-10-04 20:57:14 +0000
committer	Karl Berry <karl@freefriends.org>	2019-10-04 20:57:14 +0000
commit	70aaae3b3c98fb6357c846ad54ce2367e9682f50 (patch)
tree	f0446e015c31510a11ada780ad4978dce03ad104 /Master/texmf-dist/tex/latex/base
parent	be53f9d0af947622afca67b99c89a90d5c08dbd4 (diff)