10 files changed, 356 insertions, 31 deletions
diff --git a/Master/texmf-dist/doc/latex/breqn/CHANGES.md b/Master/texmf-dist/doc/latex/breqn/CHANGES.md
new file mode 100644
index 00000000000..fb079f78cc8
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/breqn/CHANGES.md
@@ -0,0 +1,10 @@
+# Release notes for the `breqn` packages
+
+* v0.98f (2018/09/14)
+
+  * Insert `\nolinenumbers` inside maths environments if the `lineno` package is loaded.
+    It would be better to insert a line number, but at least with this the document still compiles!
+
+* v0.98e (2017/01/27)
+
+  * Fix in `\mathchoice` to allow use under recent versions of LuaTeX
diff --git a/Master/texmf-dist/doc/latex/breqn/README.md b/Master/texmf-dist/doc/latex/breqn/README.md
index 276fab16d00..ab25e9bf71d 100644
--- a/Master/texmf-dist/doc/latex/breqn/README.md
+++ b/Master/texmf-dist/doc/latex/breqn/README.md
@@ -1,34 +1,39 @@
+
 # The BREQN packages
 
-This is the latest repository for the breqn package, originally developed by Michael J. Downes and later taken over by Morten Høgholm.
+This is the latest repository for the breqn package, originally developed by
+Michael J. Downes and later taken over by Morten Høgholm.
+Will Robertson currently manages the code but without time for major development.
 
-The version of the package here will be used as the source for current CTAN releases.
+* CTAN URL: <https://ctan.org/pkg/breqn>
+* Feedback/bugs: <https://github.com/wspr/breqn/issues>
+* Change history: [CHANGES.md](./CHANGES.md)
 
-Internal updates are planned but no major development is expected. Contributors welcome — if you dare.
+## Installation
 
-Feedback should be directed to the Issue Tracker at:
-  <https://github.com/wspr/breqn/issues>
+The `breqn` packages are distributed in the major TeX distributions so manual installation
+is only necessary if you wish to install pre-release versions or contribute to the development
+of the package.
 
-## Installation
+Individually, running `pdftex` on each dtx file extracts the runtime files.
+As a package, `l3build install` will extract the needed files and install them locally.
 
-Running TeX on each dtx file extracts the runtime files. See the dtx
-files for details.
 
-## The code
 
-### breqn
+# The code
+
+## breqn
 
 The breqn package facilitates automatic line-breaking of displayed
-math expressions. The package was originally developed by Michael
-J. Downes.
+math expressions.
 
-### flexisym
+## flexisym
 
 This package turns math symbols into macros.
-Is is required by breqn so that breqn can make intelligent decisions
+It is required by breqn so that breqn can make intelligent decisions
 with respect to line-breaking and other details.
 
-### mathstyle
+## mathstyle
 
 Ensures uniform syntax for math subscript (_) and superscript (^)
 operations so that they always take exactly one argument.
@@ -36,8 +41,4 @@ Grants access to the current mathstyle which eases several tasks such
 as avoiding the many pitfalls of \mathchoice and \mathpalette.
 This package is used by flexisym.
 
-## Release notes
-
-* v0.98e (2017/01/27)
 
-  * Fix in `\mathchoice` to allow use under recent versions of LuaTeX
diff --git a/Master/texmf-dist/doc/latex/breqn/breqn.pdf b/Master/texmf-dist/doc/latex/breqn/breqn.pdf
index 441bd80c44d..90f25a563aa 100644
--- a/Master/texmf-dist/doc/latex/breqn/breqn.pdf
+++ b/Master/texmf-dist/doc/latex/breqn/breqn.pdf
diff --git a/Master/texmf-dist/doc/latex/breqn/flexisym.pdf b/Master/texmf-dist/doc/latex/breqn/flexisym.pdf
index 627bc038953..216df9adabb 100644
--- a/Master/texmf-dist/doc/latex/breqn/flexisym.pdf
+++ b/Master/texmf-dist/doc/latex/breqn/flexisym.pdf
diff --git a/Master/texmf-dist/doc/latex/breqn/mathstyle.pdf b/Master/texmf-dist/doc/latex/breqn/mathstyle.pdf
index ac8f9a08c9a..39d577182c0 100644
--- a/Master/texmf-dist/doc/latex/breqn/mathstyle.pdf
+++ b/Master/texmf-dist/doc/latex/breqn/mathstyle.pdf
diff --git a/Master/texmf-dist/source/latex/breqn/breqn.dtx b/Master/texmf-dist/source/latex/breqn/breqn.dtx
index 8f23f28cf76..6b93a18506d 100644
--- a/Master/texmf-dist/source/latex/breqn/breqn.dtx
+++ b/Master/texmf-dist/source/latex/breqn/breqn.dtx
@@ -78,7 +78,7 @@ This is a generated file.
 Copyright (C) 1997-2003 by Michael J. Downes
 Copyright (C) 2007-2008 by Morten Hoegholm
 Copyright (C) 2007-2014 by Lars Madsen
-Copyright (C) 2007-2017 by Will Robertson
+Copyright (C) 2007-2018 by Will Robertson
 Copyright (C) 2010-2017 by Joseph Wright
 
 This work may be distributed and/or modified under the
@@ -124,7 +124,7 @@ and the derived files
 %</ignore>
 %<*driver>
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesFile{breqn.drv}[2017/01/27 0.98e breqn]
+\ProvidesFile{breqn.drv}[2018/09/14 0.98f breqn]
 \documentclass{ltxdoc}
 \CodelineIndex
 \EnableCrossrefs
@@ -1457,8 +1457,6 @@ and the derived files
 %
 % \section{Prelim}
 %
-% This package doesn't work with \latex  2.09, nor with other
-% versions of \latex  earlier than 1994/12/01.
 %    \begin{macrocode}
 %<*package>
 \NeedsTeXFormat{LaTeX2e}
@@ -1466,8 +1464,8 @@ and the derived files
 %
 % Declare package name and date.
 %    \begin{macrocode}
-\RequirePackage{expl3}[2009/08/05]
-\ProvidesExplPackage{breqn}{2017/01/27}{0.98e}{Breaking equations}
+\RequirePackage{expl3}
+\ProvidesExplPackage{breqn}{2018/09/14}{0.98f}{Breaking equations}
 %    \end{macrocode}
 %   Regrettably, \pkg{breqn} is internally a mess, so we have to take
 %   some odd steps.
@@ -2041,12 +2039,13 @@ and the derived files
 %    \begin{macrocode}
 %<*trace>
 \errorcontextlines=2000\relax
+\typeout{BREQN DEBUGGING MODE ACTIVE}
 %    \end{macrocode}
 %
 % \begin{macro}{\breqn@debugmsg}
 % Print a debugging message.
 %    \begin{macrocode}
-\long\def\breqn@debugmsg#1{\GenericInfo{||}{||=\space#1}}
+\long\def\breqn@debugmsg#1{\GenericWarning{||}{||=\space#1}}
 %    \end{macrocode}
 % \end{macro}
 %
@@ -2969,6 +2968,15 @@ and the derived files
 %  1) modifications supplied by MJD to fix the eaten \cs{paragraph} problem.
 %  2) Added \cs{display@setup} here, rather than globally.
 %
+% \begin{macro}{\@dmath@start@hook}
+% \begin{macro}{\@dgroup@start@hook}
+%    \begin{macrocode}
+\let\@dmath@start@hook\@empty
+\let\@dgroup@start@hook\@empty
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+%
 % \begin{macro}{\dmath}
 % \begin{macro}{\enddmath}
 % For the \env{dmath} environment we don't want the standard
@@ -2977,6 +2985,7 @@ and the derived files
 % for math material.    So we call \cs{@optarg} instead.
 %    \begin{macrocode}
 \newenvironment{dmath}{%
+ \@dmath@start@hook
  \let\eq@hasNumber\@True \@optarg\@dmath{}}{}
 \def\@dmath[#1]{%
 %<trace>  \breqn@debugmsg{=== DMATH ==================================================}%
@@ -3005,7 +3014,9 @@ and the derived files
 % \cs{enddmath} needs to look ahead for punctuation (and
 % \cs{qed}?).
 %    \begin{macrocode}
-\def\enddmath#1{\check@punct@or@qed}
+\def\enddmath#1{%
+  \check@punct@or@qed
+}
 \def\end@dmath{%
   \gdef\EQ@setwdL{}% Occasionally undefined ???
   \eq@capture
@@ -3035,6 +3046,7 @@ and the derived files
 % Ah yes, now the lovely \env{dmath*} environment.
 %    \begin{macrocode}
 \newenvironment{dmath*}{%
+  \@dmath@start@hook
   \let\eq@hasNumber\@False \@optarg\@dmath{}%
 }{}
 \@namedef{end@dmath*}{\end@dmath}
@@ -6520,6 +6532,7 @@ and the derived files
 % Definition of the \env{dgroup} environment.
 %    \begin{macrocode}
 \newenvironment{dgroup}{%
+  \@dgroup@start@hook
   \let\grp@hasNumber\@True\@optarg\@dgroup{}%
 }{%
   \end@dgroup
@@ -7107,6 +7120,17 @@ and the derived files
 % \end{macro}
 %
 %
+% \section{Compatibility}
+%
+% \paragraph{lineno} (or at the very least, allow documents to compile!)
+%    \begin{macrocode}
+\AtBeginDocument{%
+  \@ifpackageloaded{lineno}{%
+    \g@addto@macro\@dmath@start@hook{\nolinenumbers}%
+    \g@addto@macro\@dgroup@start@hook{\nolinenumbers}%
+  }{}%
+}
+%    \end{macrocode}
 %
 %
 %
diff --git a/Master/texmf-dist/source/latex/breqn/breqn.ins b/Master/texmf-dist/source/latex/breqn/breqn.ins
new file mode 100644
index 00000000000..4c1c5b316f9
--- /dev/null
+++ b/Master/texmf-dist/source/latex/breqn/breqn.ins
@@ -0,0 +1,91 @@
+%%
+%% This is file `breqn.ins',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% breqn.dtx  (with options: `install')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 1997-2003 by Michael J. Downes
+%% Copyright (C) 2007-2008 by Morten Hoegholm
+%% Copyright (C) 2007-2014 by Lars Madsen
+%% Copyright (C) 2007-2018 by Will Robertson
+%% Copyright (C) 2010-2017 by Joseph Wright
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.3 of this license or (at your option) any later
+%% version. The latest version of this license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of
+%% LaTeX version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status "maintained".
+%% 
+%% The Current Maintainer of this work is Will Robertson.
+%% 
+%% This work consists of the main source file breqn.dtx
+%% and the derived files
+%%    breqn.sty, breqn.pdf, breqn.ins.
+%% 
+\input docstrip.tex
+\Msg{************************************************************************}
+\Msg{* Installation: breqn}
+\Msg{************************************************************************}
+
+\keepsilent
+\askforoverwritefalse
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 1997-2003 by Michael J. Downes
+Copyright (C) 2007-2008 by Morten Hoegholm
+Copyright (C) 2007-2014 by Lars Madsen
+Copyright (C) 2007-2018 by Will Robertson
+Copyright (C) 2010-2017 by Joseph Wright
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either
+version 1.3 of this license or (at your option) any later
+version. The latest version of this license is in
+   http://www.latex-project.org/lppl.txt
+and version 1.3 or later is part of all distributions of
+LaTeX version 2005/12/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+The Current Maintainer of this work is Will Robertson.
+
+This work consists of the main source file breqn.dtx
+and the derived files
+   breqn.sty, breqn.pdf, breqn.ins.
+
+\endpreamble
+
+\generate{%
+  \file{breqn.ins}{\from{breqn.dtx}{install}}%
+  \usedir{tex/latex/breqn}%
+  \file{breqn.sty}{\from{breqn.dtx}{package}}%
+}
+
+\obeyspaces
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* file into a directory searched by TeX:}
+\Msg{*}
+\Msg{*     breqn.sty}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+
+\endinput
+%%
+%% End of file `breqn.ins'.
diff --git a/Master/texmf-dist/source/latex/breqn/flexisym.ins b/Master/texmf-dist/source/latex/breqn/flexisym.ins
new file mode 100644
index 00000000000..bed8a528d5b
--- /dev/null
+++ b/Master/texmf-dist/source/latex/breqn/flexisym.ins
@@ -0,0 +1,96 @@
+%%
+%% This is file `flexisym.ins',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% flexisym.dtx  (with options: `install')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 1997-2003 by Michael J. Downes
+%% Copyright (C) 2007-2010 by Morten Hoegholm
+%% Copyright (C) 2007-2014 by Lars Madsen
+%% Copyright (C) 2007-2017 by Will Robertson
+%% Copyright (C) 2010-2017 by Joseph Wright
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.3 of this license or (at your option) any later
+%% version. The latest version of this license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of
+%% LaTeX version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status "maintained".
+%% 
+%% The Current Maintainer of this work is Will Robertson.
+%% 
+%% This work consists of the main source file flexisym.dtx
+%% and the derived files
+%%    flexisym.sty, flexisym.pdf, flexisym.ins,
+%%    cmbase.sym, mathpazo.sym, mathptmx.sym, msabm.sym.
+%% 
+\input docstrip.tex
+\Msg{************************************************************************}
+\Msg{* Installation: flexisym}
+\Msg{************************************************************************}
+
+\keepsilent
+\askforoverwritefalse
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 1997-2003 by Michael J. Downes
+Copyright (C) 2007-2010 by Morten Hoegholm
+Copyright (C) 2007-2014 by Lars Madsen
+Copyright (C) 2007-2017 by Will Robertson
+Copyright (C) 2010-2017 by Joseph Wright
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either
+version 1.3 of this license or (at your option) any later
+version. The latest version of this license is in
+   http://www.latex-project.org/lppl.txt
+and version 1.3 or later is part of all distributions of
+LaTeX version 2005/12/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+The Current Maintainer of this work is Will Robertson.
+
+This work consists of the main source file flexisym.dtx
+and the derived files
+   flexisym.sty, flexisym.pdf, flexisym.ins,
+   cmbase.sym, mathpazo.sym, mathptmx.sym, msabm.sym.
+
+\endpreamble
+
+\generate{%
+  \file{flexisym.ins}{\from{flexisym.dtx}{install}}%
+  \usedir{tex/latex/breqn}%
+  \file{flexisym.sty}{\from{flexisym.dtx}{package}}%
+  \file{cmbase.sym}{\from{flexisym.dtx}{cmbase}}%
+  \file{mathpazo.sym}{\from{flexisym.dtx}{mathpazo}}%
+  \file{mathptmx.sym}{\from{flexisym.dtx}{mathptmx}}%
+  \file{msabm.sym}{\from{flexisym.dtx}{msabm}}%
+}
+
+\obeyspaces
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* files into a directory searched by TeX:}
+\Msg{*}
+\Msg{*     flexisym.sty, cmbase.sym, mathpazo.sym, mathptmx.sym, msabm.sym}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+\endinput
+%%
+%% End of file `flexisym.ins'.
diff --git a/Master/texmf-dist/source/latex/breqn/mathstyle.ins b/Master/texmf-dist/source/latex/breqn/mathstyle.ins
new file mode 100644
index 00000000000..79d6f7390c6
--- /dev/null
+++ b/Master/texmf-dist/source/latex/breqn/mathstyle.ins
@@ -0,0 +1,90 @@
+%%
+%% This is file `mathstyle.ins',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% mathstyle.dtx  (with options: `install')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 1997-2003 by Michael J. Downes
+%% Copyright (C) 2007-2011 by Morten Hoegholm et al
+%% Copyright (C) 2007-2014 by Lars Madsen
+%% Copyright (C) 2007-2017 by Will Robertson
+%% Copyright (C) 2010-2017 by Joseph Wright
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.3 of this license or (at your option) any later
+%% version. The latest version of this license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of
+%% LaTeX version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status "maintained".
+%% 
+%% The Current Maintainer of this work is Will Robertson.
+%% 
+%% This work consists of the main source file mathstyle.dtx
+%% and the derived files
+%%    mathstyle.sty, mathstyle.pdf, mathstyle.ins.
+%% 
+\input docstrip.tex
+\Msg{************************************************************************}
+\Msg{* Installation for package: mathstyle}
+\Msg{************************************************************************}
+
+\keepsilent
+\askforoverwritefalse
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 1997-2003 by Michael J. Downes
+Copyright (C) 2007-2011 by Morten Hoegholm et al
+Copyright (C) 2007-2014 by Lars Madsen
+Copyright (C) 2007-2017 by Will Robertson
+Copyright (C) 2010-2017 by Joseph Wright
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either
+version 1.3 of this license or (at your option) any later
+version. The latest version of this license is in
+   http://www.latex-project.org/lppl.txt
+and version 1.3 or later is part of all distributions of
+LaTeX version 2005/12/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+The Current Maintainer of this work is Will Robertson.
+
+This work consists of the main source file mathstyle.dtx
+and the derived files
+   mathstyle.sty, mathstyle.pdf, mathstyle.ins.
+
+\endpreamble
+
+\generate{%
+  \file{mathstyle.ins}{\from{mathstyle.dtx}{install}}%
+  \usedir{tex/latex/breqn}%
+  \file{mathstyle.sty}{\from{mathstyle.dtx}{package}}%
+}
+
+\obeyspaces
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* file into a directory searched by TeX:}
+\Msg{*}
+\Msg{*     mathstyle.sty}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+\endinput
+%%
+%% End of file `mathstyle.ins'.
diff --git a/Master/texmf-dist/tex/latex/breqn/breqn.sty b/Master/texmf-dist/tex/latex/breqn/breqn.sty
index 075b653229d..93b49aa70b8 100644
--- a/Master/texmf-dist/tex/latex/breqn/breqn.sty
+++ b/Master/texmf-dist/tex/latex/breqn/breqn.sty
@@ -11,7 +11,7 @@
 %% Copyright (C) 1997-2003 by Michael J. Downes
 %% Copyright (C) 2007-2008 by Morten Hoegholm
 %% Copyright (C) 2007-2014 by Lars Madsen
-%% Copyright (C) 2007-2017 by Will Robertson
+%% Copyright (C) 2007-2018 by Will Robertson
 %% Copyright (C) 2010-2017 by Joseph Wright
 %% 
 %% This work may be distributed and/or modified under the
@@ -31,8 +31,8 @@
 %%    breqn.sty, breqn.pdf, breqn.ins.
 %% 
 \NeedsTeXFormat{LaTeX2e}
-\RequirePackage{expl3}[2009/08/05]
-\ProvidesExplPackage{breqn}{2017/01/27}{0.98e}{Breaking equations}
+\RequirePackage{expl3}
+\ProvidesExplPackage{breqn}{2018/09/14}{0.98f}{Breaking equations}
 \ExplSyntaxOff
 \edef\breqnpopcats{%
   \catcode\number`\"=\number\catcode`\"
@@ -444,7 +444,10 @@
 \define@key{breqn}{cols}{\global\let\@preamble\@empty
   \darray@mkpream#1\@percentchar
 }
+\let\@dmath@start@hook\@empty
+\let\@dgroup@start@hook\@empty
 \newenvironment{dmath}{%
+ \@dmath@start@hook
  \let\eq@hasNumber\@True \@optarg\@dmath{}}{}
 \def\@dmath[#1]{%
   \everydisplay\expandafter{\the\everydisplay \display@setup}%
@@ -458,7 +461,9 @@
   \eq@setup@a
   \eq@startup
 }
-\def\enddmath#1{\check@punct@or@qed}
+\def\enddmath#1{%
+  \check@punct@or@qed
+}
 \def\end@dmath{%
   \gdef\EQ@setwdL{}% Occasionally undefined ???
   \eq@capture
@@ -468,6 +473,7 @@
   \if\eq@group \grp@push \else \eq@finish\fi
 }
 \newenvironment{dmath*}{%
+  \@dmath@start@hook
   \let\eq@hasNumber\@False \@optarg\@dmath{}%
 }{}
 \@namedef{end@dmath*}{\end@dmath}
@@ -1751,6 +1757,7 @@
 \let\grp@eqs@numbered\@False
 \let\grp@aligned\@True
 \newenvironment{dgroup}{%
+  \@dgroup@start@hook
   \let\grp@hasNumber\@True\@optarg\@dgroup{}%
 }{%
   \end@dgroup
@@ -2035,6 +2042,12 @@
 \def\nref#1{\@xp\@nref\csname r@#1\endcsname}
 \def\@nref#1#2{\ifx\relax#1??\else \@xp\@firstoftwo#1\fi}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\AtBeginDocument{%
+  \@ifpackageloaded{lineno}{%
+    \g@addto@macro\@dmath@start@hook{\nolinenumbers}%
+    \g@addto@macro\@dgroup@start@hook{\nolinenumbers}%
+  }{}%
+}
 
 \endinput
 %%