amsmath (2jun21)

git-svn-id: svn://tug.org/texlive/trunk@59441 c570f23f-e606-0410-a88d-b1316a301751

14 files changed, 23 insertions, 6 deletions

diff --git a/Master/texmf-dist/doc/latex/amsmath/README.md b/Master/texmf-dist/doc/latex/amsmath/README.md
index 91311f7ad97..fad5c874650 100644
--- a/Master/texmf-dist/doc/latex/amsmath/README.md
+++ b/Master/texmf-dist/doc/latex/amsmath/README.md
@@ -1,7 +1,7 @@
 The amsmath bundle for LaTeX
 ============================
 
-Release 2020-10-01
+Release 2021-06-01
 
 Overview
 --------
@@ -77,5 +77,5 @@ version 1.3c or later.
 -----
 
 <p>Copyright (C) 2001-2004, 2007, 2008, 2010, 2011, 2013 American Mathematical Society. <br />
-<p>Copyright (C) 2016-2020 The LaTeX Project and American Mathematical Society. <br />
+<p>Copyright (C) 2016-2021 The LaTeX Project and American Mathematical Society. <br />
 
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsbsy.pdf b/Master/texmf-dist/doc/latex/amsmath/amsbsy.pdf
index bea7406f3e6..87298e6b749 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsbsy.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amsbsy.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amscd.pdf b/Master/texmf-dist/doc/latex/amsmath/amscd.pdf
index 15ec33cb58c..769bb0ae41b 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amscd.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amscd.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsgen.pdf b/Master/texmf-dist/doc/latex/amsmath/amsgen.pdf
index f50fc766d8d..f39d348b26c 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsgen.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amsgen.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsldoc.pdf b/Master/texmf-dist/doc/latex/amsmath/amsldoc.pdf
index 8ab82551e0c..d1d5a1b729f 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsldoc.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amsldoc.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsldoc.tex b/Master/texmf-dist/doc/latex/amsmath/amsldoc.tex
index b29a8b84682..26ea6cf8088 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsldoc.tex
+++ b/Master/texmf-dist/doc/latex/amsmath/amsldoc.tex
@@ -1,6 +1,6 @@
 %
 % Copyright (C) 1995, 2000, 2013 American Mathematical Society.
-% Copyright (C) 2016-2020 LaTeX3 Project and American Mathematical Society.
+% Copyright (C) 2016-2021 LaTeX Project and American Mathematical Society.
 %
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either version 1.3c
@@ -12,7 +12,7 @@
 %
 % This work has the LPPL maintenance status `maintained'.
 %
-% The Current Maintainer of this work is the LaTeX3 Project.
+% The Current Maintainer of this work is the LaTeX Project.
 %
 \documentclass[leqno,titlepage,openany]{amsldoc}[1999/12/13]
 
@@ -63,7 +63,7 @@ Bug reports can be opened (category \texttt{#1}) at\\%
 %    End definitions for amsldoc.cls
 
 \title{User's Guide for the \nipkg{amsmath} Package (Version~2.1)}
-\author{American Mathematical Society, \LaTeX3 Project}
+\author{American Mathematical Society, \LaTeX\ Project}
 \date{1999-12-13\\(revised 2002-02-25, 2016-11-14, 2018-04-05, 2019-10-14, 2020-02-18)}
 \makeatletter
 \def\@thanks{\bigskip\MaintainedByLaTeXTeam{amslatex}}
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsmath.pdf b/Master/texmf-dist/doc/latex/amsmath/amsmath.pdf
index 01dad27e8b7..bf6facd4ae9 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsmath.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amsmath.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsopn.pdf b/Master/texmf-dist/doc/latex/amsmath/amsopn.pdf
index b8b5b9e0d1a..93967d67d92 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsopn.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amsopn.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amstext.pdf b/Master/texmf-dist/doc/latex/amsmath/amstext.pdf
index 64bf5378d20..96bdf23de38 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amstext.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amstext.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/amsxtra.pdf b/Master/texmf-dist/doc/latex/amsmath/amsxtra.pdf
index 0a866cd1303..52412bd2bf8 100644
--- a/Master/texmf-dist/doc/latex/amsmath/amsxtra.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/amsxtra.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/changes.txt b/Master/texmf-dist/doc/latex/amsmath/changes.txt
index be86f3c1342..63bea7e7275 100644
--- a/Master/texmf-dist/doc/latex/amsmath/changes.txt
+++ b/Master/texmf-dist/doc/latex/amsmath/changes.txt
@@ -1,6 +1,23 @@
+================================================================================
+All changes above are only part of the development branch for the next release.
+================================================================================
+
+#########################
+# 2021-06-01 Release
+#########################
+
+2021-04-20  Frank Mittelbach  <Frank.Mittelbach@latex-project.org>
+
+	* amsmath.dtx (subsection{Preliminary macros}):
+	Use \protected for \\ variant (gh/548)
+
+#########################
+# 2020-10-01 Release
+#########################
+
 2020/09/23 Ulrike Fischer <Ulrike.Fischer@latex-project.org>
 	* amsmath.dtx (subsection{Fractions}):
-	added \cs{Ustack} to \cs{frac} and \cs{genfrac} for luatex
+	added \Ustack to \frac and \genfrac for luatex
 	(moved patch from lualatex-math)
 	* amsmath.dtx (section{Array-related environments})
 	changed subarray for luatex: moved to version from lualatex-math
diff --git a/Master/texmf-dist/doc/latex/amsmath/subeqn.pdf b/Master/texmf-dist/doc/latex/amsmath/subeqn.pdf
index 49221aec98e..8d303240df2 100644
--- a/Master/texmf-dist/doc/latex/amsmath/subeqn.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/subeqn.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/technote.pdf b/Master/texmf-dist/doc/latex/amsmath/technote.pdf
index fa7a6fc05e4..92bf94d6aa1 100644
--- a/Master/texmf-dist/doc/latex/amsmath/technote.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/technote.pdf
diff --git a/Master/texmf-dist/doc/latex/amsmath/testmath.pdf b/Master/texmf-dist/doc/latex/amsmath/testmath.pdf
index 21ad91ed7dd..b08715bb87d 100644
--- a/Master/texmf-dist/doc/latex/amsmath/testmath.pdf
+++ b/Master/texmf-dist/doc/latex/amsmath/testmath.pdf