libstdc++: Fix recent documentation changes

	* doc/xml/faq.xml: Fix grammar.
	* doc/xml/manual/appendix_contributing.xml: Improve instructions.
	* doc/xml/manual/spine.xml: Update copyright years.
	* doc/html/*: Regenerate.

13 files changed, 47 insertions, 55 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 906f4ba..17cc0f3 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2020-01-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/xml/faq.xml: Fix grammar.
+	* doc/xml/manual/appendix_contributing.xml: Improve instructions.
+	* doc/xml/manual/spine.xml: Update copyright years.
+	* doc/html/*: Regenerate.
+
 2020-01-19  Eric S. Raymond <esr@thyrsus.com>
 
 	* doc/xml/faq.xml: Update for SVN -> Git transition.
diff --git a/libstdc++-v3/doc/html/api.html b/libstdc++-v3/doc/html/api.html
index c1d3eb1..fc27b5f 100644
--- a/libstdc++-v3/doc/html/api.html
+++ b/libstdc++-v3/doc/html/api.html
@@ -38,4 +38,4 @@
 </p><p>
   In addition, a rendered set of man pages are available in the same
   location specified above. Start with C++Intro(3).
-</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="bk02.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="bk02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="bk03.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>
+</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="bk02.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="bk02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="bk03.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>
\ No newline at end of file
diff --git a/libstdc++-v3/doc/html/faq.html b/libstdc++-v3/doc/html/faq.html
index 1f6934e..ac99835 100644
--- a/libstdc++-v3/doc/html/faq.html
+++ b/libstdc++-v3/doc/html/faq.html
@@ -113,9 +113,8 @@
      clauses 20 through 33 and annex D (prior to the 2017 standard
      the library clauses started with 17).  For those who want to see
      exactly how far the project has come, or just want the latest
-     bleeding-edge code, the up-to-date source is available over
-     anonymous SVN, and can be browsed over the
-     <a class="link" href="https://gcc.gnu.org/svn.html" target="_top">web</a>.
+     bleeding-edge code, the up-to-date source can be cloned via
+     <a class="link" href="https://gcc.gnu.org/git.html" target="_top">Git</a>.
     </p><p>
     N.B. The library is called libstdc++ <span class="emphasis"><em>not</em></span> stdlibc++.
     </p></td></tr><tr class="question"><td align="left" valign="top"><a id="faq.why"></a><a id="q-why"></a><p><strong>1.2.</strong></p></td><td align="left" valign="top"><p>
@@ -260,24 +259,11 @@
     mirrors. A full <a class="link" href="https://gcc.gnu.org/mirrors.html" target="_top">list of
     download sites</a> is provided on the main GCC site.
     </p><p>
-    Current libstdc++ sources can always be checked out of the main
-    GCC source repository using the appropriate version control
-    tool. At this time, that tool
-    is <span class="application">Subversion</span>.
-    </p><p>
-    <span class="application">Subversion</span>, or <acronym class="acronym">SVN</acronym>, is
-    one of several revision control packages.  It was selected for GNU
-    projects because it's free (speech), free (beer), and very high
-    quality.  The <a class="link" href="http://subversion.tigris.org" target="_top"> Subversion
-    home page</a> has a better description.
-    </p><p>
-    The <span class="quote">“<span class="quote">anonymous client checkout</span>”</span> feature of SVN is
-    similar to anonymous FTP in that it allows anyone to retrieve
-    the latest libstdc++ sources.
-    </p><p>
-    For more information
-    see <a class="link" href="https://gcc.gnu.org/svn.html" target="_top"><acronym class="acronym">SVN</acronym>
-    details</a>.
+    Current libstdc++ sources can always be found in the main GCC source
+    repository, available using the appropriate version control tool.
+    At this time, that tool is <span class="application">Git</span>.
+    For more details see the documentation on
+    <a class="link" href="https://gcc.gnu.org/git.html" target="_top">using the Git repository</a>.
     </p></td></tr><tr class="question"><td align="left" valign="top"><a id="faq.how_to_test"></a><a id="q-how_to_test"></a><p><strong>3.3.</strong></p></td><td align="left" valign="top"><p>How do I know if it works?
     </p></td></tr><tr class="answer"><td align="left" valign="top"><a id="a-how_to_test"></a></td><td align="left" valign="top"><p>
     Libstdc++ comes with its own validation testsuite, which includes
diff --git a/libstdc++-v3/doc/html/index.html b/libstdc++-v3/doc/html/index.html
index 6302b32..4647520 100644
--- a/libstdc++-v3/doc/html/index.html
+++ b/libstdc++-v3/doc/html/index.html
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>The GNU C++ Library</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><meta name="description" content="Short Contents Copyright (C) 2008-2019 FSF Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. This is the top level of the libstdc++ documentation set. The documentation is divided into the following three sections. Manual Frequently Asked Questions API and Source Documentation" /><meta name="keywords" content="ISO C++, runtime, library" /><link rel="home" href="index.html" title="The GNU C++ Library" /><link rel="next" href="manual/index.html" title="The GNU C++ Library Manual" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">The GNU C++ Library</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="manual/index.html">Next</a></td></tr></table><hr /></div><div class="set" lang="en" xml:lang="en"><div class="titlepage"><div><div><h1 class="title"><a id="set-index"></a>The GNU C++ Library</h1></div><div><div class="abstract"><a id="contents"></a><p class="title"><strong>Short Contents</strong></p><p>
-      Copyright (C) 2008-2019
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>The GNU C++ Library</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><meta name="description" content="Short Contents Copyright (C) 2008-2020 FSF Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. This is the top level of the libstdc++ documentation set. The documentation is divided into the following three sections. Manual Frequently Asked Questions API and Source Documentation" /><meta name="keywords" content="ISO C++, runtime, library" /><link rel="home" href="index.html" title="The GNU C++ Library" /><link rel="next" href="manual/index.html" title="The GNU C++ Library Manual" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">The GNU C++ Library</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="manual/index.html">Next</a></td></tr></table><hr /></div><div class="set" lang="en" xml:lang="en"><div class="titlepage"><div><div><h1 class="title"><a id="set-index"></a>The GNU C++ Library</h1></div><div><div class="abstract"><a id="contents"></a><p class="title"><strong>Short Contents</strong></p><p>
+      Copyright (C) 2008-2020
       <a class="link" href="https://www.fsf.org" target="_top">FSF
       </a>
     </p><p>
diff --git a/libstdc++-v3/doc/html/manual/appendix_contributing.html b/libstdc++-v3/doc/html/manual/appendix_contributing.html
index 7c7bd5a..28c4655 100644
--- a/libstdc++-v3/doc/html/manual/appendix_contributing.html
+++ b/libstdc++-v3/doc/html/manual/appendix_contributing.html
@@ -90,14 +90,12 @@
 	  easily and simply show the existing error or test new
 	  functionality.
 	</p></li><li class="listitem"><p>
-	  The patch itself. If you are accessing the SVN
-	  repository use <span class="command"><strong>svn update; svn diff NEW</strong></span>;
-	  else, use <span class="command"><strong>diff -cp OLD NEW</strong></span> ... If your
+	  The patch itself. If you are using the Git repository use
+	  <span class="command"><strong>git diff</strong></span> or <span class="command"><strong>git format-patch</strong></span>
+	  to produce a patch;
+	  otherwise, use <span class="command"><strong>diff -cp OLD NEW</strong></span>. If your
 	  version of diff does not support these options, then get the
-	  latest version of GNU
-	  diff. The <a class="link" href="http://gcc.gnu.org/wiki/SvnTricks" target="_top">SVN
-	  Tricks</a> wiki page has information on customising the
-	  output of <code class="code">svn diff</code>.
+	  latest version of GNU diff.
 	</p></li><li class="listitem"><p>
 	  When you have all these pieces, bundle them up in a
 	  mail message and send it to libstdc++@gcc.gnu.org. All
diff --git a/libstdc++-v3/doc/html/manual/appendix_gpl.html b/libstdc++-v3/doc/html/manual/appendix_gpl.html
index 119d623..e5189e3 100644
--- a/libstdc++-v3/doc/html/manual/appendix_gpl.html
+++ b/libstdc++-v3/doc/html/manual/appendix_gpl.html
@@ -675,7 +675,7 @@ under certain conditions; type ‘<code class="literal">show c</code>’ for det
     subroutine library, you may consider it more useful to permit linking
     proprietary applications with the library.  If this is what you want to do,
     use the <acronym class="acronym">GNU</acronym> Lesser General Public License instead of this
-    License.  But first, please read <a class="link" href="https://www.gnu.org/philosophy/why-not-lgpl.html" target="_top">https://www.gnu.org/philosophy/why-not-lgpl.html</a>.
+    License.  But first, please read <a class="link" href="https://www.gnu.org/licenses/why-not-lgpl.html" target="_top">https://www.gnu.org/licenses/why-not-lgpl.html</a>.
   </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="appendix_free.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendix.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="appendix_gfdl.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Appendix C. 
   Free Software Needs Free Documentation
   
diff --git a/libstdc++-v3/doc/html/manual/index.html b/libstdc++-v3/doc/html/manual/index.html
index 3f2a482..0344452 100644
--- a/libstdc++-v3/doc/html/manual/index.html
+++ b/libstdc++-v3/doc/html/manual/index.html
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>The GNU C++ Library Manual</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><meta name="keywords" content="ISO C++, runtime, library" /><link rel="home" href="../index.html" title="The GNU C++ Library" /><link rel="up" href="../index.html" title="The GNU C++ Library" /><link rel="prev" href="../index.html" title="The GNU C++ Library" /><link rel="next" href="intro.html" title="Part I.  Introduction" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">The GNU C++ Library Manual</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="../index.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="intro.html">Next</a></td></tr></table><hr /></div><div class="book"><div class="titlepage"><div><div><h1 class="title"><a id="manual"></a>The GNU C++ Library Manual</h1></div><div><div class="authorgroup"><div class="author"><h3 class="author"><span class="firstname"></span> <span class="surname"></span></h3></div><div class="author"><h3 class="author"><span class="firstname">Paolo</span> <span class="surname">Carlini</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Phil</span> <span class="surname">Edwards</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Doug</span> <span class="surname">Gregor</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Benjamin</span> <span class="surname">Kosnik</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Dhruv</span> <span class="surname">Matani</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Jason</span> <span class="surname">Merrill</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Mark</span> <span class="surname">Mitchell</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Nathan</span> <span class="surname">Myers</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Felix</span> <span class="surname">Natter</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Stefan</span> <span class="surname">Olsson</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Johannes</span> <span class="surname">Singler</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Ami</span> <span class="surname">Tavory</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Jonathan</span> <span class="surname">Wakely</span></h3></div></div></div><div><p class="copyright">Copyright © 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>The GNU C++ Library Manual</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><meta name="keywords" content="ISO C++, runtime, library" /><link rel="home" href="../index.html" title="The GNU C++ Library" /><link rel="up" href="../index.html" title="The GNU C++ Library" /><link rel="prev" href="../index.html" title="The GNU C++ Library" /><link rel="next" href="intro.html" title="Part I.  Introduction" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">The GNU C++ Library Manual</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="../index.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="intro.html">Next</a></td></tr></table><hr /></div><div class="book"><div class="titlepage"><div><div><h1 class="title"><a id="manual"></a>The GNU C++ Library Manual</h1></div><div><div class="authorgroup"><div class="author"><h3 class="author"><span class="firstname"></span> <span class="surname"></span></h3></div><div class="author"><h3 class="author"><span class="firstname">Paolo</span> <span class="surname">Carlini</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Phil</span> <span class="surname">Edwards</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Doug</span> <span class="surname">Gregor</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Benjamin</span> <span class="surname">Kosnik</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Dhruv</span> <span class="surname">Matani</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Jason</span> <span class="surname">Merrill</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Mark</span> <span class="surname">Mitchell</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Nathan</span> <span class="surname">Myers</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Felix</span> <span class="surname">Natter</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Stefan</span> <span class="surname">Olsson</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Johannes</span> <span class="surname">Singler</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Ami</span> <span class="surname">Tavory</span></h3></div><div class="author"><h3 class="author"><span class="firstname">Jonathan</span> <span class="surname">Wakely</span></h3></div></div></div><div><p class="copyright">Copyright © 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 
       <a class="link" href="https://www.fsf.org" target="_top">FSF</a>
     </p></div></div><hr /></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="part"><a href="intro.html">I. 
   Introduction
diff --git a/libstdc++-v3/doc/html/manual/source_code_style.html b/libstdc++-v3/doc/html/manual/source_code_style.html
index dd56d17..680e9e7 100644
--- a/libstdc++-v3/doc/html/manual/source_code_style.html
+++ b/libstdc++-v3/doc/html/manual/source_code_style.html
@@ -48,6 +48,9 @@
       _res_ext<br />
       __tg_*<br />
 <br />
+      VxWorks adds:<br />
+      _C2<br />
+<br />
       For GCC:<br />
 <br />
       [Note that this list is out of date. It applies to the old<br />
diff --git a/libstdc++-v3/doc/html/manual/status.html b/libstdc++-v3/doc/html/manual/status.html
index 39e06d3..2fbd10b 100644
--- a/libstdc++-v3/doc/html/manual/status.html
+++ b/libstdc++-v3/doc/html/manual/status.html
@@ -5,7 +5,7 @@
 </th><td width="20%" align="right"> <a accesskey="n" href="license.html">Next</a></td></tr></table><hr /></div><div class="chapter"><div class="titlepage"><div><div><h2 class="title"><a id="manual.intro.status"></a>Chapter 1. Status</h2></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="section"><a href="status.html#manual.intro.status.iso">Implementation Status</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#status.iso.1998">C++ 1998/2003</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.1998.status">Implementation Status</a></span></dt><dt><span class="section"><a href="status.html#iso.1998.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.2011">C++ 2011</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.2011.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.2014">C++ 2014</a></span></dt><dt><span class="section"><a href="status.html#status.iso.2017">C++ 2017</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.2017.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.2020">C++ 202a</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.2020.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.tr1">C++ TR1</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.tr1.specific">Implementation Specific Behavior</a></span></dt></dl></dd><dt><span class="section"><a href="status.html#status.iso.tr24733">C++ TR 24733</a></span></dt><dt><span class="section"><a href="status.html#status.iso.specfun">C++ IS 29124</a></span></dt><dd><dl><dt><span class="section"><a href="status.html#iso.specfun.specific">Implementation Specific Behavior</a></span></dt></dl></dd></dl></dd><dt><span class="section"><a href="license.html">License</a></span></dt><dd><dl><dt><span class="section"><a href="license.html#manual.intro.status.license.gpl">The Code: GPL</a></span></dt><dt><span class="section"><a href="license.html#manual.intro.status.license.fdl">The Documentation: GPL, FDL</a></span></dt></dl></dd><dt><span class="section"><a href="bugs.html">Bugs</a></span></dt><dd><dl><dt><span class="section"><a href="bugs.html#manual.intro.status.bugs.impl">Implementation Bugs</a></span></dt><dt><span class="section"><a href="bugs.html#manual.intro.status.bugs.iso">Standard Bugs</a></span></dt></dl></dd></dl></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.intro.status.iso"></a>Implementation Status</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="status.iso.1998"></a>C++ 1998/2003</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="iso.1998.status"></a>Implementation Status</h4></div></div></div><p>
 This status table is based on the table of contents of ISO/IEC 14882:2003.
 </p><p>
-This page describes the C++ support in mainline GCC SVN, not in any
+This page describes the C++ support in mainline GCC, not in any
 particular release.
 </p><div class="table"><a id="table.cxx98_status"></a><p class="title"><strong>Table 1.1. C++ 1998/2003 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ 1998/2003 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
 	<span class="emphasis"><em>18</em></span>
@@ -155,7 +155,7 @@ options. The pre-defined symbol
 <code class="constant">__cplusplus</code> is used to check for the
 presence of the required flag.
 </p><p>
-This page describes the C++11 support in mainline GCC SVN, not in any
+This page describes the C++11 support in mainline GCC, not in any
 particular release.
 </p><div class="table"><a id="table.cxx11_status"></a><p class="title"><strong>Table 1.2. C++ 2011 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ 2011 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
 	<span class="emphasis"><em>18</em></span>
@@ -407,7 +407,7 @@ options. The pre-defined symbol
 <code class="constant">__cplusplus</code> is used to check for the
 presence of the required flag.
 </p><p>
-This page describes the C++14 and library TS support in mainline GCC SVN,
+This page describes the C++14 and library TS support in mainline GCC,
 not in any particular release.
 </p><div class="table"><a id="table.cxx14_status"></a><p class="title"><strong>Table 1.3. C++ 2014 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ 2014 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Paper</th><th align="left">Title</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
 	<a class="link" href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3669.pdf" target="_top">
@@ -542,7 +542,7 @@ options. The pre-defined symbol
 <code class="constant">__cplusplus</code> is used to check for the
 presence of the required flag.
 </p><p>
-This section describes the C++17 and library TS support in mainline GCC SVN,
+This section describes the C++17 and library TS support in mainline GCC,
 not in any particular release.
 </p><p>
 The following table lists new library features that are included in
@@ -1034,7 +1034,7 @@ options. The pre-defined symbol
 <code class="constant">__cplusplus</code> is used to check for the
 presence of the required flag.
 </p><p>
-This section describes the C++20 and library TS support in mainline GCC SVN,
+This section describes the C++20 and library TS support in mainline GCC,
 not in any particular release.
 </p><p>
 The following table lists new library features that have been accepted into
@@ -1523,7 +1523,7 @@ In this implementation the header names are prefixed by
 <code class="code">tr1/</code>, for instance <code class="code">&lt;tr1/functional&gt;</code>,
 <code class="code">&lt;tr1/memory&gt;</code>, and so on.
 </p><p>
-This page describes the TR1 support in mainline GCC SVN, not in any particular
+This page describes the TR1 support in mainline GCC, not in any particular
 release.
 </p><div class="table"><a id="table.tr1_status"></a><p class="title"><strong>Table 1.8. C++ TR1 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ TR1 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left"><span class="emphasis"><em>2</em></span></td><td colspan="3" align="left"><span class="emphasis"><em>General Utilities</em></span></td></tr><tr><td align="left">2.1</td><td align="left">Reference wrappers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.1.1</td><td align="left">Additions to header <code class="code">&lt;functional&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2</td><td align="left">Class template <code class="code">reference_wrapper</code></td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.1.2.1</td><td align="left"><code class="code">reference_wrapper</code> construct/copy/destroy</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.2</td><td align="left"><code class="code">reference_wrapper</code> assignment</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.3</td><td align="left"><code class="code">reference_wrapper</code> access</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.4</td><td align="left"><code class="code">reference_wrapper</code> invocation</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.1.2.5</td><td align="left"><code class="code">reference_wrapper</code> helper functions</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2</td><td align="left">Smart pointers</td><td align="left"> </td><td align="left"> </td></tr><tr><td align="left">2.2.1</td><td align="left">Additions to header <code class="code">&lt;memory&gt;</code> synopsis</td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.2</td><td align="left">Class <code class="code">bad_weak_ptr</code></td><td align="left">Y</td><td align="left"> </td></tr><tr><td align="left">2.2.3</td><td align="left">Class template <code class="code">shared_ptr</code></td><td align="left"> </td><td align="left">
 	<p>
@@ -1544,7 +1544,7 @@ ISO/IEC TR 24733 Date: 2009-08-28
 Extension for the programming language C++ to support
 decimal floating-point arithmetic
 </p><p>
-This page describes the TR 24733 support in mainline GCC SVN, not in any
+This page describes the TR 24733 support in mainline GCC, not in any
 particular release.
 </p><div class="table"><a id="table.decfp_status"></a><p class="title"><strong>Table 1.9. C++ TR 24733 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ TR 24733 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left">
 	<span class="emphasis"><em>0</em></span>
diff --git a/libstdc++-v3/doc/html/manual/using_concurrency.html b/libstdc++-v3/doc/html/manual/using_concurrency.html
index 436be0e..1b6ebed 100644
--- a/libstdc++-v3/doc/html/manual/using_concurrency.html
+++ b/libstdc++-v3/doc/html/manual/using_concurrency.html
@@ -158,7 +158,7 @@ gcc version 4.1.2 20070925 (Red Hat 4.1.2-33)
     }
       </pre><p>For further details of the C++11 memory model see Hans-J. Boehm's
       <a class="link" href="https://www.hboehm.info/c++mm/" target="_top">Threads
-      and memory model for C++</a> pages, particularly the <a class="link" href="http://www.hboehm.info/c++mm/threadsintro.html" target="_top">introduction</a> 
+      and memory model for C++</a> pages, particularly the <a class="link" href="https://www.hboehm.info/c++mm/threadsintro.html" target="_top">introduction</a> 
       and <a class="link" href="https://www.hboehm.info/c++mm/user-faq.html" target="_top">FAQ</a>.
       </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="manual.intro.using.concurrency.atomics"></a>Atomics</h3></div></div></div><p>
     </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="manual.intro.using.concurrency.io"></a>IO</h3></div></div></div><p>This gets a bit tricky.  Please read carefully, and bear with me.
diff --git a/libstdc++-v3/doc/xml/faq.xml b/libstdc++-v3/doc/xml/faq.xml
index 21c312d..aff6c8d 100644
--- a/libstdc++-v3/doc/xml/faq.xml
+++ b/libstdc++-v3/doc/xml/faq.xml
@@ -34,8 +34,8 @@
      clauses 20 through 33 and annex D (prior to the 2017 standard
      the library clauses started with 17).  For those who want to see
      exactly how far the project has come, or just want the latest
-     bleeding-edge code, the up-to-date source , and can be cloned via Git: see
-     <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gcc.gnu.org/git.html">web</link>.
+     bleeding-edge code, the up-to-date source can be cloned via
+     <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gcc.gnu.org/git.html">Git</link>.
     </para> 
 
     <para>
@@ -295,15 +295,11 @@
     download sites</link> is provided on the main GCC site.
     </para>
     <para>
-    Current libstdc++ sources can always be checked out of the main
-    GCC source repository using the appropriate version control
-    tool. At this time, that tool
-    is <application>Git</application>.
-    </para>
-    <para>
-    For more information
-    see <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gcc.gnu.org/git.html">
-    details</link>.
+    Current libstdc++ sources can always be found in the main GCC source
+    repository, available using the appropriate version control tool.
+    At this time, that tool is <application>Git</application>.
+    For more details see the documentation on
+    <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gcc.gnu.org/git.html">using the Git repository</link>.
     </para>
   </answer>
 </qandaentry>
diff --git a/libstdc++-v3/doc/xml/manual/appendix_contributing.xml b/libstdc++-v3/doc/xml/manual/appendix_contributing.xml
index d2913b1..79fa0ed 100644
--- a/libstdc++-v3/doc/xml/manual/appendix_contributing.xml
+++ b/libstdc++-v3/doc/xml/manual/appendix_contributing.xml
@@ -170,9 +170,10 @@
 
       <listitem>
 	<para>
-	  The patch itself. If you are accessing the Git
-	  repository use <command>git pull; git diff &gt;NEW</command>;
-	  else, use <command>diff -cp OLD NEW</command> ... If your
+	  The patch itself. If you are using the Git repository use
+	  <command>git diff</command> or <command>git format-patch</command>
+	  to produce a patch;
+	  otherwise, use <command>diff -cp OLD NEW</command>. If your
 	  version of diff does not support these options, then get the
 	  latest version of GNU diff.
 	</para>
diff --git a/libstdc++-v3/doc/xml/manual/spine.xml b/libstdc++-v3/doc/xml/manual/spine.xml
index a2cc129..4db3037 100644
--- a/libstdc++-v3/doc/xml/manual/spine.xml
+++ b/libstdc++-v3/doc/xml/manual/spine.xml
@@ -27,6 +27,7 @@
     <year>2017</year>
     <year>2018</year>
     <year>2019</year>
+    <year>2020</year>
     <holder>
       <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://www.fsf.org">FSF</link>
     </holder>