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authorKarl Berry <karl@freefriends.org>2022-01-13 21:03:32 +0000
committerKarl Berry <karl@freefriends.org>2022-01-13 21:03:32 +0000
commitd34f367554fea0310b29e2b530b4b1939e21b92b (patch)
treeb28bdb673ef48a05fc7db55ebbf78dd57e804de3 /Master/texmf-dist/doc/latex-dev
parent9ab74bc42f4dec6bc77857a29d4a2d9969c76f8a (diff)
latex-dev (13jan22)
git-svn-id: svn://tug.org/texlive/trunk@61598 c570f23f-e606-0410-a88d-b1316a301751
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201 files changed, 1630 insertions, 1451 deletions
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/README.md b/Master/texmf-dist/doc/latex-dev/amsmath/README.md
index 337c5bc555b..76f27a1df68 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/README.md
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/README.md
@@ -1,7 +1,7 @@
The amsmath bundle for LaTeX
============================
-Release 2022-06-01 pre-release 0
+Release 2022-06-01 pre-release 1
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) 2016-2021 The LaTeX Project and American Mathematical Society. <br />
+<p>Copyright (C) 2016-2022 The LaTeX Project and American Mathematical Society. <br />
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsbsy.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amsbsy.pdf
index 15893dbf5b3..4c039491e2d 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsbsy.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amsbsy.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amscd.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amscd.pdf
index 286211727db..806f589986d 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amscd.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amscd.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsgen.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amsgen.pdf
index bcec4ae3e8f..b6bb1a8e96a 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsgen.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.pdf
index d410175f22b..a5bf7a8e786 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.tex b/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.tex
index 97294772e7a..4a8230e39f9 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.tex
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amsldoc.tex
@@ -1,6 +1,6 @@
%
% Copyright (C) 1995, 2000, 2013 American Mathematical Society.
-% Copyright (C) 2016-2021 LaTeX Project and American Mathematical Society.
+% Copyright (C) 2016-2022 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
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsmath.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amsmath.pdf
index 9f4b92f3c73..7bafbfe1e74 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsmath.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amsmath.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsopn.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amsopn.pdf
index d3e98d9dd0b..d9f5ea9c8ff 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsopn.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amsopn.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amstext.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amstext.pdf
index df13a4ba0e0..fc502fd959e 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amstext.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amstext.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/amsxtra.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/amsxtra.pdf
index ebf10e4745c..051f596d4f5 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/amsxtra.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/amsxtra.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/changes.txt b/Master/texmf-dist/doc/latex-dev/amsmath/changes.txt
index 3f3c36bf79d..e61d8724ded 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/changes.txt
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/changes.txt
@@ -1,3 +1,7 @@
+2021-11-18 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * All *.dtx: Replaced \StopEventually by \MaybeStop
+
================================================================================
All changes above are only part of the development branch for the next release.
================================================================================
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/subeqn.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/subeqn.pdf
index 9658b1627e3..af000da7d09 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/subeqn.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/subeqn.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/technote.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/technote.pdf
index a0bb8c424a2..f5604758fbd 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/technote.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/technote.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/amsmath/testmath.pdf b/Master/texmf-dist/doc/latex-dev/amsmath/testmath.pdf
index 463dd648625..3cf0d8fd29b 100644
--- a/Master/texmf-dist/doc/latex-dev/amsmath/testmath.pdf
+++ b/Master/texmf-dist/doc/latex-dev/amsmath/testmath.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/README.md b/Master/texmf-dist/doc/latex-dev/base/README.md
index b0c8521876f..2d6ce4804c9 100644
--- a/Master/texmf-dist/doc/latex-dev/base/README.md
+++ b/Master/texmf-dist/doc/latex-dev/base/README.md
@@ -1,7 +1,7 @@
The LaTeX kernel
================
-Release 2022-06-01 pre-release 0
+Release 2022-06-01 pre-release 1
Overview
--------
@@ -10,10 +10,15 @@ This bundle provides the core LaTeX kernel. In addition to this bundle,
a minimal LaTeX system also needs the files contained in the
- LaTeX team documentation (`doc`)
+- L3 programming layer (`l3kernel`)
+- L3 backend interfaces (`l3backend`)
+- L3 unicode support (`unicode-data`)
+
- Packages which must be available (`required`). These are
- Essential tools (`tools`)
- Core graphics and color support (`graphics`)
- Key mathematics support (`amsmath`)
+ - First aid for external packages (`firstaid`)
This file contains a small set of pointers to other more complete
documentation on installing and using a LaTeX system.
@@ -36,10 +41,6 @@ the most significant of these files are
with one line of information about the contents
- `legal.txt` and `lppl.txt` (LaTeX Project Public License) describe the
LaTeX copyright, warranty and copying restrictions.
-- `texpert.txt` contains information about the system that may still be
- useful for TeX experts
-- `tex2.txt` contains important information for users of extremely
- old versions of TeX (pre 1990)
- `bugs.txt` describes how to submit a bug report for LaTeX
Other documentation files include files with names of the form:
diff --git a/Master/texmf-dist/doc/latex-dev/base/alltt.pdf b/Master/texmf-dist/doc/latex-dev/base/alltt.pdf
index 3b72ef7c0e5..d6cdbc0fc7e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/alltt.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/alltt.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/cfgguide.pdf b/Master/texmf-dist/doc/latex-dev/base/cfgguide.pdf
index 92169f5af59..fae9a8bdf1a 100644
--- a/Master/texmf-dist/doc/latex-dev/base/cfgguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/cfgguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/cfgguide.tex b/Master/texmf-dist/doc/latex-dev/base/cfgguide.tex
index 66c02e4c33e..7694ef9b637 100644
--- a/Master/texmf-dist/doc/latex-dev/base/cfgguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/cfgguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/changes.txt b/Master/texmf-dist/doc/latex-dev/base/changes.txt
index d5d2b555d80..8ae1fd7b598 100644
--- a/Master/texmf-dist/doc/latex-dev/base/changes.txt
+++ b/Master/texmf-dist/doc/latex-dev/base/changes.txt
@@ -5,12 +5,143 @@ It is provided for convenience only. It therefore makes no claims to
completeness or accuracy and it contains some references to files that
are not part of the distribution.
================================================================================
+2021-12-30 Ulrike Fischer <Ulrike.Fischer@latex-project.org>
+
+ * ltmeta.dtx:
+ Adapted bundle name to new name `LaTeX-lab'
+
+2022-01-06 Joseph Wright <Joseph.Wright-project.org>
+
+ * ltexpl.dtx (section{Document-level command names for expl3 functions}):
+ Adjust document-level names for \exp_args:Nc and the like
+
+2021-12-31 Phelype Oleinik <phelype.oleinik@latex-project.org>
+
+ * ltcmd.dtx (subsubsection{Showing the definition of a command}):
+ Make \ShowCommand stop for interaction with ltcmd (gh/739)
+
+2021-12-28 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * ltexpl.dtx (section{Document-level command names for expl3 functions}):
+ Added document-level names for \exp_args:Nc and the like
+ for use with \NewDocumentCommand, etc. (gh/735)
+
+2021-12-27 Marcel Krüger <Marcel.Krueger@latex-project.org>
+
+ * ltluatex.dtx:
+ Added \newluacmd and \newprotectedluacmd for easy allocation of Lua command ids.
+
+2021-12-13 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * ltmeta.dtx:
+ First version of this module added implementing an interface to
+ \DocumentMetadata. At the moment the actual code is outside the
+ format and only loaded if the command is called.
+
+2021-12-13 David Carlisle <David.Carlisle@latex-project.org>
+
+ * utf8ienc.dtx: Use hex 80 not A0 to test for single byte UTF-8 github/730
+
+2021-12-12 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * ltoutenc.dtx (subsection{Definitions for the TU encoding}):
+ \DeclareUnicodeAccent now makes the encoding argument implicit
+ as it is already done for other Unicode encoding commands.
+ Also added \DeclareUnicodeCommand and \DeclareUnicodeSymbol (gh/253).
+
+2021-12-12 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * doc.dtx (subsection[Dealing with the change history]):
+ Implement option recordchangedates to show dates in the change log
+ if that option is used (gh/531).
+
+2021-12-11 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * ltdirchk.dtx (section{Initialization}):
+ Add comment lines into latex.ltx to indicate temp definitions that
+ are later overwritten (gh/725).
+
+2021-12-10 David Carlisle <David.Carlisle@latex-project.org>
+
+ * utf8ienc.dtx: Add inputenc UTF-8 support for for Digraphs U_01C4-U+01CC
+
+2021-12-09 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * proc.dtx (subsection{The page style}):
+ Support twoside by providing an appropriate footer line (gh/704).
+
+2021-12-08 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * lttextcomp.dtx (section{Sub-encodings}):
+ Describe correctly (I hope) how sub-encodings work for TS1.
+
+2021-11-30 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * ltexpl.dtx:
+ Added \fpeval, \inteval, \dimeval, and \skipeval (gh711)
+
+2021-11-18 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * All *.dtx: Replaced \StopEventually by \MaybeStop
+
+2021-11-30 Joseph Wright <joseph.wright@latex-project.org>
+
+ * ltclasses.dtx
+ New option handling routine using ltkeys
+
+2021-11-26 Joseph Wright <joseph.wright@latex-project.org>
+
+ * ltkeys.dtx
+ New file to integrate keyval option processing into the kernel
+
+2021-11-17 Marcel Krüger <Marcel.Krueger@latex-project.org>
+
+ * ltluatex.dtx:
+ Classify [hv]pack_quality callbacks as exclusive
+ Never pass true to the engine for LuaTeX list callbacks
+
+2021-11-15 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * build.lua (textfiles):
+ Dropped a few obsolete documentation files (nobody installs manually these
+ days and the advice given was no longer current).
+
+ * latexchanges.tex:
+ We no longer maintain this file; instead everything is documented in ltnewsXX
+ and in the changes.txt files so we zap this file too because the double book
+ keeping always means one or the other is out of date.
+
+2021-11-14 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * doc.dtx: Replaced doc.dtx with V3 version.
+ The old doc can be reactivated with \usepackage{doc}[=v2].
+ Hyperref usage (on by default) can be turned off with
+ \usepackage[hyperref=false]{doc}.
+ New options etc are documented: use texdoc doc
+ (code documentation only partly done).
+
+2021-11-12 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * ltxdoc.dtx (section{Configuration file}):
+ Added our default .cfg for extraction.
+ Added option "nocfg" to bypass a system cfg.
+
================================================================================
All changes above are only part of the development branch for the next release.
================================================================================
#########################
+# 2021-11-15 PL1 Release
+#########################
+
+2021-12-02 Joseph Wright <Joseph.Wright@latex-project.org>
+
+ * ltcmd.dtx
+ Insert correct default values for optional arguments into the end
+ of environments
+
+#########################
# 2021-11-15 Release
#########################
@@ -150,7 +281,7 @@ All changes above are only part of the development branch for the next release.
* ltluatex.dtx:
Define missing local copy of flush_list in ltluatex.lua found
by Michal Vlasák.
-
+
2021-08-10 Phelype Oleinik <phelype.oleinik@latex-project.org>
* ltvers.dtx (section{Version Identification}):
diff --git a/Master/texmf-dist/doc/latex-dev/base/classes.pdf b/Master/texmf-dist/doc/latex-dev/base/classes.pdf
index 3bd8c80577d..e4e848f690f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/classes.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/classes.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/clsguide.pdf b/Master/texmf-dist/doc/latex-dev/base/clsguide.pdf
index c3e212d10ac..b6d49013637 100644
--- a/Master/texmf-dist/doc/latex-dev/base/clsguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/clsguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/clsguide.tex b/Master/texmf-dist/doc/latex-dev/base/clsguide.tex
index 3667210e5f3..6f4d1cf027d 100644
--- a/Master/texmf-dist/doc/latex-dev/base/clsguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/clsguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/cmfonts.pdf b/Master/texmf-dist/doc/latex-dev/base/cmfonts.pdf
index 90b38f43fd4..f147e56c717 100644
--- a/Master/texmf-dist/doc/latex-dev/base/cmfonts.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/cmfonts.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/cyrguide.pdf b/Master/texmf-dist/doc/latex-dev/base/cyrguide.pdf
index b3f7d2016bc..7483d4a07f9 100644
--- a/Master/texmf-dist/doc/latex-dev/base/cyrguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/cyrguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/cyrguide.tex b/Master/texmf-dist/doc/latex-dev/base/cyrguide.tex
index 07d4bc0b3fb..3b16687f39e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/cyrguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/cyrguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/doc-code.pdf b/Master/texmf-dist/doc/latex-dev/base/doc-code.pdf
new file mode 100644
index 00000000000..a27820aee9b
--- /dev/null
+++ b/Master/texmf-dist/doc/latex-dev/base/doc-code.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/doc-code.tex b/Master/texmf-dist/doc/latex-dev/base/doc-code.tex
new file mode 100644
index 00000000000..6457d22e032
--- /dev/null
+++ b/Master/texmf-dist/doc/latex-dev/base/doc-code.tex
@@ -0,0 +1,4 @@
+% this will typeset documentation + code
+
+\AtBeginDocument{\AlsoImplementation}
+\input{doc.dtx}
diff --git a/Master/texmf-dist/doc/latex-dev/base/doc.pdf b/Master/texmf-dist/doc/latex-dev/base/doc.pdf
index f511483c87b..8c2a4a18c63 100644
--- a/Master/texmf-dist/doc/latex-dev/base/doc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/doc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/docstrip.pdf b/Master/texmf-dist/doc/latex-dev/base/docstrip.pdf
index 39378c977fb..bcfa8a34c76 100644
--- a/Master/texmf-dist/doc/latex-dev/base/docstrip.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/docstrip.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/encguide.pdf b/Master/texmf-dist/doc/latex-dev/base/encguide.pdf
index e55805f1e95..5d16c1d5d91 100644
--- a/Master/texmf-dist/doc/latex-dev/base/encguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/encguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/encguide.tex b/Master/texmf-dist/doc/latex-dev/base/encguide.tex
index d70233eab4a..3c95cf30cce 100644
--- a/Master/texmf-dist/doc/latex-dev/base/encguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/encguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/exscale.pdf b/Master/texmf-dist/doc/latex-dev/base/exscale.pdf
index 4c60fd71d6e..e3301650657 100644
--- a/Master/texmf-dist/doc/latex-dev/base/exscale.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/exscale.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/fix-cm.pdf b/Master/texmf-dist/doc/latex-dev/base/fix-cm.pdf
index 423e1756aa3..3d02f337359 100644
--- a/Master/texmf-dist/doc/latex-dev/base/fix-cm.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/fix-cm.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/fntguide.pdf b/Master/texmf-dist/doc/latex-dev/base/fntguide.pdf
index a0b79a1b93b..2907d5441be 100644
--- a/Master/texmf-dist/doc/latex-dev/base/fntguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/fntguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/fntguide.tex b/Master/texmf-dist/doc/latex-dev/base/fntguide.tex
index a4b872a261d..62d35383042 100644
--- a/Master/texmf-dist/doc/latex-dev/base/fntguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/fntguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
%
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
@@ -12,7 +12,7 @@
% conditions of the LaTeX Project Public License, either version 1.3c
% of this license or (at your option) any later version.
% The latest version of this license is in
-% http://www.latex-project.org/lppl.txt
+% https://www.latex-project.org/lppl.txt
% and version 1.3c or later is part of all distributions of LaTeX
% version 2008 or later.
%
@@ -33,16 +33,21 @@
\documentclass{ltxguide}[1995/11/28]
-\usepackage{varioref}
+
+\setcounter{totalnumber}{8}
+\setcounter{topnumber}{8}
+
+\usepackage[trace]{fewerfloatpages}
+\usepackage{booktabs,varioref}
\title{\LaTeXe{} font selection}
\author{\copyright~Copyright 1995--2021, \LaTeX\ Project
Team.\thanks{Thanks to Arash Esbati for documenting the
newer NFSS features of 2020}\\
- All rights reserved.}
+ All rights reserved.}
-\date{March 2021}
+\date{December 2021}
\begin{document}
@@ -160,7 +165,7 @@ For more information about \TeX{} and \LaTeX{}, please contact your
local \TeX{} Users Group, or the international \TeX{} Users Group.
Addresses and other details can be found at:
\begin{quote}\small\label{addrs}
- \texttt{http://www.tug.org/lugs.html}
+ \texttt{https://www.tug.org/lugs.html}
\end{quote}
@@ -288,6 +293,9 @@ naming scheme to allow for sensible default substitutions if necessary,
e.g., ``demi-bold'' is normally just another name for ``semi-bold'', so
should get |sb| assigned, etc.
+
+\newpage
+
\NEWdescription{2020/02/02}
The most common values for the font shape are:
\begin{center}
@@ -343,27 +351,29 @@ box warning, for example:
Overfull \hbox (3.80855pt too wide) in paragraph at lines 314--318
[]\OT1/cmr/m/n/10 Normally [] and [] will be iden-ti-cal,
\end{verbatim}
-The author commands for fonts set the five attributes:
-\begin{center}
- \hspace*{-1em}%
- \begin{tabular}{rcl}
- \emph{Author command} & \emph{Attribute}
+The author commands for fonts set the five attributes as shown in table~\vref{tab:attributes}.
+\begin{table}[!tbp]
+ \centering
+ \begin{tabular}{@{}r@{\hspace{3pt}}c@{\hspace{1pt}}c@{}}
+ \toprule
+ \multicolumn{1}{c}{\emph{Author command}} & \emph{Attribute}
& \emph{Value in} |article| \emph{class} \\
+ \midrule
|\textnormal{..}| or |\normalfont| & family & |cmr| \\
& series & |m| \\
- & shape & |n| \\[1pt]
+ & shape & |n| \\ \midrule%[2pt]
|\textrm{..}| or |\rmfamily| & family & |cmr| \\
|\textsf{..}| or |\sffamily| & family & |cmss| \\
|\texttt{..}| or |\ttfamily| & family & |cmtt| \\
|\textmd{..}| or |\mdseries| & series & |m| \\
- |\textbf{..}| or |\bfseries| & series & |bx| \\[1pt]
+ |\textbf{..}| or |\bfseries| & series & |bx| \\ \midrule%[2pt]
|\textit{..}| or |\itshape| & shape & |it| \\
|\textsl{..}| or |\slshape| & shape & |sl| \\
|\textsc{..}| or |\scshape| & shape & |sc| \\
|\textssc{..}| or |\sscshape| & shape & |ssc| \\
|\textsw{..}| or |\swshape| & shape & |sw| \\
- |\textulc{..}| or |\ulcshape| & shape & |ulc| (virtual) $\to$ |n|, |it|, |sl| or |ssc| \\
- |\textup{..}| or |\upshape| & shape & |up| (virtual) $\to$ |n| or |sc| \\[1pt]
+ |\textulc{..}| or |\ulcshape| & shape & |ulc| (virtual) $\to$ |n|, |it|, |sl| or |ssc| \\
+ |\textup{..}| or |\upshape| & shape & | up| (virtual) $\to$ |n| or |sc |\phantom{, , } \\\midrule%[2pt]
|\tiny| & size & |5pt| \\
|\scriptsize| & size & |7pt| \\
|\footnotesize| & size & |8pt| \\
@@ -373,9 +383,11 @@ The author commands for fonts set the five attributes:
|\Large| & size & |14.4pt| \\
|\LARGE| & size & |17.28pt| \\
|\huge| & size & |20.74pt| \\
- |\Huge| & size & |24.88pt|
+ |\Huge| & size & |24.88pt| \\
+ \bottomrule
\end{tabular}
-\end{center}
+ \caption{Author font commands and their effects (article class)}\label{tab:attributes}
+\end{table}
The values used by these commands are determined by the document class,
using the parameters defined in Section~\ref{Sec:text.param}.
@@ -386,16 +398,20 @@ This section does not explain how \LaTeX{} font specifications are
turned into \TeX{} font names. This is described in
Section~\ref{Sec:install}.
+
+\newpage
+
+
\subsection{Selection commands}
The low-level commands used to select a text font are as follows.
\begin{decl}
|\fontencoding| \arg{encoding} \\
- |\fontfamily| \arg{family} \\
- |\fontseries| \arg{series} \\
+ |\fontfamily| \arg{family} \qquad
+ |\fontseries| \arg{series} \qquad
|\fontshape| \arg{shape} \\
- |\fontsize| \arg{size} \arg{baselineskip} \\
+ |\fontsize| \arg{size} \arg{baselineskip} \qquad
|\linespread| \arg{factor}
\end{decl}
@@ -439,14 +455,14 @@ to |\selectfont|.
The current values of the font attributes are held in internal macros.
\begin{decl}
- |\f@encoding| \\
- |\f@family| \\
- |\f@series| \\
- |\f@shape| \\
- |\f@size| \\
+ |\f@encoding| \quad
+ |\f@family| \quad
+ |\f@series| \quad
+ |\f@shape| \quad
+ |\f@size| \quad
|\f@baselineskip| \\
- |\tf@size| \\
- |\sf@size| \\
+ |\tf@size| \quad
+ |\sf@size| \quad
|\ssf@size|
\end{decl}
@@ -482,9 +498,9 @@ specifies:
\end{verbatim}
\begin{decl}
- |\encodingdefault| \\
- |\familydefault| \\
- |\seriesdefault| \\
+ |\encodingdefault| \qquad
+ |\familydefault| \qquad
+ |\seriesdefault| \qquad
|\shapedefault|
\end{decl}
The encoding, family, series and shape of the main body font. By
@@ -493,8 +509,8 @@ default family is |\rmdefault|, this means that changing |\rmdefault|
will change the main body font of the document.
\begin{decl}
- |\rmdefault| \\
- |\sfdefault| \\
+ |\rmdefault| \qquad
+ |\sfdefault| \qquad
|\ttdefault|
\end{decl}
The families selected by |\textrm|, |\rmfamily|, |\textsf|, |\sffamily|,
@@ -502,7 +518,7 @@ The families selected by |\textrm|, |\rmfamily|, |\textsf|, |\sffamily|,
|cmtt|.
\begin{decl}
- |\bfdefault| \\
+ |\bfdefault| \qquad
|\mddefault|
\end{decl}
The series selected by |\textbf|, |\bfseries|, |\textmd| and
@@ -516,12 +532,12 @@ the fonts provided by |psnfss|) is to define silent substitutions from
and the |ssub| size function, see Section~\ref{sec:sizefunct}.
\begin{decl}
- |\itdefault| \\
- |\sldefault| \\
- |\scdefault| \\
- |\sscdefault| \\
+ |\itdefault| \qquad
+ |\sldefault| \qquad
+ |\scdefault| \qquad
+ |\sscdefault| \qquad
|\swdefault| \\
- |\ulcdefault| \\
+ |\ulcdefault| \qquad
|\updefault|
\end{decl}
\NEWfeature{2020/02/02}
@@ -611,6 +627,8 @@ This declaration is useful for setting up commands like |\rm| to behave
as they did in \LaTeX~2.09. We strongly urge you \emph{not} to misuse
this declaration to invent new font commands.
+\newpage
+
The following example defines |\it| to produce the italic shape of the
main document font if used in text and to switch to the font that would
normally be produced by the math alphabet |\mathit| if used in a
@@ -714,13 +732,13 @@ selected indirectly through symbol commands like |\oplus|.
Section~\ref{Sec:math.commands} explains how to define symbol commands.
\begin{decl}
- |\mathnormal{<math>}| \\
- |\mathcal{<math>}| \\
- |\mathrm{<math>}| \\
- |\mathbf{<math>}| \\
- |\mathsf{<math>}| \\
+ |\mathnormal{<math>}| \quad
+ |\mathcal{<math>}| \quad
+ |\mathbf{<math>}| \quad
|\mathit{<math>}| \\
- |\mathtt{<math>}|
+ |\mathrm{<math>}| \qquad
+ |\mathsf{<math>}| \qquad
+ |\mathtt{<math>}|
\end{decl}
Each math alphabet is a command which can only be used inside math mode.
For example, |$x + \mathsf{y} + \mathcal{Z}$| produces
@@ -799,6 +817,8 @@ Checks that \m{math-alph} has been declared as a math alphabet,
\m{version} is a known math version and \m{encoding} is a known encoding
scheme.
+\newpage
+
This example defines |\baz| for the `normal' math version only:
\begin{verbatim}
\SetMathAlphabet{\baz}{normal}{OT1}{cmss}{m}{n}
@@ -868,6 +888,8 @@ alphabet with command \m{math-alph} in \emph{all} math versions.
Checks that the command \m{math-alph} is either already a math alphabet
command or is undefined; and that \m{sym-font} is a symbol font.
+\newpage
+
Example:
\begin{verbatim}
\DeclareSymbolFontAlphabet{\mathrm}{operators}
@@ -928,6 +950,8 @@ Example:
\DeclareMathSymbol{\alphld}{\mathalpha}{AMSb}{"0C}
\end{verbatim}
+\newpage
+
\begin{decl}
|\DeclareMathDelimiter| \arg{cmd} \arg{type}
\arg{sym-font-1} \arg{slot-1}\\
@@ -1021,6 +1045,7 @@ Example:
This section explains how \LaTeX's font attributes are turned into
\TeX{} font specifications.
+
\subsection{Font definition files}
\NEWdescription{1997/12/01}
@@ -1043,6 +1068,8 @@ and font substitutions are made.
The declarations in the font definition file are responsible for telling
\LaTeX{} how to load fonts for that encoding/family combination.
+
+
\subsection{Font definition file commands}
\emph{Note}: A font definition file should contain only commands from
@@ -1056,7 +1083,11 @@ of a document.
|\ProvidesFile{<file-name>}[<release-info>]|
\end{decl}
The file should announce itself with a |\ProvidesFile| command, as
-described in \emph{\clsguide}. For example:
+described in \emph{\clsguide}.
+
+\newpage
+
+For example:
\begin{verbatim}
\ProvidesFile{t1ptm.fd}[1994/06/01 Adobe Times font definitions]
\end{verbatim}
@@ -2017,12 +2048,17 @@ glyphs from the math fonts instead of the current text font (this means
they always keep the same shape and do not nicely blend in with the text
font).
+\newpage
+
The following tables show the macros available. The next commands are
`constructed' accents and are built via \TeX{} macros:
\begin{center}
\begin{tabular}[t]{@{}ll}
\verb*|\capitalcedilla A| & \capitalcedilla A \\
\verb*|\capitalogonek A| & \capitalogonek A \\
+ \end{tabular}
+ \quad
+ \begin{tabular}[t]{@{}ll}
\verb*|\textcircled a| & \textcircled a
\end{tabular}
\end{center}
@@ -2052,12 +2088,21 @@ show the slot number:
\end{tabular}
\end{center}
-Table~\vref{tab:textcomp} contains macros to access text symbols. Again,
+Table~\vref{tab:textcomp}
+contains the full list of commands to access the text symbols.
+%
+% Tables~\vrefrange{tab:ts1-subset-always}{tab:ts1-subset-9-disable}
+% contain the commands to access the text symbols.
+%
+Again,
the numbers are the slots in the encoding.
-\begin{table}
-\centering\footnotesize
+\iftrue
+\begin{table}[!tp]
+ \centering\footnotesize
+ \renewcommand\arraystretch{1.07}
\begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
\verb|\textcapitalcompwordmark| & \textcapitalcompwordmark & 23 \\
\verb|\textascendercompwordmark| & \textascendercompwordmark & 31 \\
\verb|\textquotestraightbase| & \textquotestraightbase & 13 \\
@@ -2112,9 +2157,11 @@ the numbers are the slots in the encoding.
\verb|\textbullet| & \textbullet & 136 \\
\verb|\textcelsius| & \textcelsius & 137 \\
\verb|\textdollaroldstyle| & \textdollaroldstyle & 138 \\
- \verb|\textcentoldstyle| & \textcentoldstyle & 139
+ \verb|\textcentoldstyle| & \textcentoldstyle & 139 \\
+ \bottomrule
\end{tabular}\qquad
\begin{tabular}[t]{lp{1.5em}l}
+ \toprule
\verb|\textflorin| & \textflorin & 140 \\
\verb|\textcolonmonetary| & \textcolonmonetary & 141 \\
\verb|\textwon| & \textwon & 142 \\
@@ -2168,12 +2215,371 @@ the numbers are the slots in the encoding.
\verb|\textthreequarters| & \textthreequarters & 190 \\
\verb|\texteuro| & \texteuro & 191 \\
\verb|\texttimes| & \texttimes & 214 \\
- \verb|\textdiv| & \textdiv & 246
+ \verb|\textdiv| & \textdiv & 246 \\
+ \null \\
+ \bottomrule
+ \end{tabular}
+ \caption{Text symbols formerly from the \textsf{textcomp} package}
+ \label{tab:textcomp}
+\end{table}
+
+\fi
+
+The |TS1| encoding contains a rich set of symbols which means that
+several symbols are only available in a few \TeX{} fonts and some, such
+as the capital accents, not available at all but developed as part of
+the reference font implementation. In reality, many existing fonts
+don't provide a full set of glyphs defined in |TS1| encoding and the
+question arises: ``Which glyphs of the |TS1| encoding are implemented by
+which font?''
+
+\NEWfeature{2021/06/01}
+Fonts can be ordered in sub-encodings with the |\DeclareEncodingSubset|
+macro:
+\begin{decl}
+ |\DeclareEncodingSubset| \arg{encoding}
+ \arg{font family}
+ \arg{subset number}
+\end{decl}
+The macro takes 3 mandatory arguments: An \m{encoding} for which a
+subsetting is wanted (currently only |TS1|), the \m{font family} for
+which we declare the subset and finally the \m{subset number} between
+|0| (all of the encoding is supported) and |9| (many glyphs are
+missing). Hence, it is assumed that some symbols are always available
+by all fonts and each sub-encoding defines macros which become
+unavailable (i.e., they are not provided in the sub-encoding with that
+number and all sub-encodings with higher numbers.)
+
+\begin{table}[tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textquotestraightbase| & \textquotestraightbase & 13 \\
+ \verb|\textquotestraightdblbase| & \textquotestraightdblbase & 18 \\
+ \verb|\textcapitalcompwordmark| & \textcapitalcompwordmark & 23 \\
+ \verb|\textascendercompwordmark| & \textascendercompwordmark & 31 \\
+ \verb|\textdollar| & \textdollar & 36 \\
+ \verb|\textquotesingle| & \textquotesingle & 39 \\
+ \verb|\textasteriskcentered| & \textasteriskcentered & 42 \\
+ \verb|\textdagger| & \textdagger & 132 \\
+ \verb|\textdaggerdbl| & \textdaggerdbl & 133 \\
+ \verb|\textperthousand| & \textperthousand & 135 \\
+ \verb|\textbullet| & \textbullet & 136 \\
+ \verb|\texttrademark| & \texttrademark & 151 \\
+ \verb|\textcent| & \textcent & 162 \\
+ \verb|\textsterling| & \textsterling & 163 \\
+ \verb|\textyen| & \textyen & 165 \\
+ \verb|\textbrokenbar| & \textbrokenbar & 166 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textsection| & \textsection & 167 \\
+ \verb|\textcopyright| & \textcopyright & 169 \\
+ \verb|\textordfeminine| & \textordfeminine & 170 \\
+ \verb|\textlnot| & \textlnot & 172 \\
+ \verb|\textregistered| & \textregistered & 174 \\
+ \verb|\textdegree| & \textdegree & 176 \\
+ \verb|\textpm| & \textpm & 177 \\
+ \verb|\textparagraph| & \textparagraph & 182 \\
+ \verb|\textperiodcentered| & \textperiodcentered & 183 \\
+ \verb|\textordmasculine| & \textordmasculine & 186 \\
+ \verb|\textonequarter| & \textonequarter & 188 \\
+ \verb|\textonehalf| & \textonehalf & 189 \\
+ \verb|\textthreequarters| & \textthreequarters & 190 \\
+ \verb|\texttimes| & \texttimes & 214 \\
+ \verb|\textdiv| & \textdiv & 246 \\
+ \null \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols available in all \texttt{TS1} sub-encodings}
+ \label{tab:ts1-subset-always}
+\end{table}
+
+
+
+\begin{table}[!tbp]
+ \centering
+ \begin{tabular}[t]{@{}lll@{}}
+ \toprule
+ \verb*|\textcircled| & \textcircled{} & acc \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbol unavailable in \texttt{TS1} sub-encoding \texttt{1}
+ and higher}
+ \label{tab:ts1-subset-1-disable}
+\end{table}
+
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\capitalcedilla| & \capitalcedilla{} & acc \\
+ \verb|\capitalogonek| & \capitalogonek{} & acc \\
+ \verb|\capitalgrave| & \capitalgrave{} & 0 \\
+ \verb|\capitalacute| & \capitalacute{} & 1 \\
+ \verb|\capitalcircumflex| & \capitalcircumflex{} & 2 \\
+ \verb|\capitaltilde| & \capitaltilde{} & 3 \\
+ \verb|\capitaldieresis| & \capitaldieresis{} & 4 \\
+ \verb|\capitalhungarumlaut| & \capitalhungarumlaut{} & 5 \\
+ \verb|\capitalring| & \capitalring{} & 6 \\
+ \verb|\capitalcaron| & \capitalcaron{} & 7 \\
+ \verb|\capitalbreve| & \capitalbreve{} & 8 \\
+ \verb|\capitalmacron| & \capitalmacron{} & 9 \\
+ \verb|\capitaldotaccent| & \capitaldotaccent{} & 10 \\
+ \verb|\capitaltie| & \capitaltie{} & 27 \\
+ \verb|\newtie| & \newtie{} & 28 \\
+ \verb|\capitalnewtie{}| & \capitalnewtie{} & 29 \\
+ \verb|\textdblhyphen| & \textdblhyphen & 45 \\
+ \verb|\textzerooldstyle| & \textzerooldstyle & 48 \\
+ \verb|\textoneoldstyle| & \textoneoldstyle & 49 \\
+ \verb|\texttwooldstyle| & \texttwooldstyle & 50 \\
+ \verb|\textthreeoldstyle| & \textthreeoldstyle & 51 \\
+ \verb|\textfouroldstyle| & \textfouroldstyle & 52 \\
+ \verb|\textfiveoldstyle| & \textfiveoldstyle & 53 \\
+ \verb|\textsixoldstyle| & \textsixoldstyle & 54 \\
+ \verb|\textsevenoldstyle| & \textsevenoldstyle & 55 \\
+ \verb|\texteightoldstyle| & \texteightoldstyle & 56 \\
+ \verb|\textnineoldstyle| & \textnineoldstyle & 57 \\
+ \verb|\textmho| & \textmho & 77 \\
+ \verb|\textbigcircle| & \textbigcircle & 79 \\
+ \verb|\textlbrackdbl| & \textlbrackdbl & 91 \\
+ \verb|\textrbrackdbl| & \textrbrackdbl & 93 \\
+ \verb|\textasciigrave| & \textasciigrave & 96 \\
+ \verb|\textborn| & \textborn & 98 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textdivorced| & \textdivorced & 99 \\
+ \verb|\textdied| & \textdied & 100 \\
+ \verb|\textleaf| & \textleaf & 108 \\
+ \verb|\textmarried| & \textmarried & 109 \\
+ \verb|\textmusicalnote| & \textmusicalnote & 110 \\
+ \verb|\texttildelow| & \texttildelow & 126 \\
+ \verb|\textdblhyphenchar| & \textdblhyphenchar & 127 \\
+ \verb|\textasciibreve| & \textasciibreve & 128 \\
+ \verb|\textasciicaron| & \textasciicaron & 129 \\
+ \verb|\textacutedbl| & \textacutedbl & 130 \\
+ \verb|\textgravedbl| & \textgravedbl & 131 \\
+ \verb|\textdollaroldstyle| & \textdollaroldstyle & 138 \\
+ \verb|\textcentoldstyle| & \textcentoldstyle & 139 \\
+ \verb|\textnaira| & \textnaira & 143 \\
+ \verb|\textguarani| & \textguarani & 144 \\
+ \verb|\textpeso| & \textpeso & 145 \\
+ \verb|\textrecipe| & \textrecipe & 147 \\
+ \verb|\textpertenthousand| & \textpertenthousand & 152 \\
+ \verb|\textpilcrow| & \textpilcrow & 153 \\
+ \verb|\textbaht| & \textbaht & 154 \\
+ \verb|\textdiscount| & \textdiscount & 156 \\
+ \verb|\textopenbullet| & \textopenbullet & 158 \\
+ \verb|\textservicemark| & \textservicemark & 159 \\
+ \verb|\textlquill| & \textlquill & 160 \\
+ \verb|\textrquill| & \textrquill & 161 \\
+ \verb|\textasciidieresis| & \textasciidieresis & 168 \\
+ \verb|\textcopyleft| & \textcopyleft & 171 \\
+ \verb|\textcircledP| & \textcircledP & 173 \\
+ \verb|\textasciimacron| & \textasciimacron & 175 \\
+ \verb|\textasciiacute| & \textasciiacute & 180 \\
+ \verb|\textreferencemark| & \textreferencemark & 184 \\
+ \verb|\textsurd| & \textsurd & 187 \\
+ \null \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{2}
+ and higher}
+ \label{tab:ts1-subset-2-disable}
+\end{table}
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|textlangle| & \textlangle & 60 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textrangle| & \textrangle & 62 \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{3}
+ and higher}
+ \label{tab:ts1-subset-3-disable}
+\end{table}
+
+
+Thus, the symbols that are available in sub-encoding $x$ are the symbols
+in table~\ref{tab:ts1-subset-always} (always available) and the symbols
+that only become unavailable in sub-encodings $> x$. The tables
+\vrefrange{tab:ts1-subset-1-disable}{tab:ts1-subset-9-disable} show the symbols that
+become unavailable in the different sub-encodings. Again, the numbers
+are the slots in the |TS1| encoding, |acc| indicates a `constructed'
+accent.
+
+\newpage
+
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textleftarrow| & \textleftarrow & 24 \\
+ \verb|\textrightarrow| & \textrightarrow & 25 \\
+ \verb|\textuparrow| & \textuparrow & 94 \\
+ \verb|\textdownarrow| & \textdownarrow & 95 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textcolonmonetary| & \textcolonmonetary & 141 \\
+ \verb|\textwon| & \textwon & 142 \\
+ \verb|\textlira| & \textlira & 146 \\
+ \verb|\textdong| & \textdong & 150 \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{4}
+ and higher}
+ \label{tab:ts1-subset-4-disable}
+\end{table}
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textnumero| & \textnumero & 155 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textestimated| & \textestimated & 157 \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{5}
+ and higher}
+ \label{tab:ts1-subset-5-disable}
+\end{table}
+
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textflorin| & \textflorin & 140 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textcurrency| & \textcurrency & 164 \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{6}
+ and higher}
+ \label{tab:ts1-subset-6-disable}
+\end{table}
+
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textfractionsolidus| & \textfractionsolidus & 47 \\
+ \verb|\textminus| & \textminus & 61 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textohm| & \textohm & 87 \\
+ \verb|\textmu| & \textmu & 181 \\
+ \bottomrule
\end{tabular}
-\caption{Text symbols formerly from the \textsf{textcomp} package}
-\label{tab:textcomp}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{7}
+ and higher}
+ \label{tab:ts1-subset-7-disable}
\end{table}
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textblank| & \textblank & 32 \\
+ \verb|\textinterrobang| & \textinterrobang & 148 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\textinterrobangdown| & \textinterrobangdown & 149 \\
+ \null \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{8}
+ and higher}
+ \label{tab:ts1-subset-8-disable}
+\end{table}
+
+
+\begin{table}[!tbp]
+ \centering\footnotesize
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\texttwelveudash| & \texttwelveudash & 21 \\
+ \verb|\textthreequartersemdash| & \textthreequartersemdash & 22 \\
+ \verb|\textbardbl| & \textbardbl & 134 \\
+ \verb|\textcelsius| & \textcelsius & 137 \\
+ \bottomrule
+ \end{tabular}\qquad
+ \begin{tabular}[t]{@{}lp{1.5em}l@{}}
+ \toprule
+ \verb|\texttwosuperior| & \texttwosuperior & 178 \\
+ \verb|\textthreesuperior| & \textthreesuperior & 179 \\
+ \verb|\textonesuperior| & \textonesuperior & 185 \\
+ \null \\
+ \bottomrule
+ \end{tabular}
+ \caption{Symbols unavailable in \texttt{TS1} sub-encoding \texttt{9}}
+ \label{tab:ts1-subset-9-disable}
+\end{table}
+
+
+
+As an example,
+%\begin{verbatim}
+ \verb=\DeclareEncodingSubset{TS1}{foo}{5}=
+%\end{verbatim}
+indicates that the font family |foo| contains the always available
+symbols (table~\vref{tab:ts1-subset-always}) and the ones disabled
+in sub-encodings 6--9, i.e.,
+tables~\vrefrange{tab:ts1-subset-6-disable}{tab:ts1-subset-9-disable}.
+
+As these days many font families are set up to end in |-LF| (lining
+figures), |-OsF| (oldstyle figures), etc. the declaration supports a
+shortcut: if the \m{font family} name ends in |-*| then the star gets
+replaced by these common ending, e.g.,
+\begin{verbatim}
+ \DeclareEncodingSubset{TS1}{Alegreya-*}{2}
+\end{verbatim}
+is the same as writing
+\begin{verbatim}
+ \DeclareEncodingSubset{TS1}{Alegreya-LF} {2}
+ \DeclareEncodingSubset{TS1}{Alegreya-OsF} {2}
+ \DeclareEncodingSubset{TS1}{Alegreya-TLF} {2}
+ \DeclareEncodingSubset{TS1}{Alegreya-TOsF}{2}
+\end{verbatim}
+If only some are needed then one can define them individually but in
+many cases all four are wanted, hence the shortcut.
+
+
+
+
\section{If you need to know more \ldots}
\NEWdescription{1996/06/01}
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-% \iffalse meta-comment
-%
-% Copyright (C) 2015-2021
-% The LaTeX Project and any individual authors listed elsewhere
-% in this file.
-%
-% This file is part 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
-% http://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".
-%
-% 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.
-%
-% \fi
-% Filename: latexchanges.tex
-
-\NeedsTeXFormat{LaTeX2e}
-
-\documentclass{ltxguide}
-
-\usepackage[T1]{fontenc}
-
-\usepackage{url}
-
-\title{Changes to the \LaTeXe{} format}
-
-\author{\copyright~Copyright 2015--2021, \LaTeX\ Project Team.\\
- All rights reserved.}
-
-\date{2021-06-08}
-
-% a few commands from doc
-\newcommand\Lpack[1]{\mbox{\textsf{#1}}}
-\newcommand\DescribeMacro[1]{\texttt{\string#1}}
-
-\newcommand\pkg[1]{\texttt{#1}}
-\newcommand\cs[1]{\texttt{\textbackslash #1}}
-
-\makeatletter % -- provide command introduced in new release
- % so this typesets with an old format
-
-\DeclareTextCommandDefault\textcommabelow[1]
- {\hmode@bgroup\ooalign{\null#1\crcr\hidewidth\raise-.31ex
- \hbox{\check@mathfonts\fontsize\ssf@size\z@
- \math@fontsfalse\selectfont,}\hidewidth}\egroup}
-
-\makeatother
-
-
-
-\ifx\href\undefined
- \newcommand\ghissue[1]{github #1}
- \newcommand\gnatsissue[1]{gnats #1}
- \newcommand\ltnewsissue[1]{\LaTeX\ News~#1}
- \newcommand\sxanswer[1]{\url{https://tex.stackexchange.com\slash a\slash #1}}
- \newcommand\sxquestion[1]{\url{https://tex.stackexchange.com\slash q\slash #1}}
-\else
- \newcommand\ghissue[1]{%
- \href{https://github.com/latex3/latex2e/issues/#1}{github #1}}
- \newcommand\gnatsissue[1]{%
- \href{https://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/#1}{gnats #1}}
- \newcommand\ltnewsissue[1]{%
- \href{https://www.latex-project.org/news/latex2e-news/ltnews#1.pdf}{\LaTeX\ News~#1}}
- \newcommand\sxanswer[1]{%
- \url{https://tex.stackexchange.com/a/#1}}
- \newcommand\sxquestion[1]{%
- \url{https://tex.stackexchange.com/q/#1}}
-\fi
-
-
-\setcounter{tocdepth}{1} % don't show subsections
-
-
-\begin{document}
-
-\maketitle
-
-\begin{abstract}
-This document describes changes that were made to the
-\LaTeX\ format since the 2014-05-01 \LaTeX\ releases.
-
-
-As announced in \ltnewsissue{22}, the 2015 \LaTeX{} release adopts a new
-policy. Improvements and bug fixes will be made to the format sources,
-with the \Lpack{latexrelease} package being available to revert
-changes to use definitions from an earlier format.
-
-As a summary of changes for a main release will always be available in
-\LaTeX\ News, detailed changes are not repeated in this document,
-but changes in any patch releases will be listed in more
-detail here.
-
-More detailed change logs are available as
-\texttt{changes.txt} in the base distribution, and full code
- differences may be browsed via the code repository on GitHub
-see for example
-\url{https://github.com/latex3/latex2e/commits/master}.
-\end{abstract}
-
-\tableofcontents
-
-\newpage
-
-%\section{Introduction}
-
-\section{Changes introduced in 2021-06-01 patch~1}
-
-A further refinement to the handling of ``raw'' option lists added
-in the last release, see \ghissue{508}.
-
-Fixes an issue with rollback when \pkg{latexrelease} is loaded by some
-other package (as done for \texttt{platex} (\ghissue{577}).
-
-First aid for \pkg{ulem} and \pkg{varwidth} got added to help them
-along until they get corrected. \pkg{ulem} has a problem with the
-improved definition of \cs{hspace} and \pkg{varwidth} chokes on a
-newly introduced glue item in vertical lists, which is needed for
-paragraph hook handling (\ghissue{583}).
-
-
-\section{Changes introduced in 2021-06-01}
-
-The focus of this release is to provide further important building
-blocks for the future production of reliable tagged PDF output. Many
-other improvements have been made. Please see \ltnewsissue{33} for an
-overview of the new features and the change log in
-\texttt{changes.txt} for a more detailed list of individual changes.
-
-\section{Changes introduced in 2020-10-01 patch~4}
-
-This patch fixed two bugs in the hook management: if debugging for the
-L3 programming layer was turned on it reported inconsistent use of
-local/global variables. This was a spurious warning but nevertheless
-disconcerting (\ghissue{463}). The other bug was more serious, in some
-situations a wrong value of \verb=\CurrentFile= inside of file-related hooks
-could lead to errors (\ghissue{464}).
-
-We also added the documentation file \texttt{usrguide3.pdf} which
-will become the main home for documenting new features of \LaTeX. At
-this point in time it covers the \Lpack{xparse} functionality that has
-been added to the kernel.
-
-\section{Changes introduced in 2020-10-01 patch~3}
-
-This patch fixed some rollback issues that prevented successful
-rollback to other release levels in some cases. It also fixed an issue
-with file hooks involving files with explicit paths (\ghissue{422}).
-
-One important change was to handle hook declarations done in the
-document preamble in a special way, e.g., those done with
-\verb=\AtBeginDocument=. They are now always executed last and are not
-subject to the normal code sorting for hooks, because they are nearly always
-needed to overwrite earlier settings made in packages.
-
-Finally, the NFSS series handling was slightly changed to
-automatically drop surplus ``\texttt{m}''s from series specifications
-when needed (and warn about them when encountered), e.g.,
-``\texttt{mc}'' automatically becomes ``\texttt{c}'' which is the
-official NFSS name for a \emph{medium compact} series (\ghissue{453}).
-This was done to improve the fix in 2020-02-02 PL~5.
-
-\section{Changes introduced in 2020-10-01 patch~2}
-
-This patch fixed the passing of options to packages and classes when
-they are stored in a special place (denoted by \verb=\input@path=)
-instead of their normal location (\ghissue{414}). In that case the
-options got lost.
-
-\section{Changes introduced in 2020-10-01 patch~1}
-
-This patch fixed a file handling issue: to allow for spaces in file
-names quotes were used but this upsets Bib\TeX{} (\ghissue{400}). In
-addition, two rollback issues got corrected.
-
-\section{Changes introduced in 2020-10-01}
-
-Major enhancements in this release include pre-loading of the
-\Lpack{xparse} package for producing document-level commands with more
-complicated argument signatures and the new hook management system for
-\LaTeX{} documented in \texttt{lthooks-doc.pdf},
-\texttt{ltfilehook-doc.pdf} and \texttt{ltshipout-doc.pdf}.
-
-In addition there have been many smaller fixes and enhancements.
-Please see \ltnewsissue{32} for an overview of the new features and
-the change log in \texttt{changes.txt} for a more detailed list of
-individual changes.
-
-\section{Changes introduced in 2020-02-02 patch~5}
-
-The patch~4 dropped a bit too much in certain situations, e.g., it
-changed a series value of \texttt{semibold} (as used by
-\texttt{autoinst}) to \texttt{seibold}, rendering it useless. So we
-now only correct series values if they are a member of the
-following list: \texttt{ulm}, \texttt{elm}, \texttt{lm}, \texttt{slm},
-\texttt{mm}, \texttt{sbm}, \texttt{bm}, \texttt{ebm}, \texttt{ubm},
-\texttt{muc}, \texttt{mec}, \texttt{mc}, \texttt{msc}, \texttt{msx},
-\texttt{mx}, \texttt{mex} or \texttt{mux}. Here we assume that people
-intended to follow the NFSS convention but somehow got it wrong. So we
-drop one ``m'' and also add a warning that the
-\verb=\DeclareFontShape= declaration in question should be updated
-(\ghissue{293}).
-
-
-\section{Changes introduced in 2020-02-02 patch~4}
-
-In some cases the \texttt{filecontents} environment was opening the
-file for writing without quoting it, so that files with spaces failed
-(\ghissue{284}).
-
-Ensure that \verb=\DeclareFontShape= drops surplus ``m'' in situations
-where an \texttt{.fd} incorrectly specifies \texttt{mc} instead of
-\texttt{c}, etc.\ (\ghissue{289}).
-
-\section{Changes introduced in 2020-02-02 patch~3}
-
-Support the following scenario:
-\begin{verbatim}
-\fontfamily{ptm}\selectfont text \textbf{\sffamily bold sans text}
-\end{verbatim}
-The default bold series for \texttt{ptm} is \texttt{b} so
-\verb=\textbf= switches to that. The \verb=\sffamily= then tried to
-find \texttt{OT1/cmss/b/n} which doesn't exist instead of first
-altering the series default to use \texttt{bx} as needed for Computer
-Modern Sans Serif. This has now been corrected (\ghissue{277}).
-
-
-\section{Changes introduced in 2020-02-02 patch~2}
-
-Correct \verb=\capitalacute=, etc.\ so that they work in
-\texttt{tabbing} (\ghissue{271}). Provide \verb=\@defaultfamilyhook= to
-support CJK packages (\ghissue{269}). Provide a list of \texttt{fontenc}
-loads with their options in \verb=\@fontenc@load@list= so that Babel
-can determine the right \verb=\latinencoding= value (\ghissue{273}).
-
-
-\section{Changes introduced in 2020-02-02 patch~1}
-
-Fixed a misspelled command name that caused trouble (\ghissue{264}). Make
-\texttt{textcomp} package issue only info messages about glyph
-substitutions (\ghissue{262}) and warn if it attempts to run in an old format (\ghissue{260}).
-
-\section{Changes introduced in 2020-02-02}
-
-Major enhancements in this release include pre-loading \Lpack{expl3}
-to improve startup times, especially with Lua\TeX\ and Xe\TeX, and
-extra features in the font selection mechanism. Please see
-\ltnewsissue{31} for an overview of the new features and the change
-log in \texttt{changes.txt} for a more detailed list of individual
-changes.
-
-
-\section{Changes introduced in 2019-10-01 patch~3}
-
-Further fixes to the handling of filenames, expand macros (and
-\verb|\jobname| \emph{before} removing \verb|"|, not after.
-
-\section{Changes introduced in 2019-10-01 patch~2}
-
-Further fixes to the handling of filenames, \ghissue{204}: non-ascii
-filenames and filenames with spaces and multiple dots should now work
-in \verb|\includegraphics|.
-
-Reclassify some luatex callbacks. Other fixes for Issues raised:
-\ghissue{198}, \ghissue{201}, \ghissue{202}, \ghissue{205}.
-
-\section{Changes introduced in 2019-10-01 patch~1}
-
-Adjustments to \verb|\set@curr@file|, and \verb|\@extracolsep|.
-
-Added missing \verb=\else= branch in \texttt{nfssfont} so that
-\verb=\action= is executed if provided.
-
-\section{Changes introduced in 2019-10-01}
-
-Introduced \LaTeX\texttt{-dev} formats for pre testing future \LaTeX{}
-releases. Now there's a \texttt{latex-base-dev} package on CTAN which
-contains a pre-release of the \LaTeXe{} kernel and both \TeX Live and
-MiK\TeX{} include the standard \LaTeX{} executables (\texttt{pdflatex},
-\texttt{lualatex}, etc.) with \texttt{-dev} appended, which use the
-pre-release format.
-
-The handling of Unicode characters was improved by making them safe
-inside \verb|\ref|s and \verb|\label|s, by using \verb|\ifincsname|
-to make these characters safe in these contexts (\ghissue{95}).
-
-In line with the better handling of Unicode characters, file names
-can now contain any Unicode character plus spaces, as these cases
-are now correctly handled by the kernel.
-
-An optional argument was added to the \texttt{filecontents} environment,
-to which a comma-separated list of options can be given. The options
-include \texttt{overwrite} (or \texttt{force}), \texttt{nosearch}, and
-\texttt{noheader} (which has the same effect as the starred form of the
-environment). The environment is now allowed anywhere in the document.
-
-A plethora of \LaTeX{} commands was made robust so that fewer
-\verb|\protect| are needed when using some commands in moving arguments.
-There are a few border cases where it's tricker to make the command
-robust or where it's not worth it to do so, but most reasonable use
-cases are covered. The most notable change was \verb|\begin| and
-\verb|\end|, which are now robust and won't break when used in moving
-arguments.
-
-An extra \verb|\hskip 1sp| was added to \verb|c|-column table cells to
-protect against the presence of an \verb|\unskip| in the table cell
-(\ghissue{102}).
-
-\texttt{U+012F} which is ``i with ogonek'' should produce an
-``i'' and not a ``dotless i''. This has been corrected
-(\ghissue{122}).
-
-The Unicode slots \texttt{27E8} and \texttt{27E9} have been mapped to
-\verb|textlangle| and \verb|textrangle| which is the recommended mapping
-(\ghissue{110}).
-
-Basic ligatures (ff, fi, fl, ffi, ffl, ft, st) can now be input as a
-single unicode character in pdf\TeX, which is useful when copy-pasting
-(\ghissue{154}).
-
-\verb|\InputIfFileExists{foo}{\input{bar}}{}|
-did not load the files \texttt{foo.tex} and \texttt{bar.tex} but
-would load \texttt{bar.tex} twice. This has been corrected (\ghissue{109}).
-
-The \textsf{fncylab} and \textsf{varioref} packages changed \LaTeX's internal
-counter prefix commands \verb|p@...| so that they would take the counter
-value as an argument instead of just acting as a prefix to them. These
-packages also provided the \verb|\labelformat| macro to change the prefix
-macro and \verb|\Ref| so that using counters defined that way in the
-beginning of sentences would have the proper capitalization. These features
-were added to the \LaTeXe{} kernel.
-
-The kernel now says ``Trying to load\ldots''
-instead of ``Try loading \ldots'' in one of its informal
-messages to match style of similar messages (\ghissue{107}).
-
-\verb|\DeclareErrorFont| would change the font size to 10\,pt which, when
-used in the wrong place, would make incorrect font settings in the document.
-This has now been fixed (\gnatsissue{4399}).
-
-The default action of the file \texttt{nfssfont.tex} was set to produce a
-font table, so that one can simply hit enter instead of having to write
-\verb=\table\bye=.
-
-The \LaTeX{} kernel now provides dummy (empty) definitions for the two
-commands \verb|\conditionally@traceoff| and
-\verb|\conditionally@traceon| from the \texttt{trace} package so they
-can be used by package developers without worrying about them being
-defined or not (\ghissue{164}).
-
-
-
-
-
-\section{Changes introduced in 2018-12-01}
-
-Further additions to the characters supported by default in UTF-8.
-The commands \verb|\guillemetleft| and \verb|\guillemetright| are
-provided as alias for the names based on the Adobe font names
-(\ghissue{65}).
-
-The use of potrusion in tables of contents is suppressed by default,
-see \sxquestion{172785}.
-
-The handling of visible space in verbatim was adjusted for
-\ghissue{69} and \ghissue{70}.
-
-Spaces are removed from the argument passed to BiBTeX, \ghissue{88}.
-
-New commands \verb|\Hwithstroke| and \verb|\hwithstroke| added to T1 encoding support.
-
-The internal box structure for floats is adjusted to preserve box
-levels of split hyperlinks, avoiding a fatal pdftex error. \ghissue{94}.
-
-
-\section{Changes introduced in 2018-04-01 patch~5}
-Improved support for non ASCII filenames on the command line on
-filesystems using legacy encodings.
-
-Adjusted the new package rollback code so that some edge cases where rollback
-can not be guaranteed become a warning not an error.
-
-\section{Changes introduced in 2018-04-01 patch~4}
-No changes to the format, but \texttt{docstrip} adjusted so that non-ASCII
-\texttt{.ins} files work with the new UTF-8 defaults.
-
-\section{Changes introduced in 2018-04-01 patch~3}
-Additional adjustments for GitHub issues \ghissue{34} and \ghissue{38}, adjustment to the
-location of some documentation files, such as \texttt{source2e.tex} to
-be installed in the documentation sources not the default \TeX\ input
-tree.
-
-
-\section{Changes introduced in 2018-04-01 patch~2}
-Additional adjustments for GitHub issues \ghissue{32} and \ghissue{33}.
-
-\section{Changes introduced in 2018-04-01 patch~1}
-Make \verb|\UseRawInputEncoding| and \Lpack{latexrelease} reset \verb|\inputencodingname|
-when disabling the UTF-8 input handling.
-
-\section{Changes introduced in 2018-04-01}
-Further details of changes at this release are given in \ltnewsissue{28}, but in brief
-the main changes are as listed below.
-
-The default encoding for files has been changed to UTF-8.
-
-A new possibility to refer to older versions of packages has been added.
-
-New commands previously available in \Lpack{remreset} and
-\Lpack{chngcntr} packages for controlling counters have been added.
-
-The definition of \verb|\@ifundefined| has been refined to use the e-\TeX \verb|\ifcsname|
-primitive when available, and to avoid defining the command being tested to be \verb|\relax|
-in the case that it was previously undefined.
-
-\section{Changes introduced in 2017-04-15}
-Optionally, \LaTeX{} format and package dates may use ISO style dates with
-\texttt{-} rather than \texttt{/}.
-
-For Unicode \TeX{}s, made further adjustments to the composite accent
-code in \texttt{tuenc.def}, and further updates tracking changes in
-Lua\TeX, now at 1.04.
-
-Previously defining an encoding-specific composite with an undeclared
-accent (or an accent declared later) gave no error, but did nothing useful.
-\LaTeX\ will now detect this and give the accent command a default definition
-as an error, allowing the declared composite to work as intended.
-
-The definition of \verb|\-| is adjusted to match the comments in
-\gnatsissue{3855} to accommodate non standard settings of \verb|\hyphenchar|.
-
-In parboxes and similar settings, \verb|\lineskiplimit| is now
-reset (to the existing default value, \verb|\normallineskiplimit|).
-See \sxanswer{359934}.
-
- The code for \verb|\newpage| has been adjusted to add a test on the value of
-\verb|\prevdepth| so that the depth of the last line is preserved in
-forced page breaks.
-
-\section{Changes introduced in 2017/01/01 patch~3}
-Emergency patch to correct a typo in a change introduced in patch~2.
-
-\section{Changes introduced in 2017/01/01 patch~2}
-More adjustments for TU encoding, allowing for characters missing in
-common system fonts. Additional \texttt{fd} files
-for Latin Modern variants are included in the documented sources.
-
-\section{Changes introduced in 2017/01/01 patch~1}
-Fixes to TU encoding definitions for Lua\TeX\ and Xe\TeX.
-
-\section{Changes introduced in 2017/01/01}
-
-A new test is added during format making that e\TeX\ extensions are
-available. As noted in \LaTeX\ news, e\TeX\ will now be required to
-build \LaTeX.
-
-Further updates tracking changes for Lua\TeX~1.0.
-
-The definition of \verb|\showhyphens| is changed in formats built
-with Xe\TeX, as the original version, inherited from plain \TeX\ does
-not work with Xe-\TeX.
-
-Changes to the default encoding used by Lua\TeX\ and Xe\TeX\ formats to
-be TU (Unicode) rather than OT1 (7 bit legacy \TeX\ encoding).
-
-\section{Changes introduced in 2016/03/31 patch~3}
-Fixes to \verb|\newinsert| and \verb|\extrafloats|.
-
-\section{Changes introduced in 2016/03/31 patch~2}
-Adjustments to \verb|\c{g}| in OT1 encoding.
-
-\section{Changes introduced in 2016/03/31 patch~1}
-Adjust the upper limit for Character Class allocation in Xe-\TeX\ to
-4096 to match a change in Xe-\TeX.
-
-\section{Changes introduced in 2016/03/31}
-Modify picture mode as suggested in latex/4452 to avoid leaders of
-almost zero length.
-
-Modify the checks in \verb|\DeclareMathSymbol| and related commands
-so that they do not give errors with new Lua\TeX\ releases.
-
-\section{Changes introduced in 2016/02/01}
-Adjustments to Lua\TeX\ support to match changes to the Lua\TeX\ engine,
-and to the character class allocation in Xe\TeX.
-
-Load Unicode data from new generic \texttt{unicode-data} distribution.
-
-\section{Changes introduced in 2015/10/01 patch~2}
-
-This release fixes the behavior of the allocation mechanism if the switch
-from the standard to extended pool takes place within a group.
-
-\section{Changes introduced in 2015/10/01 patch~1}
-This release allows \Lpack{latexrelease} to revert the
-Lua\TeX{}-specific
-changes, in particular fixing an incorrect date in part of the mechanism and
-adding a method to disable callback management entirely.
-
-\section{Changes introduced in \LaTeX\ 2015/10/01}
-
-\subsection{LuaTeX allocation}
-Almost all changes at this release relate to incorporating allocation macros for luatex into the format
-as done for etex and xetex in 2015/01/01. For details see |ltluatex.dtx| or \ltnewsissue{22}.
-|ltluatex.dtx| now forms a new chapter (N) in the documented sources, |source2e.tex|.
-
-
-\subsection{Increased number of floats}
-The default float list has been increased from 18 to 52 registers if
-e\TeX\ is available.
-The list can be increased further using |\extrafloats| however this
-default allocation uses classic registers below 256 so the registers are
-also available for |\newinsert| as described below.
-
-\subsection{Improved \texttt{\textbackslash newinsert}}
-The command |\newinsert| has been extended to take registers from the lists of free float
-registers once the classic register allocation is used up. This should make it highly unlikely
-to get ``no room'' errors on register allocation assuming the format is used with
-an e-\TeX\ based \TeX\ engine.
-
-\subsection{New accent, \texttt{\textbackslash textcommabelow} (pr/4414)}
-The command |\textcommabelow| has been added. This is mainly intended for Romanian letters
-\textcommabelow{S}\,\textcommabelow{s}\,\textcommabelow{T}\,\textcommabelow{t}.
-
-\subsection{Unicode 8}
-The file |unicode-letters.def| used to initialize character data in
-Unicode \TeX\ variants has been regenerated from data files updated
-to Unicode~8.
-
-\section{Changes introduced in 2015/01/01 patch~2}
-There were no changes to the format at this release, but the sources were fixed to fix bug latex/4434
-affecting bottom float positioning if the \Lpack{latexrelease} package was used.
-
-\section{Changes introduced in 2015/01/01 patch~1}
-This release re-introduces the ``Patch Level'' scheme for identifying
-releases between main ``dated'' releases. Early \LaTeXe\ releases
-included a mechanism whereby updates could be provided by a
-\emph{patch
- file}. This was mainly intended to allow updates to be made without
-downloading the full sources again, which was an important
-consideration with download speeds and costs at the time.
-
-The new mechanism incorporates any changes directly into the sources,
-but having the patch level identified in the banner allows the
-\LaTeX\ release to be identified, even if (as in this case) most of the
-changes do not affect the format but affect other base packages such
-as \Lpack{latexrelease} and \Lpack{inputenc}. The patch level is shown
-in the banner at the start of the job, but does not affect the date
-handling of the |\IncludeInRelease| mechanism.
-
-Apart from re-arranging the version banner, the only change in the
-format is that |\newtoks| was accidentally defined twice, using the
-old and new allocation scheme described in Section \ref{e@alloc}.
-The old definition is now only in the \Lpack{latexrelease} package,
-for use when emulating old formats.
-
-
-
-
-\section
-[Changes between \LaTeX\ releases 2014/05/01 and 2015/01/01]
-{Changes between \LaTeX\ releases 2014/05/01 and 2015/01/01\footnote{Much of this text
-is taken from \Lpack{fixltx2e} package which was formerly used to make such changes available separately.}}
-
-\subsection{Support for \LaTeX\ version changes}
-\DescribeMacro{\includeInRelease}\arg{date}\oarg{date}\arg{label}\arg{message}\arg{code}
-
-\smallskip
-
-The |\includeInRelease| command has been added to support backward and
-forward compatibility for the \LaTeX\ format. It supports the
-declaration of conditional code that can be loaded based on options
-given to the \Lpack{latexrelease} package. Its use is described in
-detail in the \Lpack{latexrelease} package documentation.
-
-\subsection{New Allocation Code\label{e@alloc}}
-Previously |\newcount| and related commands were based on classic TeX
-and only allocated in the range 0--255. This was extended (in
-different ways) for e-\TeX\ in the |etex| package and in the
-|xelatex.ini| and |lualatex.ini| files used in those formats. Related
-to this the number of boxes allocated to store floats was
-limited. This was extended to a certain extent in the |morefloats|
-package (by Don Hosek and H.-Martin Muench) but the new allocation
-incorporates float allocation directly and supports much larger float
-lists using the extended registers.
-
-The new code allocates registers in the full extended range (
-$2^{15}-1$ for etex and xelatex, $2^{16}-1$ for lualatex.
-In addition a new command |\extrafloats| is provided.
-
-\DescribeMacro{\extrafloats}\arg{number}
-\smallskip
-
-This allocates additional registers for the \LaTeX\ float system to
-hold figures and tables etc. Similar functionality has been
-available via the \Lpack{morefloats} package but this is a different
-implementation using extended e-\TeX\ registers when available so
-allows many more registers to be reserved for floats as they are
-allocated from a pool of 32 or 64 thousand rather than 256 registers,
-depending on the engine in use.
-
-\DescribeMacro{\newmarks}\arg{command}
-\smallskip
-
-e-\TeX\ only, previously available via the \Lpack{etex} package.
-Allocates commands to use the extended e-\TeX\ mark mechanism.
-
-\DescribeMacro{\newXeTeXintercharclass}\arg{command}
-\smallskip
-
-Xe-\TeX\ only, previously in the Xe-\LaTeX\ format, but added via
-|xelatex.ini| not part of the core release.
-Allocates commands to use the Xe-\TeX\ character class mechanism.
-
-
-\subsection{e-\TeX\ tracing if available}
-|\loggingall| (Usually used via |\tracingall|) is extended to enable
-additional e-\TeX\ tracing if e-\TeX\ is available. (|\tracingall|
-extension has been available as part of the |etex| package previously).
-
-Also based on code from the |etex| package, a command |\tracingnone|
-is added to reverse the effects of |\tracingall| and turn off all primitive
-\TeX\ tracing. A new command |\hideoutput| has been added which resets the
-tracing parameters set by |\showoutput|.
-
-
-
-
-\subsection{\texttt{\textbackslash textsubscript} not defined in
- latex.ltx (pr/3492)}
-
-\begin{verbatim}
->>Number: 3492
->>Category: latex
->>Synopsis: \textsubscript not defined in latex.ltx
->>Arrival-Date: Tue Jan 14 23:01:00 CET 2003
->>Originator: Ionel Mugurel Ciobica
-
-I use \textsubscript much more often than \textsuperscript, and
-\textsubscript it is not defined in latex.ltx. Could you please
-consider including the definition of \textsubscript in the latex.ltx
-for the next versions of LaTeX. Thank you.
-\end{verbatim}
-
-\subsection{\texttt{\textbackslash @} discards spaces when moving
- (pr/3039)}
-
-\begin{verbatim}
->>Number: 3039
->>Category: latex
->>Synopsis: \@ discards spaces when moving
->>Arrival-Date: Sat May 22 09:01:06 1999
->>Originator: Donald Arseneau
->>Description:
-The \@ command expands to \spacefactor\@m in auxiliary files,
-which then ignores following spaces when it is reprocessed.
-\end{verbatim}
-
-\subsection{1-col fig can come before earlier 2-col fig
- (pr/2346)}
-
-\begin{verbatim}
->>Number: 2346
->>Category: latex
->>Synopsis: 2-col: 1-col fig can come before earlier 2-col fig
->>Arrival-Date: Wed Dec 18 15:41:07 1996
->>Originator: bil kleb
->>Description:
-as documented in Lamport's book, p. 198, concerning figure
-placement, "a figure will not be printed before an earlier
-figure, and a table will not be printed before an earlier
-table." however, there is a footnote stating, "However,
-in two-column page style, a single-column figure can come before
-an earlier double-column figure, and vice versa."
-
-This twocolumn behavior is undesirable---at least by me and
-most professional organizations i publish in. ed snyzter developed
-a hack fix for 2.09 several years ago which links the two
-counters, but i have not run across a similar "fix" for 2e...
-\end{verbatim}
-
-Originally fixed in package \Lpack{fix2col} which was merged into
-this package. Documentation and code from this package have been
-merged into this file.
-
-\subsubsection{Notes on the Implementation Strategy}
-
-The standard output routine maintains two lists of floats that have
-been `deferred' for later consideration. One list for single column
-floats, and one for double column floats (which are always
-immediately put onto their deferred list). This mechanism means
-that \LaTeX\ `knows' which type of float is contained in each box
-by the list that it is processing, but having two lists means
-that there is no mechanism for preserving the order between the
-floats in each list.
-
-The solution to this problem consists of two small changes to
-the output routine.
-
-Firstly, abandon the `double column float list' |\@dbldeferlist|
-and change every command where it is used so that instead the
-same |\@deferlist| is used as for single column floats.
-That one change ensures that double and single column floats
-stay in the same sequence, but as \LaTeX\ no longer `knows'
-whether a float is double or single column, it will happily
-insert a double float into a single column, overprinting the
-other column, or the margin.
-
-The second change is to provide an alternative mechanism for
-recording the two column floats. \LaTeX\ already has a compact
-mechanism for recording float information, an integer count register
-assigned to each float records information about the `type' of float
-`figure', `table' and the position information `htp' etc.
-
-The type information is stored in the `high' bits, one bit position
-(above `32') allocated to each float type. The `low' bits store
-information about the allowed positions, one bit each allocated for
-|h t b p|. In the \LaTeX2.09 system, the bit corresponding to `16'
-formed a `boundary' between these two sets of information, and it
-was never actually used by the system. Ed Sznyter's
-\Lpack{fixfloats} package not unreasonably used this position to
-store the double column information, setting the bit for double
-column floats. Then at each point in the output routine at which a
-float is committed to a certain region, an additional check must be
-made to check that the float is (or is not) double column. If it
-spans the wrong number of columns it is deferred rather than being
-added.
-
-Unfortunately the bit `16' is not available in \LaTeXe. It is used
-to encode the extra float position possibility `|!|' that was added
-in that system. It would be possible to use position `32' and to
-move the flags for `table', `figure',\ldots\ up one position, to
-start at 64, but this would mean that in principle one less float
-type would be supported, and more importantly is likely to break
-any other packages that assume anything about the output routine
-internals. So here I instead use another mechanism for flagging
-double column floats: By default all floats have depth 0pt.
-This package arranges that double column ones have depth 1sp.
-This information may then be used in the same manner as in
-the \Lpack{fixfloats} package, to defer any floats that are not of
-the correct column spanning type.
-
-
-
-\subsection{Infinite glue found (pr/4023 and pr/2346)}
-
-The fix for pr/2346 did not work as intended when used in conjunction
-with |\enlargethispage| as the latter introduced an infinite negative
-glue at the bottom of the page. That in turn make a |\vsplit|
-operation to get at the column marks invalid.
-
-\subsection{Wrong header for twocolumn (pr/2613)}
-
-\begin{verbatim}
->>Number: 2613
->>Category: latex
->>Synopsis: wrong headline for twocolumn
->>Arrival-Date: Mon Sep 22 16:41:09 1997
->>Originator: Daniel Reischert
->>Description:
-When setting the document in two columns
-the headline shows the top mark of the second column,
-but it should show the top mark of the first column.
-\end{verbatim}
-
-Originally fixed in package \Lpack{fix2col} which was merged into
-this package. Documentation and code from this package have been
-merged into this file.
-
-\subsubsection{Notes on the Implementation Strategy}
-
-The standard \LaTeX\ twocolumn system works internally by making
-each column a separate `page' that is passed independently to \TeX's
-page breaker. (Unlike say the \Lpack{multicol} package, where all
-columns are gathered together and then split into columns later,
-using |\vsplit|.) This means that the primitive \TeX\ marks that are
-normally used for header information, are globally reset after the
-first column. By default \LaTeX\ does nothing about this.
-A good solution is provided by Piet van Oostrum (building on earlier
-work of Joe Pallas) in his \Lpack{fixmarks} package.
-
-After the first column box has been collected the mark information
-for that box is saved, so that any |\firstmark| can be
-`artificially' used to set the page-level marks after the second
-column has been collected. (The second column |\firstmark| is not
-normally required.) Unfortunately \TeX\ does not provide a direct
-way of knowing if any marks are in the page, |\firstmark| always has a
-value from previous pages, even if there is no mark in this page.
-The solution is to make a copy of the box and then |\vsplit| it
-so that any marks show up as |\splitfirstmark|.
-
-The use of |\vsplit| does mean that the output routine will globally
-change the value of |\splitfirstmark| and
-|\splitbotmark|. The \Lpack{fixmarks} package goes to some trouble
-to save and restore these values so that the output routine does
-\emph{not} change the values. This part of \Lpack{fixmarks} is not
-copied here as it is quite costly (having to be run on every page) and
-there is no reason why anyone writing code using |\vsplit| should
-allow the output routine to be triggered before the split marks have
-been accessed.
-
-
-
-\subsection{\texttt{\textbackslash setlength} produces error if
- used with registers like \texttt{\textbackslash dimen0} (pr/3066)}
-
-\begin{verbatim}
->>Number: 3066
->>Category: latex
->>Synopsis: \setlength{\dimen0}{10pt}
->>Arrival-Date: Tue Jul 6 15:01:06 1999
->>Originator: Heiko Oberdiek
->>Description:
-The current implementation of \setlength causes an error,
-because the length specification isn't terminated properly.
-More safe:
-\def\setlength#1#2{#1=#2\relax}
-\end{verbatim}
-
-\subsection{Fewer fragile commands}
-
-\begin{verbatim}
->>Number: 3816
->>Category: latex
->>Synopsis: Argument of \@sect has an extra }.
->>Arrival-Date: Sat Oct 22 23:11:01 +0200 2005
->>Originator: Susanne Wunsch
-
-Use of a \raisebox in \section{} produces the error message
-mentioned in the subject.
-
-PR latex/1738 described a similar problem, which has been solved
-10 years ago. Protecting the \raisebox with \protect solved my
-problem as well, but wouldn't it make sense to have a similar fix
-as in the PR?
-
-It is particularly confusing, that an unprotected \raisebox in a
-\section*-environment works fine, while in a \section-environment
-produces error.
-\end{verbatim}
-
-While not technically a bug, in this day and age there are few
-reasons why commands taking optional arguments should not be robust.
-
-\subsubsection{Notes on the implementation strategy}
-
-Rather than changing the kernel macros to be robust, we have decided
-to add the macro \DescribeMacro{\MakeRobust}|\MakeRobust| in
-\Lpack{fixltx2e} so that users can easily turn fragile macros into
-robust ones. A macro |\foo| is made robust by doing the simple
-|\MakeRobust{\foo}|. \Lpack{fixltx2e} makes the following kernel
-macros robust: |\(|, |\)|, |\[|, |\]|,
- |\makebox|, |\savebox|,
-|\framebox|, |\parbox|, |\rule| and |\raisebox|.
-
-\ldots TODO \ldots fleqn vesion of |\[\]|
-
-\subsection{\texttt{\textbackslash addpenalty} ruins flush-bottom (pr/3073)}
-
-\begin{verbatim}
->>Number: 3073
->>Category: latex
->>Synopsis: \addpenalty ruins flush-bottom
->>Arrival-Date: Sat Jul 17 05:11:05 1999
->>Originator: Donald Arseneau
->>Description:
-Just to keep in mind for further development eh?
-A page break at an \addpenalty after \vspace does *not*
-give a flush-bottom page. (The intent of \addpenalty is
-apparently just to preserve the flush bottom by putting
-the breakpoint `above' the skip.)
-\end{verbatim}
-
-\subsection{Within counters only reset next level down (pr4393)}
-
-This is actually implicitly documented behavior in the \LaTeX{}
-Manual that states that |\stepcounter| resets all counters marked
-``within''. However it means that if, for example, theorems are
-numbered within sections and you start a new chapter in a book, the
-section counter is reset to zero but the theorem counter is not
-until the first section appears. Thus a theorem directly within the
-chapter body (without a new section) would show an incremented
-number relative to the last theorem of the previous chapter.
-
-
-For this reason we are now resetting all levels of within in one go
-even if that means that some of these resets may happen several times
-unnecessarily.
-
-
-\subsection{Check the optional arguments of floats}
-
-By default LaTeX silently ignores unknown letters in the optional
-arguments of floats. |\begin{figure}[tB]| the |B| is ignored so it
-acts like |\begin{figure}[t]| However |\begin{figure}[B]| does
-\emph{not} act like |\begin{figure}[]| as the check for an empty
-argument, or unsupplied argument, is earlier. |[]| causes the
-default float placement to be used, but |[B]| means that \emph{no}
-float area is allowed and so the float will not be placed until the
-next |\clearpage| or end of document, no warning is given.
-
-This package adds a check on each letter, and if it not one of
-|!tbhp| then an error is given and the code acts as if |p| had been
-used, so that the float may be placed somewhere.
-
-\subsection{\texttt{\textbackslash DeclareMathSizes} only take pts.
- (pr/3693)}
-
-\begin{verbatim}
->>Number: 3693
->>Category: latex
->>Synopsis: \DeclareMathSizes only take pts.
->>Arrival-Date: Fri Jun 11 16:21:00 CEST 2004
->>Originator: Morten Hoegholm
-
-The last three arguments of \@DeclareMathSizes cannot take a dimension
-as argument, making it inconsistent with the rest of the font changing
-commands and itself, as the second argument can take a dimension
-specification.
-\end{verbatim}
-
-\subsection{No hyphenation in first word after float environment (pr/3498)}
-
-\begin{verbatim}
->>Number: 3498
->>Category: latex
->>Synopsis: No hyphenation in first word after float environment
->>Arrival-Date: Thu Jan 30 13:21:00 CET 2003
->>Originator: Harald Harders
-
-If a float environment (figure, table) is written within a paragraph,
-the first word after the environment is not hyphenated.
-\end{verbatim}
-
-\subsection{\texttt{\textbackslash fnsymbol} should use text symbols
- (pr/3400)}
-
-\begin{verbatim}
->>Number: 3400
->>Category: latex
->>Synopsis: \fnsymbol should use text symbols if possible
->>Arrival-Date: Fri Jan 04 20:41:00 CET 2002
->>Originator: Walter Schmidt
-
-The \fnsymbol command can be used in both text and math
-mode. The symbols produced are, however, always taken from
-the math fonts. As a result, they may not match the text
-fonts, even if the symbols are actually available, for
-instance from the TS1 encoding. Since \fnsymbol is
-primarily used for footnotes in text, this should be fixed,
-IMO.
-\end{verbatim}
-
-
-
-
-
-\subsection{\texttt{\textbackslash footnotemark}[x] crashes with fixltx2e.sty
- (pr/3752)}
-
-\begin{verbatim}
->>Number: 3752
->>Category: tools
->>Synopsis: feature \footnotemark[x] crashes with fixltx2e.sty
->>Arrival-Date: Fri Dec 17 10:11:00 +0100 2004
->>Originator: Stefan Pofahl
-
- If I use /fnsymbol together with fixltx2e.sty I can not use
- optional parameter [num]
- \footnotemark[1] is not showing the mark number 1 but
- the mark \value{footnote}.
-\end{verbatim}
-This bug was related to pr/3400, where |\@fnsymbol| was made robust.
-
-\subsubsection{Notes on the implementation strategy}
-
-Pr/3400 made |\@fnsymbol| decide between text-mode and math-mode,
-which requires a certain level of robustness somewhere as the
-decision between text and math must be made at typesetting time and
-not when inside |\protected@edef| or similar commands. One way of
-dealing with this is to make sure the value seen by |\@fnsymbol| is
-a fully expanded number, which could be handled by code such as
-\begin{verbatim}
-\def\fnsymbol#1{\expandafter\@fnsymbol
- \expandafter{\the\csname c@#1\endcsname}}
-\end{verbatim}
-This would be a good solution if everybody used the high level
-commands only by writing code like |\fnsymbol{footnote}|. Unfortunately
-many classes (including the standard classes) and packages use the
-internal forms directly as in |\@fnsymbol\c@footnote| so the easy
-solution of changing |\fnsymbol| would break code that had worked for
-the past 20~years.
-
-Therefore the implementation here makes |\@fnsymbol| itself a
-non-robust command again and instead uses a new robust command
-\DescribeMacro{\TextOrMath}|\TextOrMath|, which will take care of
-typesetting either the math or the text symbol. In order to do so,
-we face an age old problem and unsolvable problem in \TeX: A
-reliable test for math mode that doesn't destroy
-kerning. Fortunately this problem can be solved when using e\TeX\ so
-if you use this as engine for your \LaTeX\ format, as recommended by
-the \LaTeX\ Project, you will get a fully functioning |\TextOrMath|
-command with no side effects. If you use regular \TeX\ as engine for
-your \LaTeX\ format then we have to choose between the lesser of two
-evils: 1)~breaking ligatures and preventing kerning or 2)~face the
-risk of choosing text-mode at the beginning of an alignment cell,
-which was supposed to be math-mode. We have decided upon 1) as is
-customary for regular robust commands in \LaTeX.
-
-
-
-\end{document}
diff --git a/Master/texmf-dist/doc/latex-dev/base/latexrelease.pdf b/Master/texmf-dist/doc/latex-dev/base/latexrelease.pdf
index 04f911e0d6d..630c7cb84a5 100644
--- a/Master/texmf-dist/doc/latex-dev/base/latexrelease.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/latexrelease.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/latexsym.pdf b/Master/texmf-dist/doc/latex-dev/base/latexsym.pdf
index dc0e9d1344d..d4e39b84edf 100644
--- a/Master/texmf-dist/doc/latex-dev/base/latexsym.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/latexsym.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/lb2.err b/Master/texmf-dist/doc/latex-dev/base/lb2.err
index 53148e28330..46958ae3a5f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lb2.err
+++ b/Master/texmf-dist/doc/latex-dev/base/lb2.err
@@ -419,7 +419,7 @@ Ende der Wettbewerbsperiode & Gewinner \\[4pt]
2006/04 & Jens Mandavid & 121 \\
2006/10 & Ralf Heckmann & 61 \\
2008/04 & --- \\
-\ldots & Termin einer weiteren Verlosung offen
+\ldots & keine weitere Verlosung
%2008/10 & \\
\end{tabular}
\end{center}
diff --git a/Master/texmf-dist/doc/latex-dev/base/lb2.pdf b/Master/texmf-dist/doc/latex-dev/base/lb2.pdf
index 64acee80bf2..3c945696f2f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lb2.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/lb2.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/letter.pdf b/Master/texmf-dist/doc/latex-dev/base/letter.pdf
index 04a83d43855..a4f9c2c4ffc 100644
--- a/Master/texmf-dist/doc/latex-dev/base/letter.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/letter.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/lgc2.err b/Master/texmf-dist/doc/latex-dev/base/lgc2.err
index 96fd378fe95..45b440a7f4f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lgc2.err
+++ b/Master/texmf-dist/doc/latex-dev/base/lgc2.err
@@ -10,7 +10,7 @@
%
% The current version of this file can be found at:
%
-% https://www.latex-project.org/guides/books.html
+% https://www.latex-project.org/help/books
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -351,12 +351,12 @@ You can customize this list to only show errata related to the printing
you own by changing the configuration in the file \texttt{\jobname.cfg}.
\begin{center}
- \Large \bfseries To Err is Human --- Bug Contest
+ \Large \bfseries To Err is Human --- Bug Contest (no longer open)
\end{center}
Any mistake found and reported is a gain for all readers of our book.
-For this reason Addison-Wesley and the authors offer a prize (for 6
-periods) to the eligible person who finds the largest
+For this reason Addison-Wesley and the authors offer a prize to the
+eligible person who finds the largest
number of bugs during that period (in case of a draw a random choice
will be made between all those with the largest number of findings).
A person can receive at most one prize, ever; errors found by any of
@@ -378,7 +378,7 @@ Good luck!
Contest period ends & Winner \\[4pt]
2008/05 & Milan Vujtek & 16 suggestions\\
2010/05 & & \\
-\ldots
+\ldots & contest no longer open
\end{tabular}
\end{center}
\end{list}
diff --git a/Master/texmf-dist/doc/latex-dev/base/lgc2.pdf b/Master/texmf-dist/doc/latex-dev/base/lgc2.pdf
index 895b91c84d0..07902aca251 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lgc2.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/lgc2.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/lppl.pdf b/Master/texmf-dist/doc/latex-dev/base/lppl.pdf
index 8ef71449473..c09da611fd0 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lppl.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/lppl.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-code.pdf b/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-code.pdf
index 94418868e1c..7ed20af9ff3 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-code.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-code.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.pdf b/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.pdf
index 623100bb288..6ac9077ecca 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.tex b/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.tex
index 1efae5f229e..acbb880e727 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltcmdhooks-doc.tex
@@ -2,5 +2,6 @@
\AtBeginDocument{\OnlyDescription
\let\tableofcontents\relax
+ \RenewCommandCopy\MaybeStop\StopEventually
}
\input{ltcmdhooks.dtx}
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltfilehook-code.pdf b/Master/texmf-dist/doc/latex-dev/base/ltfilehook-code.pdf
index b3dc125d4bc..16144c7a731 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltfilehook-code.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltfilehook-code.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.pdf b/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.pdf
index 751d35f5e22..3e3d0da1754 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.tex b/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.tex
index 220de941888..c9287dfb2fa 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltfilehook-doc.tex
@@ -3,5 +3,6 @@
\AtBeginDocument{\OnlyDescription
% \let\tableofcontents\relax
+ \RenewCommandCopy\MaybeStop\StopEventually
}
\input{ltfilehook.dtx}
diff --git a/Master/texmf-dist/doc/latex-dev/base/lthooks-code.pdf b/Master/texmf-dist/doc/latex-dev/base/lthooks-code.pdf
index e6b93914381..12c74386838 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lthooks-code.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/lthooks-code.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.pdf b/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.pdf
index 4f1d9c820d0..76321bbfe09 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.tex b/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.tex
index a51e2cd6e04..b5f3622a179 100644
--- a/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/lthooks-doc.tex
@@ -3,5 +3,6 @@
\AtBeginDocument{\OnlyDescription
% \let\tableofcontents\relax
+ \RenewCommandCopy\MaybeStop\StopEventually
}
\input{lthooks.dtx}
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltluatex.pdf b/Master/texmf-dist/doc/latex-dev/base/ltluatex.pdf
index 88335534b95..6d45e9e955e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltluatex.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltluatex.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews.pdf
index aaf1aedb2aa..af545c21fed 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews.tex
index 406787c5f0f..cba11c3ce31 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews.tex
@@ -38,9 +38,9 @@
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{ltnews.tex}%
- [2021/06/07 v1.4d Master file for ltnews*.tex (LaTeX Project)]
+ [2021/11/12 v1.4d Master file for ltnews*.tex (LaTeX Project)]
-\providecommand*{\lastissue}{34}
+\providecommand*{\lastissue}{35}
\InputIfFileExists{ltnews-lastissue.cfg}{}{}
@@ -222,7 +222,11 @@
\def\y{|multicol}%
\ifx\x\y
\else
- \@latex@error{ltnews.tex: \string\usepackage[#1]{#2} found}\@ehc
+ \def\y{|color}%
+ \ifx\x\y
+ \else
+ \@latex@error{ltnews.tex: \string\usepackage[#1]{#2} found}\@ehc
+ \fi
\fi
\fi
\fi
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews01.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews01.pdf
index 4179783fd46..1ab890fe997 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews01.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews01.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews01.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews01.tex
index 3703f23f611..08ac57d27d9 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews01.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews01.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews02.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews02.pdf
index 1d1284ca5d8..39e5eb69ac1 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews02.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews02.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews02.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews02.tex
index dfc78e4843b..1d875dcd031 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews02.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews02.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews03.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews03.pdf
index 5644d1f86b7..48f5b265265 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews03.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews03.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews03.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews03.tex
index e555e12df43..93f0963426c 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews03.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews03.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews04.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews04.pdf
index a6408f8aca9..f6d36a762e3 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews04.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews04.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews04.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews04.tex
index 0a313664baf..527024fa18b 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews04.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews04.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews05.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews05.pdf
index 3696f58f198..e8eb6f67a4f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews05.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews05.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews05.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews05.tex
index 840f04fe721..d13f469dd6f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews05.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews05.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews06.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews06.pdf
index 445505966fb..b4a0f5dd175 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews06.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews06.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews06.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews06.tex
index 52ecba9918b..ac32eab8d1a 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews06.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews06.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews07.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews07.pdf
index ea6fbd6d5e4..d411bef57aa 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews07.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews07.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews07.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews07.tex
index db3812e3873..56cfd76661b 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews07.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews07.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews08.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews08.pdf
index b0205c85499..ba927184d03 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews08.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews08.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews08.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews08.tex
index d79a1b1b74b..68cd1247e64 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews08.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews08.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews09.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews09.pdf
index eb5684db030..13855073557 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews09.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews09.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews09.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews09.tex
index 2d56515ca09..af14a53e34a 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews09.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews09.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews10.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews10.pdf
index 08b736b4fe8..ee0327a5c85 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews10.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews10.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews10.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews10.tex
index 5ab159f0bb7..c6a77e6e364 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews10.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews10.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews11.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews11.pdf
index 16b61b603dc..51e82c1f02b 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews11.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews11.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews11.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews11.tex
index 6d27fee067e..b4f6d19910e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews11.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews11.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews12.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews12.pdf
index eff43ee46cf..0f02498fd49 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews12.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews12.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews12.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews12.tex
index 62b08324b7f..b7a01bc208b 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews12.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews12.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews13.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews13.pdf
index 8a902117fc1..bc7e4244ba7 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews13.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews13.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews13.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews13.tex
index 08acf95df6b..0cbbe49a5da 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews13.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews13.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews14.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews14.pdf
index 3ebbf0704dd..e00f82dd75f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews14.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews14.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews14.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews14.tex
index 61c96c81ae4..b5fa7cb019a 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews14.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews14.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews15.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews15.pdf
index fb8b6a15398..89f68f003c0 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews15.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews15.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews15.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews15.tex
index e143d5f4dd5..3b1ea3f89cb 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews15.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews15.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews16.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews16.pdf
index 8334c9c0ac2..d1f12d79a49 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews16.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews16.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews16.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews16.tex
index 17f9cd094a6..7f7183ac0e9 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews16.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews16.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews17.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews17.pdf
index 7a3603af622..2029148dc78 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews17.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews17.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews17.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews17.tex
index 614c5c7d631..4dab20f53fb 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews17.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews17.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews18.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews18.pdf
index d2ecaf5b3bc..ecdd021457e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews18.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews18.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews18.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews18.tex
index 518aeda0672..04491760b2c 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews18.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews18.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews19.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews19.pdf
index 1cb3bf11c45..c6cf9a5d4b6 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews19.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews19.pdf
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index f733c41dd43..43d388b29b8 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews19.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews19.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews20.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews20.pdf
index 7ec8810601f..c9b1e7dc6c9 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews20.pdf
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index d0d620eded7..67c89254705 100644
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index eea02d53440..f556f2a7b23 100644
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index 7551616154d..8d1c91acfa6 100644
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+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews22.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2015-2021
+% Copyright (C) 2015-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
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diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews23.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews23.pdf
index a8727c72acb..44e8064b3c3 100644
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index 99e96150741..29241766caa 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews23.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews23.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2015-2021
+% Copyright (C) 2015-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews24.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews24.pdf
index 0e5a969ed5a..35b80e46c57 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews24.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews24.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews24.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews24.tex
index 44cd76a0606..13d2fc8519f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews24.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews24.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2015-2021
+% Copyright (C) 2015-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews25.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews25.pdf
index 5857ae116c2..1b096ddcbcb 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews25.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews25.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews25.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews25.tex
index 735fda356e3..5a9f4807183 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews25.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews25.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2016-2021
+% Copyright (C) 2016-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews26.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews26.pdf
index fc3cc7060b5..42a9e76e102 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews26.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews26.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews26.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews26.tex
index f0e7578b706..94b4c4818bd 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews26.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews26.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2017-2021
+% Copyright (C) 2017-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews27.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews27.pdf
index 410338cc850..7c45486bb2e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews27.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews27.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews27.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews27.tex
index ba17d26e5ee..03c8c042054 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews27.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews27.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2017-2021
+% Copyright (C) 2017-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews28.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews28.pdf
index e88bfdcdb41..c1f63b59dee 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews28.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews28.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews28.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews28.tex
index 03d4a04ae1b..28bfe0577cb 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews28.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews28.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2017-2021
+% Copyright (C) 2017-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews29.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews29.pdf
index 1cd9485123e..b1de2fc801f 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews29.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews29.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews29.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews29.tex
index 749b9272183..c06d4de3478 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews29.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews29.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2018-2021
+% Copyright (C) 2018-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews30.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews30.pdf
index 7f4bf259306..8bb8e3e732c 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews30.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews30.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews31.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews31.pdf
index 35218ae875e..928a14e4be9 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews31.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews31.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews32.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews32.pdf
index 5a1923988a2..4ba4ff8185e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews32.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews32.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews33.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews33.pdf
index 29c95d920b6..4c0e50b65f8 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews33.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews33.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews34.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews34.pdf
index 8d4a2580591..a6d8fbbd537 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews34.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews34.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews34.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews34.tex
index badd25b97cb..a6450b97c37 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltnews34.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews34.tex
@@ -493,7 +493,8 @@ for which these are now the preferred replacements.
This optional argument
specifies the format of the counter, such as \cs{roman};
the default value is \cs{arabic}.
-
+Alternatively, you can use a starred form, in which case the format of the
+counter is not altered at all.
\subsection{Tests for package and class loading}
@@ -738,7 +739,7 @@ setting the new defaults.
\subsection{Use of \texttt{\textup{\#}} in \cs{textbf} and similar commands}
Previously you could not use the macro parameter character \texttt{\#}
in inline functions
-within the argument of \cs{texbf} or similar text font commands.
+within the argument of \cs{textbf} or similar text font commands.
An internal definition is now guarded with \cs{unexpanded}
so that the use of \texttt{\#} here no longer generates an error.
%
@@ -783,7 +784,7 @@ possibilities.
A \env{tabular} environment is typeset (internally) as an \env{array}
environment with special settings, and it therefore uses (hidden) math mode.
Since it is not in fact a math formula,
-no extra space from \cs{mathsuround} should be added
+no extra space from \cs{mathsurround} should be added
(the spacing around the \env{tabular} should not get changed).
%
Note that this bug has been present ``forever'', which shows that \cs{mathsurround}
@@ -830,7 +831,7 @@ brace groups inside \cs{r@}\meta{label}) However, if \pkg{nameref} or
arguments; this could cause low-level errors in some cases.
The code has therefore now been changed to avoid these errors.
%
-\sxissue{603948}
+\sxissue{q/603948}
\medskip
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews35.pdf b/Master/texmf-dist/doc/latex-dev/base/ltnews35.pdf
new file mode 100644
index 00000000000..44fea294e8e
--- /dev/null
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews35.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltnews35.tex b/Master/texmf-dist/doc/latex-dev/base/ltnews35.tex
new file mode 100644
index 00000000000..31bce8a115c
--- /dev/null
+++ b/Master/texmf-dist/doc/latex-dev/base/ltnews35.tex
@@ -0,0 +1,583 @@
+% \iffalse meta-comment
+%
+% Copyright 2019-2021
+% The LaTeX Project and any individual authors listed elsewhere
+% in this file.
+%
+% This file is part 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".
+%
+% 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.
+%
+% \fi
+% Filename: ltnews35.tex
+%
+% This is issue 35 of LaTeX News.
+
+\NeedsTeXFormat{LaTeX2e}[2020-02-02]
+
+\documentclass{ltnews}
+
+%% Maybe needed only for Chris' inadequate system:
+\providecommand\Dash {\unskip \textemdash}
+
+%% NOTE: Chris' preferred hyphens!
+%%\showhyphens{parameters}
+%% \hyphenation{because parameters parameter}
+
+\usepackage[T1]{fontenc}
+
+\usepackage{lmodern,url,hologo}
+
+\usepackage{csquotes}
+\usepackage{multicol}
+\usepackage{color}
+
+\providecommand\hook[1]{\texttt{#1}}
+
+\providecommand\meta[1]{$\langle$\textrm{\itshape#1}$\rangle$}
+\providecommand\option[1]{\texttt{#1}}
+\providecommand\env[1]{\texttt{#1}}
+\providecommand\Arg[1]{\texttt\{\meta{#1}\texttt\}}
+
+
+\providecommand\eTeX{\hologo{eTeX}}
+\providecommand\XeTeX{\hologo{XeTeX}}
+\providecommand\LuaTeX{\hologo{LuaTeX}}
+\providecommand\pdfTeX{\hologo{pdfTeX}}
+\providecommand\MiKTeX{\hologo{MiKTeX}}
+\providecommand\CTAN{\textsc{ctan}}
+\providecommand\TL{\TeX\,Live}
+\providecommand\githubissue[2][]{\ifhmode\unskip\fi
+ \quad\penalty500\strut\nobreak\hfill
+ \mbox{\small\slshape(%
+ \href{https://github.com/latex3/latex2e/issues/\getfirstgithubissue#2 \relax}%
+ {github issue#1 #2}%
+ )}%
+ \par\smallskip}
+%% But Chris has to mostly disable \href for his TEXPAD app:
+%% \def\href #1{} % Only For Chris' deficient TeX engine
+
+% simple solution right now (just link to the first issue if there are more)
+\def\getfirstgithubissue#1 #2\relax{#1}
+
+\providecommand\sxissue[1]{\ifhmode\unskip\fi
+ \quad\penalty500\strut\nobreak\hfill
+ \mbox{\small\slshape(\url{https://tex.stackexchange.com/#1})}\par}
+
+\providecommand\gnatsissue[2]{\ifhmode\unskip\fi
+ \quad\penalty500\strut\nobreak\hfill
+ \mbox{\small\slshape(%
+ \href{https://www.latex-project.org/cgi-bin/ltxbugs2html?pr=#1\%2F\getfirstgithubissue#2 \relax}%
+ {gnats issue #1/#2}%
+ )}%
+ \par}
+
+\let\cls\pkg
+\providecommand\env[1]{\texttt{#1}}
+\providecommand\acro[1]{\textsc{#1}}
+
+\vbadness=1400 % accept slightly empty columns
+
+
+\makeatletter
+% maybe not the greatest design but normally we wouldn't have subsubsections
+\renewcommand{\subsubsection}{%
+ \@startsection {subsubsection}{2}{0pt}{1.5ex \@plus 1ex \@minus .2ex}%
+ {-1em}{\@subheadingfont\colonize}%
+}
+\providecommand\colonize[1]{#1:}
+\makeatother
+
+\let\finalvspace\vspace % for document layout fixes
+
+% Undo ltnews's \verbatim@font with active < and >
+\makeatletter
+\def\verbatim@font{%
+ \normalsize\ttfamily}
+\makeatletter
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\providecommand\tubcommand[1]{}
+\tubcommand{\input{tubltmac}}
+
+\publicationmonth{June}
+\publicationyear{2022 --- DRAFT version for upcoming release}
+
+\publicationissue{35}
+
+\begin{document}
+
+\tubcommand{\addtolength\textheight{4.2pc}} % only for TUB
+
+\maketitle
+{\hyphenpenalty=10000 \spaceskip=3.33pt \hbadness=10000 \tableofcontents}
+
+\setlength\rightskip{0pt plus 3em}
+
+
+\medskip
+
+
+\section{Introduction}
+
+\section{Document metadata interface}
+
+Until recently there was no dedicated location to declare
+settings that affect a document as a whole. Settings had to be placed
+somewhere in the preamble or as class options or sometimes even as
+package options. For some such settings this may cause issues, e.g.,
+setting the PDF version is only possible as long as the PDF output
+file has not yet been opened which can be caused by loading one or the
+other package.
+
+For the \enquote{\LaTeX{} Tagged PDF project}~\cite{35:blueprint}
+further metadata about the whole document (and its processing) need to
+be specified and again this data should be all placed in a single
+well-defined place.
+
+For this reason we introduce the new command \cs{DocumentMetadata} to
+unify all such settings in one place. The command expects a key/value
+list that describes all document metadata for the current document. It
+is only allowed to be used at the very beginning of the document,
+i.e., the declaration has to be placed \emph{before}
+\cs{documentclass} and will issue an error if found later.
+
+
+At this point in time we only provide the bare command in the format,
+the actual processing of the key/value is defined externally and the
+necessary code will be loaded if the command is used. This scheme is
+chosen for two reasons: by adding the command in the kernel it is
+available to everybody without the need to load a special package
+using \cs{RequirePackage}. The actual processing, though, is external
+so that we can easily extend the code (e.g., offering additional keys
+or changing the internal processing) while the above mentioned project
+is progressing. Both together allows users to immediately benefit from
+intermediate results produced as part of the project, as well as
+offering the \LaTeX{} Project Team the flexibility to enable such
+intermediate results (for test purposes or even production use)
+in-between and independently of regular \LaTeX{} releases. Over time,
+tested and approved functionality can then seamlessly move into the
+kernel at a later stage without any alterations to documents already
+using it. At the same time, not using the new consolidated interface
+means that existing documents are in no way affected by the work that
+is carried out and is in a wider alpha or beta test phase.
+
+Documentation about the new command and
+already existing keys are in \file{l3meta.pdf} and \file{documentmetadata-support.pdf}
+and also in the documentation of the \pkg{pdfmanagement-testphase} package.
+
+
+\section{The \pkg{latex-lab} bundle}
+
+\emph{write about it}
+
+
+
+
+\section{New or improved commands}
+
+\subsection{A kevyal approach to option handling}
+
+The classical \LaTeXe{} method for handling options, using \cs{ProcessOptions},
+treats each entry in the list as a string. Many package authors have sought to
+extend this handling by treating each entry as a key--value pair (keyval)
+instead. To-date, this has required the use of additional packages, for example
+\pkg{kvoptions}.
+
+The \LaTeX{} team have for some time offered the package \pkg{l3keys2e} to
+allow keyvals defined using the L3 programming layer module \pkg{l3keys} to act
+as package options. This ability has now been integrated directly into the
+kernel. As part of this integration, the syntax for processing keyval options
+has been refined, such that
+\begin{verbatim}
+\ProcessKeyOptions
+\end{verbatim}
+will now automatically pick up the package name as the key \emph{family},
+unless explicitly given as an optional argument.
+\begin{verbatim}
+\ProcessKeyOptions[family]
+\end{verbatim}
+A version which does not consider global options,
+\cs{ProcessKeyPackageOptions}, is also available.
+
+To support creating key options in for this mechanism, the new command
+\cs{DeclareKeys} has been added. This works using the same general
+approach as \pkg{l3keys} or \pkg{pgfkeys}: each key has one or more
+\emph{properties} which define its behavior.
+
+Options for packages which use this new approach will not be checked for
+clashes by the kernel. Instead, each time a \cs{usepackage} or
+\cs{RequirePackage} line is encountered, the list of options given will be
+passed to \cs{ProcessKeyPackageOptions}. Options which can only be given
+the first time a package is loaded can be marked using the property
+\texttt{.usage = load}, and will result in a warning if used in a subsequent
+package loading line.
+
+Package options defined in this way can also be set within a package using
+the new command \cs{SetKeys}, which again takes an optional argument
+to specify the \emph{family}, plus a mandatory one for the options themselves.
+
+\subsection{Floating point and integer calculations}
+
+The L3 programming layer offers expandable commands for calculating
+floating point and integer values, but so far these functions have
+only been available to programmers, because they require
+\cs{ExplSyntaxOn} to be in force. To make them easily available at the
+document-level, the small package \pkg{xfp} defined \cs{fpeval} and
+\cs{inteval}.
+
+
+An example of use could be the following:
+\begin{verbatim}
+\LaTeX{} can now compute:
+\[ \frac{\sin (3.5)}{2} + 2\cdot 10^{-3}
+ = \fpeval{sin(3.5)/2 + 2e-3} \]
+\end{verbatim}
+which produces the following output:
+\begin{quote}
+\LaTeX{} can now compute:
+\[ \frac{\sin (3.5)}{2} + 2\cdot 10^{-3}
+ = \fpeval{sin(3.5)/2 + 2e-3} \]
+\end{quote}
+These two commands have now been moved into the kernel and in addition
+we also provide \cs{dimeval} and \cs{skipeval}. The details of their
+syntax are described in \file{usrguide3.pdf}. The command \cs{fpeval}
+offers a rich syntax allows for extensive calculations whereas the
+other three commands are essentially thin wrappers for \cs{numexpr},
+\cs{dimexpr}, and \cs{glueexpr} \Dash therefore inheriting some syntax
+peculiars and limitations in expressiveness.
+\begin{verbatim}
+\newcommand\calulateheight[1]{%
+ \setlength\textheight{\dimeval{\topskip
+ + \baselineskip * \inteval{#1-1}}}}
+\end{verbatim}
+The above, for example, calculates the appropriate \cs{textheight} for
+a given number of text lines.
+%
+\githubissue{711}
+
+
+\subsection{CamelCase commands for changing arguments to csnames}
+
+It is sometimes helpful to \enquote{construct} a command name on the
+fly rather than providing it as a single \cs{...} token. For these
+kind of tasks the \LaTeX3 programming layer offers a general mechanism
+(in form of \cs{exp\_args:N...} and
+\cs{cs\_generate\_variant:Nn}). However, when declaring new
+document-level commands with \cs{NewDocumentCommand} or
+\cs{NewCommandCopy}, etc.\ the L3 programming layer may not be active,
+and even if it is, mixing CamelCase syntax with L3 programming syntax
+is not really a good approach. We have therefore added the commands
+\cs{UseName} and \cs{ExpandArgs} to assist in such
+situations, e.g.,
+\begin{verbatim}
+\NewDocumentCommand\newcopyedit{mO{red}}
+ {\newcounter{todo#1}%
+ \ExpandArgs{c}\NewDocumentCommand{#1}{s m}%
+ {\stepcounter{todo#1}%
+ \IfBooleanTF {##1}%
+ {\todo[color=#2!10]%
+ {\UseName{thetodo#1}: ##2}}%
+ {\todo[inline,color=#2!10]%
+ {\UseName{thetodo#1}: ##2}}%
+ }%
+ }
+\end{verbatim}
+which provides a declaration mechanism for copyedit commands, so that
+\verb=\newcopyedit{FMi}[blue]= then defines \cs{FMi} (and the
+necessary counter).
+
+The command \cs{ExpandArgs} can be useful with the argument \texttt{cc} or
+\texttt{Nc} in
+combination with \cs{NewCommandCopy} if the old or new command name
+or both need constructing. Finally, there is \cs{UseName} which
+takes its argument and turns it into a command (i.e., a CamelCase
+version of \cs{@nameuse} (\LaTeXe) or \cs{use:c} (L3 programming
+layer)) which was also used in the example above.
+%
+\githubissue{735}
+
+
+
+\subsection{???}
+%
+\githubissue{???}
+
+
+\section{Code improvements}
+
+\subsection{\class{ltxdoc} gets a \option{nocfg} option}
+
+The \LaTeX{} sources are formatted with the \class{ltxdoc} class,
+which supports loading a local config file \file{ltxdoc.cfg}. In the
+past the \LaTeX{} sources used such a file but it was not distributed.
+As a result reprocessing the \LaTeX{} sources elsewhere showed
+formatting changes. We now distribute this file which means that it
+is loaded by default. With the option \option{nocfg} this can be
+prevented.
+
+
+\subsection{\pkg{doc} upgraded to version~3}
+
+After roughly three decades the \pkg{doc} package gets a cautious
+uplift, as already announced at the TUG conference 2019\Dash changes
+to \pkg{doc} are obviously always done in a leisurely manner.
+
+Given that most documentation is nowadays viewed on screen,
+\pkg{hyperref} support is added and by default enabled (suppress it
+with option \option{nohyperref} or alternatively with
+\option{hyperref}\texttt{=false}) so the internal cross-reference are
+properly resolved including those from the index back into the
+document.
+
+Furthermore, \pkg{doc} has now a general mechanism to define
+additional \enquote{doc} elements besides the two \texttt{Macro} and
+\texttt{Env} it did know in the past. This enables better
+documentation because you can now clearly mark different types of
+objects instead of simply calling them all \enquote{macros}.
+If desired, they can be collected together under a heading
+in the index so that you have a section just with your document
+interface commands, or with all parameters, or \ldots
+
+The code borrows ideas from Didier Verna's \pkg{dox} package (although
+the document level interface is different) and it makes use of Heiko
+Oberdiek's \pkg{hypdoc} package, which at some point in the future
+will be completely integrated, given that its whole purpose it to
+patch \pkg{doc}'s internal commands to make them \pkg{hyperref}-aware.
+
+All changes are expected to be upward compatible, but if you run into
+issues with older documentation using \pkg{doc} a simple and quick
+solution is to load the package as follows:
+\verb/\usepackage{doc}[=v2]/
+
+\subsection{\pkg{doc} can now show dates in change log}
+
+Up to now the change log was always sorted by version numbers
+(ignoring the date that was given in the \cs{changes} command). It
+can now be sorted by both version and date if you specify the option
+\option{reportchangedates} on package level and in that case the
+changes are displayed with
+\begin{quote}
+ \meta{version} -- \meta{date}
+\end{quote}
+as the heading (instead of just \meta{version}), when using
+\cs{PrintChanges}.
+%
+\githubissue{gh/531}
+
+
+
+\subsection{Lua\TeX\ callback improvements}
+
+The Lua\TeX\ callbacks \texttt{hpack\_quality} and \texttt{vpack\_quality} are
+now \texttt{exclusive} and therefore only allow a single handler.
+The previous type \texttt{list} resulted in incorrect parameters when multiple
+handlers were set, therefore this only makes an existing restriction more
+explicit.
+
+Additionally the return value \texttt{true} for \texttt{list}
+callbacks is now handled internally and no longer passed on to the
+engine. This simplifies the handling of these callbacks and makes it
+easier to provide consistent interfaces for user defined \texttt{list}
+callbacks.
+
+
+\subsection{Class \class{proc} supports \option{twoside}}
+
+The document class \class{proc}, which is a small variation on the
+\class{article} class, now supports the \option{twoside} option
+displaying different data in the footer line on recto and verso pages.
+%
+\githubissue{gh/704}
+
+
+\subsection{Croatian character support}
+
+The default \pkg{inputenc} support has been extended to support the 9 characters
+D\v Z, D\v z, d\v z, LJ, Lj, lj, NJ, Nj, nj, input as single UTF-8 codepoints
+in the range U+01C4 to U+01CC.
+%
+\githubissue{gh/723}
+
+
+\subsection{Cleanup of the Unicode declaration interface}
+
+When declaring encoding specific commands for the Unicode (TU)
+encoding some declarations (e.g., \cs{DeclareUnicodeComposite}) do not
+have an explicit argument for the the encoding name, but instead use
+the command \cs{UnicodeEncodingName} internally. There was one
+exception though: \cs{DeclareUnicodeAccent} required an explicit
+encoding argument. This inconsistency has now been removed and the
+encoding name is always implicit. To avoid a breaking change for a few
+packages on CTAN \cs{DeclareUnicodeAccent} still accepts three
+arguments if the second argument is \texttt{TU} or
+\cs{UnicodeEncodingName}. Once all packages have been updated this
+code branch will get removed.
+
+At the same time we added \cs{DeclareUnicodeCommand} and
+\cs{DeclareUnicodeSymbol} for consistency. They also use
+\cs{UnincodeEncodingName} internally, instead of requiring an encoding
+argument as their general purpose counterparts do.
+%
+\githubissue{253}
+
+
+
+\subsection{???}
+%
+\githubissue{???}
+
+
+\section{Bug fixes}
+
+\subsection{Using \cs{DeclareUnicodeCharacter} with C1 control points}
+An error in the UTF-8 handling for non-Unicode \TeX, has prevented
+\cs{DeclareUnicodeCharacter} being used with characters in the range
+hex 80 to 9F, this has been corrected in this release.
+%
+\githubissue{730}
+
+
+
+\subsection{Fix \cs{ShowCommand} when used with \pkg{ltcmd}}
+
+When \cs{ShowCommand} support was added for \pkg{ltcmd} in the previous
+release~\cite{35:ltnews34}, a blunder in the code made it so that
+when \cs{ShowCommand} was used on a command defined with \pkg{ltcmd}, it
+only printed the meaning of the command in the terminal, but didn't stop
+for interaction as it does elsewhere (mimicking \cs{show}). The issue
+is now fixed.
+%
+\githubissue{739}
+
+
+
+
+\section{Changes to packages in the \pkg{amsmath} category}
+
+\subsection{???}
+%
+\githubissue{???}
+
+
+\section{Changes to packages in the \pkg{graphics} category}
+
+\subsection{Color in formulas}
+
+While it is possible to color parts of a formula using \cs{color}
+commands the approach is fairly cumbersome. For example, to color an
+summation sign, but not its limits, you need four \cs{color} commands and
+some seemingly unnecessary set of braces to get coloring and spacing
+right:
+\begin{verbatim}
+\[ X = \color{red} \sum
+% without {{ the superscript below is misplaced
+ _{{\color{black} i=1}}
+% without {{ the \sum is black
+ ^{{\color{black} n}}
+ \color{black} % without it the x_i is red
+ x_i \]
+\end{verbatim}
+Leave out any of the \cs{color} commands or any of the \verb={{...}}=
+will give you a wrong result instead of the desired
+\[ X = \color{red} \sum
+ _{{\color{black} i=1}} % without {{ the superscript is misplaced
+ ^{{\color{black} n}} % without {{ the \sum is black
+ \color{black} % without it the x_i is red
+ x_i
+\]
+So even if this is possible, it is not a very practical solution and
+furthermore there are a number of cases where it is impossible to
+color a certain part of a formula, for example, an opening symbol such
+as \verb=\left(= but not the corresponding \verb=\right)=.
+
+We have therefore added the command \cs{mathcolor} to the \pkg{color}
+and \pkg{xcolor} package, which has the same syntax as \cs{textcolor},
+but is specially designed for use in math and handles sub and
+superscripts and other aspects correctly and preserves correct
+spacing. Thus, the above example can now be written as
+\begin{verbatim}
+\[ X = \mathcolor{red}{\sum}_{i=1}^n x_i \]
+\end{verbatim}
+For details and further examples, see \file{mathcolor.pdf}.
+
+
+\subsection{???}
+%
+\githubissue{???}
+
+
+
+\section{Changes to packages in the \pkg{tools} category}
+
+\subsection{\pkg{multicol}: Fix \cs{newcolumn}}
+
+The recently added \cs{newcolumn} didn't work properly if used in
+vertical mode, where it behaved like \cs{columnbreak}, i.e., spreading
+the column material out instead running the column short.
+%
+\sxissue{q/624940}
+
+
+\subsection{\pkg{bm}: Fix for \pkg{amsmath} operators}
+
+An internal command used in the definition of operator commands such
+as \cs{sin} in \pkg{amsmath} has been guarded in \cs{bm} to prevent
+internal syntax errors due to premature expansion.
+%
+\githubissue{744}
+
+
+
+\medskip
+
+\begin{thebibliography}{9}
+
+\fontsize{9.3}{11.3}\selectfont
+
+\bibitem{35:blueprint} Frank Mittelbach and Chris Rowley:
+ \emph{\LaTeX{} Tagged PDF \Dash A blueprint for a large project}.\\
+ \url{https://latex-project.org/publications/indexbyyear/2020/}
+
+\bibitem{35:source2e}
+ \emph{\LaTeX{} documentation on the \LaTeX{} Project Website}.\\
+ \url{https://latex-project.org/help/documentation/}
+
+\bibitem{35:ltnews31} \LaTeX{} Project Team:
+ \emph{\LaTeXe{} news 31}.\\
+ \url{https://latex-project.org/news/latex2e-news/ltnews31.pdf}
+
+\bibitem{35:ltnews32} \LaTeX{} Project Team:
+ \emph{\LaTeXe{} news 32}.\\
+ \url{https://latex-project.org/news/latex2e-news/ltnews32.pdf}
+
+\bibitem{35:ltnews33} \LaTeX{} Project Team:
+ \emph{\LaTeXe{} news 33}.\\
+ \url{https://latex-project.org/news/latex2e-news/ltnews33.pdf}
+
+\bibitem{35:ltnews34} \LaTeX{} Project Team:
+ \emph{\LaTeXe{} news 34}.\\
+ \url{https://latex-project.org/news/latex2e-news/ltnews34.pdf}
+
+\end{thebibliography}
+
+
+
+\end{document}
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltpara-code.pdf b/Master/texmf-dist/doc/latex-dev/base/ltpara-code.pdf
index 3bf225ee5c3..594234c3082 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltpara-code.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltpara-code.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.pdf b/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.pdf
index aae32c908ae..a13c61f0e6e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.tex b/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.tex
index c3892b8180d..f3a51bbd2ea 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltpara-doc.tex
@@ -2,5 +2,6 @@
\AtBeginDocument{\OnlyDescription
\let\tableofcontents\relax
+ \RenewCommandCopy\MaybeStop\StopEventually
}
\input{ltpara.dtx}
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltshipout-code.pdf b/Master/texmf-dist/doc/latex-dev/base/ltshipout-code.pdf
index 0d2c86e03f5..5c37e40e02c 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltshipout-code.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltshipout-code.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.pdf b/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.pdf
index fc51162b244..c5df9ae53c7 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.tex b/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.tex
index 33f87d88621..4cca5e9cbe7 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltshipout-doc.tex
@@ -3,5 +3,6 @@
\AtBeginDocument{\OnlyDescription
% \let\tableofcontents\relax
+ \RenewCommandCopy\MaybeStop\StopEventually
}
\input{ltshipout.dtx}
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltx3info.pdf b/Master/texmf-dist/doc/latex-dev/base/ltx3info.pdf
index 345556db0e9..4f23908f578 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltx3info.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltx3info.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltx3info.tex b/Master/texmf-dist/doc/latex-dev/base/ltx3info.tex
index 2a376f64311..13231da8180 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltx3info.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/ltx3info.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/ltxdoc.pdf b/Master/texmf-dist/doc/latex-dev/base/ltxdoc.pdf
index 0ab58522f86..65cae4bc53d 100644
--- a/Master/texmf-dist/doc/latex-dev/base/ltxdoc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/ltxdoc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/makeindx.pdf b/Master/texmf-dist/doc/latex-dev/base/makeindx.pdf
index 22f2af62c6f..a35431c6716 100644
--- a/Master/texmf-dist/doc/latex-dev/base/makeindx.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/makeindx.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/manifest.txt b/Master/texmf-dist/doc/latex-dev/base/manifest.txt
index f6afcccce78..b671200a3a6 100644
--- a/Master/texmf-dist/doc/latex-dev/base/manifest.txt
+++ b/Master/texmf-dist/doc/latex-dev/base/manifest.txt
@@ -1,5 +1,5 @@
%
-% The following files form the LaTeX2e distribution of 2020-10-01
+% The following files form the LaTeX2e distribution
%
%
% CONTENTS OF THE LaTeX DISTRIBUTION
@@ -11,10 +11,6 @@
% README.md -- The distribution guide. START BY READING THIS FILE
% manifest.txt -- This file.
%
-% tex2.txt -- Extras for installing LaTeX on TeX2.
-%
-% texpert.txt -- Documentation for TeX experts.
-%
% legal.txt -- Copyright notice; warranty; copying conditions.
% lppl.txt -- The LaTeX Project Public License (current version).
% lppl-1-0.txt -- The LaTeX Project Public License (version 1.0).
@@ -72,6 +68,9 @@
% ltnews30.tex -- What was new in the release dated 2019/10.
% ltnews31.tex -- What was new in the release dated 2020/02.
% ltnews32.tex -- What was new in the release dated 2020/10.
+% ltnews33.tex -- What was new in the release dated 2021/06.
+% ltnews34.tex -- What was new in the release dated 2021/11.
+% ltnews35.tex -- What was new in the release dated 2022/06.
%
% ltx3info.tex -- Information about the LaTeX3 project.
@@ -139,6 +138,8 @@
% lthooks.dtx -- Hook management
% ltfilehook.dtx -- Hook management for file loading
% ltshipout.dtx -- Hook management for \shipout
+% ltcmdhooks.dtx -- Hook management (generic) for commands
+% ltpara.dtx -- Hook management for paragraphs
%
% Standard Classes:
% -----------------
@@ -186,7 +187,7 @@
% doc.dtx -- Package for self documenting code.
% docstrip.dtx -- Module for removing comments.
% ltxdoc.dtx -- Class file for printing documentation.
-% doc-v3beta.sty -- New version of doc, current for internal use only.
+% ltxdoc.cfg -- config file to format the LaTeX sources.
%
%
% Installation scripts for the various parts:
diff --git a/Master/texmf-dist/doc/latex-dev/base/modguide.pdf b/Master/texmf-dist/doc/latex-dev/base/modguide.pdf
index e425b8a075f..4dab73b2ab2 100644
--- a/Master/texmf-dist/doc/latex-dev/base/modguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/modguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/modguide.tex b/Master/texmf-dist/doc/latex-dev/base/modguide.tex
index 15aad3358f5..b0651da0a5b 100644
--- a/Master/texmf-dist/doc/latex-dev/base/modguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/modguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/nfssfont.pdf b/Master/texmf-dist/doc/latex-dev/base/nfssfont.pdf
index 8737c708f24..1148a19767b 100644
--- a/Master/texmf-dist/doc/latex-dev/base/nfssfont.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/nfssfont.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/proc.pdf b/Master/texmf-dist/doc/latex-dev/base/proc.pdf
index 4dfc3ba6457..0e238c067bb 100644
--- a/Master/texmf-dist/doc/latex-dev/base/proc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/proc.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/slides.pdf b/Master/texmf-dist/doc/latex-dev/base/slides.pdf
index 328a87af8a1..add1f4592e0 100644
--- a/Master/texmf-dist/doc/latex-dev/base/slides.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/slides.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/slifonts.pdf b/Master/texmf-dist/doc/latex-dev/base/slifonts.pdf
index 21c53533bee..894aead8ff6 100644
--- a/Master/texmf-dist/doc/latex-dev/base/slifonts.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/slifonts.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/source2e.pdf b/Master/texmf-dist/doc/latex-dev/base/source2e.pdf
index f1dd97c296d..bd750e892f6 100644
--- a/Master/texmf-dist/doc/latex-dev/base/source2e.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/source2e.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/source2e.tex b/Master/texmf-dist/doc/latex-dev/base/source2e.tex
index abe8c1aac20..9eea9ddd0f7 100644
--- a/Master/texmf-dist/doc/latex-dev/base/source2e.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/source2e.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
@@ -264,6 +264,8 @@ page_precedence "rnaA"
\DocInclude{ltpara} % Paragraph hooks (L3 module)
+ \DocInclude{ltmeta} % Document Metadara interface (L3 module)
+
\DocInclude{ltspace} % Spacing, line and page breaking.
\DocInclude{ltlogos} % Logos.
@@ -326,6 +328,8 @@ page_precedence "rnaA"
\DocInclude{ltclass} % Package & Class interface
+ \DocInclude{ltkeys} % Key-based option management (L3 module)
+
\DocInclude{ltfilehook} % Hook management for files (L3 module)
\DocInclude{ltshipout}% \shipout redefinition (L3 module)
diff --git a/Master/texmf-dist/doc/latex-dev/base/syntonly.pdf b/Master/texmf-dist/doc/latex-dev/base/syntonly.pdf
index 8d67df1a00e..47b7e2517b3 100644
--- a/Master/texmf-dist/doc/latex-dev/base/syntonly.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/syntonly.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/tex2.txt b/Master/texmf-dist/doc/latex-dev/base/tex2.txt
deleted file mode 100644
index 09cd388cde5..00000000000
--- a/Master/texmf-dist/doc/latex-dev/base/tex2.txt
+++ /dev/null
@@ -1,83 +0,0 @@
- LaTeX installation TeX2 information
-
- 16 September 1995
-
-
-In order to make a LaTeX format and use it you need, in addition to
-the LaTeX source files, a TeX implementation.
-
-If your TeX is very old, prior to version TeX3, then certain features
-will be missing from your system. In particular, you will probably
-have no support for `8-bit' input and hyphenation of words with
-accented characters.
-
-Most (perhaps all) TeX implementations are available in versions that
-are at least as recent as TeX3 (released in 1989) so the best course
-of action is to update your TeX installation before building LaTeX.
-
-However, if you must for some reason make the LaTeX format by running
-the old TeX2 then it is necessary to have a `configuration file' named
-fonttext.cfg. The existence of this file will prevent LaTeX trying to
-access 8-bit characters, which is not allowed in the old TeX2 version
-of TeX.
-
-If you fail to use such a configuration file, LaTeX will detect that it
-is running under TeX2 and stop with the following message (without
-making a format file):
-
-*************************************
-*
-* You MUST use a fonttext.cfg file!
-* As you are still using TeX2!!!!!!
-*
-* See the documentation file tex2.txt
-*
-*************************************
-
-
-There is more information about the file fonttext.cfg in the file
-cfgguide.tex; but for a minimal configuration that allows LaTeX to
-be built on TeX2, just do the following:
-
- * Copy the standard fonttext.ltx file to fonttext.cfg
- * Then edit the file fonttext.cfg as follows:
- -- Change the \ProvidesFile call (see below).
- -- Comment out all the lines referring to the `T1' encoding (but not
- those referring to the `OT1' encoding).
-
-Thus the resulting file will look something like the following.
-
-%%% File: fonttext.cfg
-\ProvidesFile{fonttext.cfg}
- [1995/06/05 v1.0 TeX2 text font setup]
-
-\input {OMLenc.def}
-%%%%% NOT FOR TeX2 \input {T1enc.def}
-\input {OT1enc.def} % <- should come after T1 for speed
-\input {OMSenc.def}
-\fontencoding{OT1}
-\DeclareFontEncodingDefaults{}{}
-%%%%% NOT FOR TeX2 \DeclareFontSubstitution{T1}{cmr}{m}{n}
-\DeclareFontSubstitution{OT1}{cmr}{m}{n}
-%%%%% NOT FOR TeX2 \input {T1cmr.fd}
-\input {OT1cmr.fd}
-\input {OT1cmss.fd}
-\input {OT1cmtt.fd}
-\DeclareErrorFont{OT1}{cmr}{m}{n}{10}
-\newcommand\rmdefault{cmr}
-\newcommand\sfdefault{cmss}
-\newcommand\ttdefault{cmtt}
-
-\newcommand\bfdefault{bx}
-\newcommand\mddefault{m}
-
-\newcommand\itdefault{it}
-\newcommand\sldefault{sl}
-\newcommand\scdefault{sc}
-\newcommand\updefault{n}
-
-\newcommand\encodingdefault{OT1}
-\newcommand\familydefault{\rmdefault}
-\newcommand\seriesdefault{\mddefault}
-\newcommand\shapedefault{\updefault}
-\endinput
diff --git a/Master/texmf-dist/doc/latex-dev/base/texpert.txt b/Master/texmf-dist/doc/latex-dev/base/texpert.txt
deleted file mode 100644
index 0eb1dd77845..00000000000
--- a/Master/texmf-dist/doc/latex-dev/base/texpert.txt
+++ /dev/null
@@ -1,210 +0,0 @@
- LaTeX installation TeX expert information
-
- 1 June 1997
-
-
-SUMMARY
-=======
-
-This document contains information about the LaTeX installation for
-TeX experts. In particular it describes:
-
- * The checks performed by ltxcheck.tex
-
- * How to print the LaTeX source.
-
-For more general information, see install.txt.
-
-For information on configuring LaTeX see cfgguide.tex.
-
-
-THE LTXCHECK.TEX CHECKS
-=======================
-
-Here is a description of the checks run by ltxcheck.
-
-1) The \@currdir check.
-
- It is useful for LaTeX to know the syntax for the `current directory
- (or folder)', or `default directory', if the operating system has
- such a concept.
-
- For example, file abc.tex in this directory, or folder, is specified
- by:
- ./abc.tex on Unix and most DOS/OS2 TeX's,
- []abc.tex on VMS
- :abc.tex on a Macintosh.
- The above possibilities will be found automatically during the
- installation. However, if none of these syntaxes works on your
- system then the internal macro \@currdir will be set to be empty
- and ltxcheck will report this.
-
- If your system does have a notion of a current directory, you can
- define \@currdir in the file texsys.cfg.
-
- You could also report this to the latex-bug address, so that
- later releases can automatically cope with your system.
-
-2) The file name parser check.
- \filename@parse may be defined in texsys.cfg if the default
- installation does not define a suitable parser. (In fact no widely
- used TeX system should need such a re-definition as the standard
- installation should correctly define this command for unix, dos,
- atari, VMS, and Macintosh, at least.)
- Because of differences in directory syntax, most features of this
- command can not be checked in a portable way, however ltxcheck does
- check that at least {article.cls} is correctly parsed as base name
- article and extension cls.
-
-3) The \input@path check.
-
- On some systems TeX cannot check whether a file exists before
- trying to input it, unless the filename is expressed as a full path
- name, including the directory. On these systems LaTeX needs to be
- given a list of directories in which to look for files; the
- internal macro \input@path holds this information.
-
- When run, ltxcheck will try to locate the file article.cls.
- If it fails to find this file (and you have placed it in the
- `standard input directory') then you must define \input@path in
- the file texsys.cfg.
-
- The files texsys.cfg and ltdirchk.dtx contain examples of how to do
- this but only you know the directories and syntax that should be used
- for your installation.
-
- We hope to build up a better collection of examples in future
- releases of LaTeX, as it is tested on more TeX systems.
-
-4) TeX version check.
-
- The next check tests that you are running a recent version of TeX.
- If ltxcheck reports that you have TeX2, then you should try to
- upgrade TeX (and rebuild LaTeX) as soon as possible. LaTeX may be
- used with TeX2, but certain features will be missing and you will
- not be able to use the new (8-bit) font families that are now
- available. If you must stick with TeX2, please read the extra
- information in the file tex2.txt.
-
- If ltxcheck reports that your TeX version is older than 3.141, you
- will see some strange messages during the installation. This is
- because earlier versions of TeX printed certain line-breaks in
- messages on the terminal as `^^J' rather than starting a new line.
-
- LaTeX will work round this bug and thus avoid `^^J' appearing in
- error messages, but you should upgrade your TeX as soon as
- possible, as other bugs have been fixed, not just line breaks in
- messages.
-
- At the present time (2005) the current TeX version is 3.141592.
-
-5) Fonts check.
-
- Finally ltxcheck.tex tests to see if it can find a `representative
- sample' of the fonts used by LaTeX.
-
- Fonts that may cause problems are:
- a) The circle fonts. These were renamed some years ago from circle*
- to lcircle*, although some sites still have them under the old
- name. Also the names are longer than 8 letters which may cause
- some problems.
- b) The `extra Computer Modern' fonts. The American Mathematical
- Society has extended the range of sizes available in the
- Computer Modern fonts. LaTeX now assumes that these extra cm
- fonts are available.
- The fonts are available from a CTAN archive, in the directory
- ctan:macros/latex/fonts or alternatively as part of the
- AMS fonts collection, which also includes many useful
- mathematical fonts.
- c) The `T1 encoded Computer Modern' fonts. This is the ec or dc font
- collection. The new (1995) release 1.2 of the dc fonts changed
- most of the file names. For this reason the fd files such as
- t1cmr.fd cannot be written to work with the dc fonts of different
- releases. LaTeX by default unpacks the fd files for the ec
- dc fonts.
- If you have an older release of the dc fonts and do not wish to
- upgrade then you should unpack the necessary fd files by running
- LaTeX on the file olddc.ins (dc older than version 1.2) or
- newdc.ins (version 1.2 and 1.3).
- As the T1 fd files will have been used when making the format,
- you must re-run initex latex.ltx to remake the format if you
- update the fd files in this way.
- Running ltxcheck will produce a ! BAD LaTeX2e system!! error
- message if it detects that the `new' fd files are loaded into
- the format, but only the old dc fonts are available, and vice
- versa.
- If the old fonts are detected, and the `old' fd files are loaded
- then no error is generated, but a message suggesting that you
- upgrade is produced.
- The ec fonts are available from a CTAN archive, in the directory
- ctan:fonts/ec .
-
-
-6) Files check.
-
- Finally ltxcheck checks that the main TeX input files that LaTeX
- will use when running documents (such as the article class file,
- fd files, and main packages such as fontenc) are all available.
-
-
-DOCUMENTATION OF THE CODE
-=========================
-
-Most of the documentation is nowadays available as precomplied PDF
-files. This section describes how to produce typeset code
-documentation yourself from the source.
-
-To typeset a documented code file (a .dtx file) you simply run LaTeX
-on it. The file source2e.tex is a master file which produces the
-documented code for the whole LaTeX kernel (but not the standard
-packages, classes, or compatibility mode). You need to have LaTeX2e
-installed before doing this.
-
-To configure the appearance of this documentation, you can use a
-ltxdoc.cfg file. For example, putting the following line into this
-file will format the documentation for A4 paper:
-
- \PassOptionsToClass{a4paper}{article}
-
-The doc package, which is used by the documentation files, writes
-index files and change-history files that can be processed by the
-program MakeIndex. If this program is part of your TeX installation,
-you can get an index and history listing for a documentation file
-by running the .idx and .glo files through this program.
-
-For example, in Unix MakeIndex, you should say:
-
- makeindex -s gind.ist FILENAME
- makeindex -s gglo.ist -o FILENAME.gls FILENAME.glo
-
-source2e.tex needs a special source2e.ist file (in place of gind.ist).
-Running makeindex will produce some warning messages about ignored
-style specifiers; these can be safely ignored.
-
-See the comments at the end of source2e.tex for more information.
-
-
-CONFIGURING LaTeX
-=================
-
-In addition to the system-dependent customisation in texsys.cfg,
-various other parts of LaTeX can be configured to suit local needs.
-Further details can be found in the document cfgguide.tex. We
-recommend that you install the standard system before attempting any
-further customisation.
-
-If you are thinking of making other changes to LaTeX, please read the
-document modguide.tex as it describes the precautions you need to take
-when making modifications in order to ensure that standard LaTeX
-remains a stable, maintainable system.
-
-
-FURTHER INFORMATION
-===================
-
-You will find further information about various aspects of LaTeX in
-the distributed files with names <*>guide.tex. You will need
-to install the new version before you can typeset these files.
-
-
---- Copyright (C) 1995-2019 the LaTeX Project. All rights reserved ---
diff --git a/Master/texmf-dist/doc/latex-dev/base/tlc2.err b/Master/texmf-dist/doc/latex-dev/base/tlc2.err
index 46ba9ed8451..8925a8bee1e 100644
--- a/Master/texmf-dist/doc/latex-dev/base/tlc2.err
+++ b/Master/texmf-dist/doc/latex-dev/base/tlc2.err
@@ -1,4 +1,4 @@
-\newcommand\erratafiledate{2014-09-30}
+\newcommand\erratafiledate{2022-01-03}
\def\comando#1{\texttt{\string#1}}
@@ -852,6 +852,9 @@ highlighting color\u{ as demonstrated below}:
\erroronpage{116}{Footnote 1, line 1}{CBC}{2004/05/18}{2}
Replace: ``I managed to confuse'' with ``we managed to confuse''.
+\erroronpage{117}{para 1, l.1}{EOl}{2022/01/02}{}
+ Missing letter: ``to cho\u{o}se''
+
\erroronpage{117}{para 2, l.2}{HjG}{2004/05/25}{2}
Missing letter: ``It take\u{s} two \ldots''
@@ -2233,6 +2236,10 @@ Change: ``The unaccented ASCII Latin letters and Arabic
Various deviations from alphabetical sort order of the table
entries.
+\erroronpage{553}{para 3, l.1}{EOl}{2022/01/02}{}
+ Missing letter: ``sup\u{p}ressing''
+
+
\iffalse % more blue align stuff
\erroronpage{534}{page}{FMi}{2004/04/23}{}
Printing problem: blue color not properly aligned (horizontally).
@@ -2313,7 +2320,7 @@ Plural: ``Clearly, 8 bits \u{are} not sufficient\ldots''
\erroronpage{551}{tab 9.3}{CBe}{2004/07/27}{}
I am surprised that in Russian there is no word for ``Glossary''.
- Frank: It most certainly exits :-), but right now Babel doesn't
+ Frank: It most certainly exists :-), but right now Babel doesn't
know about it---so there is nothing we can do about it at the
moment. Actually the same problem exists with Polish, although here
I got a translation ``s\l{}ownik termin\'ow'' which will eventually
@@ -2715,6 +2722,9 @@ some of the listed drivers are only of historical interest.
\erroronpage{616}{boxed texts}{FMi}{2004/05/26}{2}
Corrections as outlined in summary entry above.
+\erroronpage{617}{Fig. 10-2-2}{EOl}{2021/11/17}{}
+ A ``|%|'' should follow the ending ``|}|'' of the two |\bluefbox|es.
+
\erroronpage{618}{boxed text}{CAR}{2004/05/26}{2}
Replace: ``\textit{key val list}'' \> ``\textit{key/val-list}''
(also in following text).
@@ -2740,6 +2750,9 @@ some of the listed drivers are only of historical interest.
%\erroronpage{621}{page}{FMi}{2004/04/23}{}
% Printing problem: blue color not properly aligned.
+\erroronpage{621}{Fig. 10-2-8}{EOl}{2021/11/17}{}
+ A ``|%|'' should follow the ending ``|}|'' of the first |\bluefbox|.
+
\erroronpage{623}{para 1, l.7}{HjG}{2004/06/07}{2}
Delete word: ``some \u{of} key combinations''
@@ -2752,7 +2765,7 @@ some of the listed drivers are only of historical interest.
\u{\texttt{tabular}} examples''
\erroronpage{631}{para.2, l.6}{FMi/HjG}{2006/10/22}{s}
- Ersetze: "`\u{This point} is shown \ldots"' \>
+ Replace: "`\u{This point} is shown \ldots"' \>
"`\u{This} is shown \ldots"'
\erroronpage{631}{para -1, l.-1}{JBr}{2004/08/02}{2}
@@ -4547,6 +4560,7 @@ and
\contributor{DHL}{Dan Luecking}
\contributor{DIs}{Daniel Isaacson}
\contributor{DSch}{Dirk Schlimm}
+\contributor{EOl}{Edgar Olthof}
\contributor{ERy}{Elizabeth Ryan}
\contributor{FHa}{Ferdy Hanssen}
\contributor{FMi}{Frank Mittelbach}
@@ -4621,7 +4635,7 @@ preferably in a form usable directly in this file, i.e.,
\begin{flushleft}
|\erroronpage{|\textit{page-number}|}{|\textit{line-identification}|}{|%
\textit{your-initials}|}{|\textit{date}|}{}| \\
- \hspace*{2em}\textit{description of the the erratum}
+ \hspace*{2em}\textit{description of the erratum}
\end{flushleft}
Here is an example:
\begin{verbatim}
diff --git a/Master/texmf-dist/doc/latex-dev/base/tlc2.pdf b/Master/texmf-dist/doc/latex-dev/base/tlc2.pdf
index 58ae5264acd..06731d0a9d6 100644
--- a/Master/texmf-dist/doc/latex-dev/base/tlc2.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/tlc2.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/tulm.pdf b/Master/texmf-dist/doc/latex-dev/base/tulm.pdf
index 023c70c0b02..4d5c375eb98 100644
--- a/Master/texmf-dist/doc/latex-dev/base/tulm.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/tulm.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/usrguide.pdf b/Master/texmf-dist/doc/latex-dev/base/usrguide.pdf
index 6dc20a37df2..59e77110199 100644
--- a/Master/texmf-dist/doc/latex-dev/base/usrguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/usrguide.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/usrguide.tex b/Master/texmf-dist/doc/latex-dev/base/usrguide.tex
index a94d8a6a70c..dfdf9443e65 100644
--- a/Master/texmf-dist/doc/latex-dev/base/usrguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/usrguide.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
diff --git a/Master/texmf-dist/doc/latex-dev/base/usrguide3.pdf b/Master/texmf-dist/doc/latex-dev/base/usrguide3.pdf
index a051df898c9..11da2b74b8a 100644
--- a/Master/texmf-dist/doc/latex-dev/base/usrguide3.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/usrguide3.pdf
Binary files differ
diff --git a/Master/texmf-dist/doc/latex-dev/base/usrguide3.tex b/Master/texmf-dist/doc/latex-dev/base/usrguide3.tex
index 82c1c068630..249b708943c 100644
--- a/Master/texmf-dist/doc/latex-dev/base/usrguide3.tex
+++ b/Master/texmf-dist/doc/latex-dev/base/usrguide3.tex
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2020-2021
+% Copyright (C) 2020-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
@@ -31,12 +31,13 @@
\documentclass{ltxguide}
\usepackage[T1]{fontenc} % needed for \textbackslash in tt
+\usepackage{csquotes}
\title{New \LaTeX\ methods for authors (starting 2020)}
-\author{\copyright~Copyright 2020-2021, \LaTeX\ Project Team.\\
+\author{\copyright~Copyright 2020-2022, \LaTeX\ Project Team.\\
All rights reserved.}
-\date{2021-06-11}
+\date{2022-01-03}
\NewDocumentCommand\cs{m}{\texttt{\textbackslash\detokenize{#1}}}
\NewDocumentCommand\marg{m}{\arg{#1}}
@@ -48,6 +49,18 @@
\renewcommand \verbatim@font {\normalfont \ttfamily}
\makeatother
+
+% for fpeval documentation
+
+\providecommand\fpop[1]{\mathop{\texttt{#1}}}
+\providecommand\fpbin[1]{\mathbin{\texttt{#1}}}
+\providecommand\fprel[1]{\mathrel{\texttt{#1}}}
+\providecommand\nan{\texttt{NaN}}
+
+\ExplSyntaxOn
+\ProvideExpandableDocumentCommand \fpeval { m } { \fp_eval:n {#1} }
+\ExplSyntaxOff
+
\begin{document}
\maketitle
@@ -227,6 +240,11 @@ defined.
same name. This should be used sparingly.
\end{itemize}
+If the \meta{cmd} can't be provided as a single token but needs
+\enquote{constructing}, you can use \cs{ExpandArgs} as explained in
+Section~\ref{sec:preconstructing-csnames} which also gives an example
+in which this is needed.
+
\begin{decl}
|\NewDocumentEnvironment| \arg{env} \arg{arg spec} \arg{beg-code} \arg{end-code} \\
|\RenewDocumentEnvironment| \arg{env} \arg{arg spec} \arg{beg-code} \arg{end-code} \\
@@ -288,7 +306,7 @@ must exist). So after
\end{verbatim}
the user input |\foo{arg1}[arg2]{arg3}| and \verb*|\foo{arg1} [arg2] {arg3}|
will both be parsed in the same way.
-
+
The behavior of optional arguments \emph{after} any mandatory arguments is
selectable. The standard settings will allow spaces here, and thus with
\begin{verbatim}
@@ -554,10 +572,12 @@ spaces are trimmed at both ends of the body: in the example there would
otherwise be spaces coming from the ends the lines after |[\itshape]| and
|world!|. Putting the prefix |!| before \texttt{b} suppresses space-trimming.
-When \texttt{b} is used in the argument specification, the last argument of the environment declaration (e.g., \cs{NewDocumentEnvironment}), which consists of an \meta{end code} to insert at
-|\end|\marg{environment}, is redundant since one can simply put that code at
-the end of the \meta{start code}. Nevertheless this (empty) \meta{end code}
-must be provided.
+When \texttt{b} is used in the argument specification, the last
+argument of the environment declaration (e.g.,
+\cs{NewDocumentEnvironment}), which consists of an \meta{end code} to
+insert at |\end|\marg{environment}, is redundant since one can simply
+put that code at the end of the \meta{start code}. Nevertheless this
+(empty) \meta{end code} must be provided.
Environments that use this feature can be nested.
@@ -665,7 +685,7 @@ with both calls to the command seeing the delimiter |\x|.
\subsection{Creating new argument processors}
\begin{decl}
- |\ProcessedArgument|
+ |\ProcessedArgument|
\end{decl}
Argument processors allow manipulation of a grabbed argument before it is
passed to the underlying code. New processor implementations may be created
@@ -710,4 +730,280 @@ requested \meta{function} or \meta{environment} at the terminal. If
the \meta{function} or \meta{environment} has no known argument
specification then an error is issued.
+
+
+\section{Copying and showing (robust) commands}
+
+If you want to (slightly) alter an existing command you may want to
+save the current definition under a new name and then use that in a
+new definition. If the existing command is robust, then the old trick of
+using the low-level \cs{let} for this doesn't work, because it only
+copies the top-level definition, but not the part that actually does
+the work. As most \LaTeX{} commands are nowadays robust, \LaTeX{}
+now offers some high-level declarations for this instead.
+
+However, please note that it is usually better to make use of
+available hooks (e.g., the generic command or environment hooks),
+instead of copying the current definition and thereby freezing it; see
+the hook management documentation \texttt{lthooks-doc.pdf} for
+details.
+
+\begin{decl}
+ |\NewCommandCopy| \arg{cmd} \arg{existing-cmd} \\
+ |\RenewCommandCopy| \arg{cmd} \arg{existing-cmd} \\
+ |\DeclareCommandCopy| \arg{cmd} \arg{existing-cmd}
+\end{decl}
+
+This copies the definition of \meta{existing-cmd} to \meta{cmd}. After
+this \meta{existing-cmd} can be redefined and \meta{cmd}
+still works! This allows you to then provide a new definition for
+\meta{existing-cmd} that makes use of \meta{cmd} (i.e., of its old
+definition). For example, after
+\begin{verbatim}
+ \NewCommandCopy\LaTeXorig\LaTeX
+ \RenewDocumentCommand\LaTeX{}{\textcolor{blue}{\LaTeXorig}}
+\end{verbatim}
+all \LaTeX{} logos generated with \cs{LaTeX} will come out in blue
+(assuming you have a color package loaded).
+
+The differences between \cs{New...} and \cs{Renew...} are as
+elsewhere: i.e., you get an error depending on whether or not
+\meta{cmd} already exists, or in case of \cs{Declare...} it is copied
+regardless. Note that there is no \cs{Provide...} declaration, because
+that would be of limited value.
+
+
+If the \meta{cmd} or \meta{existing-cmd} can't be provided as a single
+token but need \enquote{constructing}, you can use \cs{ExpandArgs}
+as explained in
+Section~\ref{sec:preconstructing-csnames}.
+
+
+
+
+\begin{decl}
+ |\ShowCommand| \arg{cmd}
+\end{decl}
+
+This displays the meaning of the \meta{cmd} on the terminal and then
+stops (just like the primitive \cs{show}). The difference is that it
+correctly shows the meaning of more complex commands, e.g., in case of
+robust commands it displays not only the top-level definition but
+also the actual payload code and in case of commands declared with
+\cs{NewDocumentCommand}, etc.\ it also gives you detailed information
+about the argument signature.
+
+
+\section[Preconstructing command names \\ (or otherwise expanding arguments)]
+ {Preconstructing command names (or otherwise expanding arguments)}
+\label{sec:preconstructing-csnames}
+
+When declaring new commands with \cs{NewDocumentCommand} or
+\cs{NewCommandCopy} or similar, it is sometimes necessary to
+``construct'' the csname. As a general mechanism the L3 programming
+layer has \cs{exp_args:N...} for this, but there is no mechanism for
+it if \cs{ExplSyntaxOn} is not active (and mixing programming and user
+interface level commands is not a good approach anyhow). We therefore
+offer a mechanism to access this ability using CamelCase naming.
+
+\begin{decl}
+ |\UseName| \arg{string} \\
+ |\ExpandArgs| \arg{spec} \arg{cmd} \arg{arg1} \dots
+\end{decl}
+
+\cs{UseName} turns the \meta{string} directly into a csname and
+then executes it: this is equivalent to the long-standing
+\LaTeXe{} internal command \cs{@nameuse}, or the L3 programming
+equivalent \cs{use:c}. \cs{ExpandArgs} takes a \meta{spec} which
+describes how to expand the \meta{arguments}, carries out these
+operations then executes the \meta{cmd}. The \meta{spec} uses
+the descriptions offered by the L3 programming layer, and the
+relevant \cs{exp_args:N...} function must exist. Common cases will
+have a \meta{spec} of \texttt{c}, \texttt{cc} or \texttt{Nc}: see below.
+
+As an example, the following declaration provides a method to generate
+copyedit commands:
+\begin{verbatim}
+\NewDocumentCommand\newcopyedit{mO{red}}
+ {\newcounter{todo#1}%
+ \ExpandArgs{c}\NewDocumentCommand{#1}{s m}%
+ {\stepcounter{todo#1}%
+ \IfBooleanTF {##1}%
+ {\todo[color=#2!10]{\UseName{thetodo#1}: ##2}}%
+ {\todo[inline,color=#2!10]{\UseName{thetodo#1}: ##2}}%
+ }%
+ }
+\end{verbatim}
+Given that declaration you can then write
+\verb/\newcopyedit{note}[blue]/ which defines the command \cs{note}
+and the corresponding counter for you.
+
+A second example is to copy a command by string name using
+\cs{NewCommandCopy}: here we might need to construct both command
+names.
+\begin{verbatim}
+\NewDocumentCommand\savebyname{m}
+ {\ExpandArgs{cc}\NewCommandCopy{saved#1}{#1}}
+\end{verbatim}
+
+In the \meta{spec} each \texttt{c} stands for one argument that is
+turned into a `\texttt{c}'ommand. An \texttt{n} represents a
+`\texttt{n}'ormal argument that is not altered and \texttt{N} stands for
+a `\texttt{N}'ormal argument which is also left unchanged, but one
+consisting only of a single token (and usually unbraced). Thus, to
+construct a command from a string only for the second argument of
+\cs{NewCommandCopy} you would write
+\begin{verbatim}
+\ExpandArgs{Nc}\NewCommandCopy\mysectionctr{c@section}
+\end{verbatim}
+There are several other single letters supported in the L3 programming
+layer that \emph{could} be used in the \meta{spec} to manipulate
+arguments in other ways. If you are interested, take a look at the
+\enquote{Argument expansion} section in the L3 programming layer
+documentation in \texttt{interface3.pdf}.
+
+
+
+\section{Expandable floating point (and other) calculations}
+
+The \LaTeX3 programming layer which is part of the format offers a
+rich interface to manipulate floating point variables and values. To
+allow for (simpler) applications to use this on document-level or in
+packages otherwise not making use of the L3 programming layer a few
+interface commands are made available.
+
+
+\begin{decl}
+ |\fpeval| \arg{floating point expression}
+\end{decl}
+
+The expandable command \cs{fpeval} takes as its argument a floating
+point expression and produces a result using the normal rules of
+mathematics. As this command is expandable it can be used where \TeX{}
+requires a number and for example within a low-level \cs{edef} operation
+to give a purely numerical result.
+
+
+
+Briefly, the floating point expressions may comprise:
+\begin{itemize}
+ \item Basic arithmetic: addition $x\fpbin{+}y$, subtraction $x\fpbin{-}y$,
+ multiplication $x\fpbin{*}y$, division $x\fpbin{/}y$, square root~$\sqrt{x}$,
+ and parentheses.
+ \item Comparison operators: $x\fprel{<}y$,
+ $x\fprel{<=}y$, $x\fprel{>?}y$,
+ $x\fprel{!=}y$ \emph{etc.}
+ \item Boolean logic: sign $\fpop{sign} x$,
+ negation $\fpop{!}x$, conjunction
+ $x\fprel{\&\&}y$, disjunction $x\fprel{\string|\string|}y$, ternary
+ operator $x\fprel{?}y\fprel{:}z$.
+ \item Exponentials: $\fpop{exp} x$, $\fpop{ln} x$, $x\mathord{\texttt{\^{}}}y$.
+ \item Integer factorial: $\fpop{fact} x$.
+ \item Trigonometry: $\fpop{sin} x$, $\fpop{cos} x$, $\fpop{tan} x$, $\fpop{cot} x$, $\fpop{sec}
+ x$, $\fpop{csc} x$ expecting their arguments in radians, and
+ $\fpop{sind} x$, $\fpop{cosd} x$,
+ $\fpop{tand} x$, $\fpop{cotd} x$,
+ $\fpop{secd} x$, $\fpop{cscd} x$ expecting their
+ arguments in degrees.
+ \item Inverse trigonometric functions: $\fpop{asin} x$,
+ $\fpop{acos} x$, $\fpop{atan} x$,
+ $\fpop{acot} x$, $\fpop{asec} x$,
+ $\fpop{acsc} x$ giving a result in radians, and
+ $\fpop{asind} x$, $\fpop{acosd} x$,
+ $\fpop{atand} x$, $\fpop{acotd} x$,
+ $\fpop{asecd} x$, $\fpop{acscd} x$ giving a result
+ in degrees.
+ \item Extrema: $\fpop{max}(x_{1},x_{2},\ldots)$, $\fpop{min}(x_{1},x_{2},\ldots)$,
+ $\fpop{abs}(x)$.
+ \item Rounding functions, controlled by two optional
+ values, $n$ (number of places, $0$ by default) and
+ $t$ (behavior on a tie, $\nan$ by default):
+ \begin{itemize}
+ \item $\fpop{trunc}(x,n)$ rounds towards zero,
+ \item $\fpop{floor}(x,n)$ rounds towards~$-\infty$,
+ \item $\fpop{ceil}(x,n)$ rounds towards~$+\infty$,
+ \item $\fpop{round}(x,n,t)$ rounds to the closest value, with
+ ties rounded to an even value by default, towards zero if $t=0$,
+ towards $+\infty$ if $t>0$ and towards $-\infty$ if $t<0$.
+ \end{itemize}
+ \item Random numbers: $\fpop{rand}()$, $\fpop{randint}(m,n)$.
+ \item Constants: \texttt{pi}, \texttt{deg} (one degree in radians).
+ \item Dimensions, automatically expressed in points, \emph{e.g.},
+ \texttt{pc} is~$12$.
+ \item Automatic conversion (no need for \cs{number}) of
+ integer, dimension, and skip variables to floating points numbers,
+ expressing dimensions in points and ignoring the stretch and
+ shrink components of skips.
+ \item Tuples: $(x_1,\ldots{},x_n)$ that can be added together,
+ multiplied or divided by a floating point number, and nested.
+\end{itemize}
+
+An example of use could be the following:
+\begin{verbatim}
+ \LaTeX{} can now compute: $ \frac{\sin (3.5)}{2} + 2\cdot 10^{-3}
+ = \fpeval{sin(3.5)/2 + 2e-3} $.
+\end{verbatim}
+which produces the following output:
+\begin{quote}
+ \LaTeX{} can now compute: $ \frac{\sin (3.5)}{2} + 2\cdot 10^{-3}
+ = \fpeval{sin(3.5)/2 + 2e-3} $.
+\end{quote}
+
+\begin{decl}
+ |\inteval| \arg{integer expression}
+\end{decl}
+
+ The expandable command \cs{inteval} takes as its argument an integer
+ expression and produces a result using the normal rules of
+ mathematics with some restrictions, see below. The operations
+ recognized are |+|, |-|, |*| and |/| plus parentheses. As this
+ command is expandable it can be used where \TeX{} requires a number
+ and for example within a low-level \cs{edef} operation to give a
+ purely numerical result.
+
+ This is basically a thin wrapper for the primitive \cs{numexpr}
+ command and therefore has some syntax restrictions. These are:
+ \begin{itemize}
+ \item \texttt{/} denotes division rounded to the closest integer with
+ ties rounded away from zero;
+ \item there is an error and the overall expression evaluates to zero
+ whenever the absolute value of any intermediate result exceeds
+ $2^{31}-1$, except in the case of scaling operations
+ $a$\texttt{*}$b$\texttt{/}$c$, for which $a$\texttt{*}$b$ may be
+ arbitrarily large;
+ \item parentheses may not appear after unary \texttt{+} or
+ \texttt{-}, namely placing \texttt{+(} or \texttt{-(} at the start
+ of an expression or after \texttt{+}, \texttt{-}, \texttt{*},
+ \texttt{/} or~\texttt{(} leads to an error.
+ \end{itemize}
+
+An example of use could be the following.
+\begin{verbatim}
+\LaTeX{} can now compute: The sum of the numbers is $\inteval{1 + 2 + 3}$.
+\end{verbatim}
+which results in
+\enquote{\LaTeX{} can now compute: The sum of the numbers is $\inteval{1 + 2 + 3}$.}
+
+
+\begin{decl}
+ |\dimeval| \arg{dimen expression} \qquad
+ |\skipeval| \arg{skip expression}
+\end{decl}
+
+Similar to \cs{inteval} but computing a length (\texttt{dimen}) or a
+rubber length (\texttt{skip}) value. Both are thin wrappers around
+the corresponding engine primitives, which makes them fast, but
+therefore shows the same syntax peculiars as discussed
+above. Nevertheless, in practice they are usually sufficient. For
+example
+\begin{verbatim}
+\newcommand\calulateheight[1]{%
+ \setlength\textheight{\dimeval{\topskip+\baselineskip*\inteval{#1-1}}}}
+\end{verbatim}
+sets the \cs{textheight} to the appropriate value if a page should
+hold a specific number of text lines. Thus after |\calulateheight{40}|
+it is set to \dimeval{\topskip+\baselineskip*\inteval{40-1}}, given
+the values \cs{topskip} (\dimeval{\topskip}) and \cs{baselineskip}
+(\dimeval{\baselineskip}) in the current document.
+
\end{document}
diff --git a/Master/texmf-dist/doc/latex-dev/base/utf8ienc.pdf b/Master/texmf-dist/doc/latex-dev/base/utf8ienc.pdf
index 55e03425002..def7db995c8 100644
--- a/Master/texmf-dist/doc/latex-dev/base/utf8ienc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/utf8ienc.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/base/webcomp.pdf b/Master/texmf-dist/doc/latex-dev/base/webcomp.pdf
index 0eedccd171e..0addcf94c07 100644
--- a/Master/texmf-dist/doc/latex-dev/base/webcomp.pdf
+++ b/Master/texmf-dist/doc/latex-dev/base/webcomp.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/graphics/README.md b/Master/texmf-dist/doc/latex-dev/graphics/README.md
index 7ff086a4930..fb478e598d9 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/README.md
+++ b/Master/texmf-dist/doc/latex-dev/graphics/README.md
@@ -1,7 +1,7 @@
The LaTeX `graphics` bundle
===========================
-Release 2022-06-01 pre-release 0
+Release 2022-06-01 pre-release 1
Overview
--------
@@ -61,4 +61,4 @@ of the package.
-----
-<p>Copyright (C) 1993-2021 The LaTeX Project <br />
+<p>Copyright (C) 1993-2022 The LaTeX Project <br />
diff --git a/Master/texmf-dist/doc/latex-dev/graphics/changes.txt b/Master/texmf-dist/doc/latex-dev/graphics/changes.txt
index 374cbd1c6b7..72a106c3fdc 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/changes.txt
+++ b/Master/texmf-dist/doc/latex-dev/graphics/changes.txt
@@ -4,10 +4,20 @@ completeness or accuracy and it contains some references to files that
are not part of the distribution.
=======================================================================
+2022-01-06 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * mathcolor.dtx:
+ Support \mathcolor to correctly color parts of formulas without
+ spacing problems.
+
================================================================================
All changes above are only part of the development branch for the next release.
================================================================================
+2021-12-07 Ulrike Fischer <Ulrike.Fischer@latex-project.org>
+
+ * color.dtx: Remove stray spaces after change for xcolor/gh/10}
+
#########################
# 2021-11-15 Release
#########################
diff --git a/Master/texmf-dist/doc/latex-dev/graphics/color.pdf b/Master/texmf-dist/doc/latex-dev/graphics/color.pdf
index 0e545e76fb0..499c81c1d0b 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/color.pdf
+++ b/Master/texmf-dist/doc/latex-dev/graphics/color.pdf
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index 2117e7232ac..ba457906727 100644
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index 8b42a80548c..e5feedc670f 100644
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index c8fb4897ba9..d3d880dd699 100644
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+++ b/Master/texmf-dist/doc/latex-dev/graphics/graphics.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/graphics/graphicx.pdf b/Master/texmf-dist/doc/latex-dev/graphics/graphicx.pdf
index dfe40342054..0a615312448 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/graphicx.pdf
+++ b/Master/texmf-dist/doc/latex-dev/graphics/graphicx.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/graphics/grfguide.pdf b/Master/texmf-dist/doc/latex-dev/graphics/grfguide.pdf
index abd764ac5a5..70ed7ac3ac6 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/grfguide.pdf
+++ b/Master/texmf-dist/doc/latex-dev/graphics/grfguide.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/graphics/grfguide.tex b/Master/texmf-dist/doc/latex-dev/graphics/grfguide.tex
index 3b679ea382b..585e87adc77 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/grfguide.tex
+++ b/Master/texmf-dist/doc/latex-dev/graphics/grfguide.tex
@@ -243,12 +243,27 @@ to the font commands such as |\textbf|:
So the above is essentially equivalent to
|{\color|\arg{name}\emph{text}|}|.
+\subsection{Using Colours in math formulas}
+
+While |\color| and to some extent |\textcolor| can be used in
+formulas, this is cumbersome, may lead to bad spacing, and in some
+situations is simply not possible. For this reason we also introduce
+|\mathcolor| which will help in this respect. The basic syntax is:
+
+\begin{decl}
+|\mathcolor|\arg{name}\arg{math}
+\end{decl}
+
+See \texttt{mathcolor.pdf} for details on this command.
+
+
\subsubsection{Using colour specifications directly}
\begin{decl}
|\color|\oarg{model}\arg{specification}\\
-|\textcolor|\oarg{model}\arg{specification}\arg{text}
+|\textcolor|\oarg{model}\arg{specification}\arg{text}\\
+|\mathcolor|\oarg{model}\arg{specification}\arg{math}
\end{decl}
Normally one would predeclare all the colours used in a package, or in
diff --git a/Master/texmf-dist/doc/latex-dev/graphics/keyval.pdf b/Master/texmf-dist/doc/latex-dev/graphics/keyval.pdf
index a1bd6fd7055..9b60667b03e 100644
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+++ b/Master/texmf-dist/doc/latex-dev/graphics/rotating.pdf
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index 05b4894bc8f..d7b41106d8e 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/rotex.pdf
+++ b/Master/texmf-dist/doc/latex-dev/graphics/rotex.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/graphics/trig.pdf b/Master/texmf-dist/doc/latex-dev/graphics/trig.pdf
index f9b1a27fcbf..52f717b3f59 100644
--- a/Master/texmf-dist/doc/latex-dev/graphics/trig.pdf
+++ b/Master/texmf-dist/doc/latex-dev/graphics/trig.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/tools/README.md b/Master/texmf-dist/doc/latex-dev/tools/README.md
index a023599f2f5..7bef1f9e74d 100644
--- a/Master/texmf-dist/doc/latex-dev/tools/README.md
+++ b/Master/texmf-dist/doc/latex-dev/tools/README.md
@@ -1,7 +1,7 @@
The LaTeX `tools` bundle
========================
-Release 2022-06-01 pre-release 0
+Release 2022-06-01 pre-release 1
Overview
--------
diff --git a/Master/texmf-dist/doc/latex-dev/tools/afterpage.pdf b/Master/texmf-dist/doc/latex-dev/tools/afterpage.pdf
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+++ b/Master/texmf-dist/doc/latex-dev/tools/array.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/tools/bm.pdf b/Master/texmf-dist/doc/latex-dev/tools/bm.pdf
index 431b3984b95..88beef01cd0 100644
--- a/Master/texmf-dist/doc/latex-dev/tools/bm.pdf
+++ b/Master/texmf-dist/doc/latex-dev/tools/bm.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/tools/calc.pdf b/Master/texmf-dist/doc/latex-dev/tools/calc.pdf
index 8e1f546f533..160aca5e234 100644
--- a/Master/texmf-dist/doc/latex-dev/tools/calc.pdf
+++ b/Master/texmf-dist/doc/latex-dev/tools/calc.pdf
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diff --git a/Master/texmf-dist/doc/latex-dev/tools/changes.txt b/Master/texmf-dist/doc/latex-dev/tools/changes.txt
index 43464f8b247..db7a495a91c 100644
--- a/Master/texmf-dist/doc/latex-dev/tools/changes.txt
+++ b/Master/texmf-dist/doc/latex-dev/tools/changes.txt
@@ -5,6 +5,24 @@ completeness or accuracy and it contains some references to files that
are not part of the distribution.
=======================================================================
+2022-01-05 David Carlisle <David.Carlisle@latex-project.org>
+
+ * bm.dtx: Guard \nolimits@ for gh issue 744
+
+2021-12-05 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * multicol.dtx (subsection{Manual column breaking} \label{sec:colbreak}):
+ Added a missing guard in \newcolumn -- it only worked in hmode (sx/624940)
+
+2021-11-30 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * multicol.dtx: Added rollback to v1.8 (2019-10-01 release)
+
+2021-11-18 Frank Mittelbach <Frank.Mittelbach@latex-project.org>
+
+ * All *.dtx: Replaced \StopEventually by \MaybeStop
+
+
================================================================================
All changes above are only part of the development branch for the next release.
================================================================================
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index f2a32badbe3..fc84fd78282 100644
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diff --git a/Master/texmf-dist/doc/latex-dev/tools/tools-overview.tex b/Master/texmf-dist/doc/latex-dev/tools/tools-overview.tex
index a2dae49e8f2..882a2ae77fd 100644
--- a/Master/texmf-dist/doc/latex-dev/tools/tools-overview.tex
+++ b/Master/texmf-dist/doc/latex-dev/tools/tools-overview.tex
@@ -1,7 +1,7 @@
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{tools-overview.tex}[2015/03/31 v1.0 Tools overview]
-% Copyright (C) 2006-2021
+% Copyright (C) 2006-2022
%
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
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