texlive[53862] trunk: l3 (21feb20)

commits+karl at tug.org commits+karl at tug.org
Fri Feb 21 23:55:44 CET 2020


Revision: 53862
          http://tug.org/svn/texlive?view=revision&revision=53862
Author:   karl
Date:     2020-02-21 23:55:44 +0100 (Fri, 21 Feb 2020)
Log Message:
-----------
l3 (21feb20)

Modified Paths:
--------------
    trunk/Build/source/texk/texlive/linked_scripts/l3build/l3build.lua
    trunk/Master/texmf-dist/doc/latex/l3build/CHANGELOG.md
    trunk/Master/texmf-dist/doc/latex/l3build/README.md
    trunk/Master/texmf-dist/doc/latex/l3build/l3build.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md
    trunk/Master/texmf-dist/doc/latex/l3kernel/README.md
    trunk/Master/texmf-dist/doc/latex/l3kernel/expl3.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3docstrip.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news01.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news02.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news03.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news04.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news05.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news06.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news07.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news08.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news09.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news10.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news11.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3news12.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.tex
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex
    trunk/Master/texmf-dist/doc/latex/l3kernel/source3.pdf
    trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex
    trunk/Master/texmf-dist/doc/man/man1/l3build.1
    trunk/Master/texmf-dist/doc/man/man1/l3build.man1.pdf
    trunk/Master/texmf-dist/scripts/l3build/l3build-unpack.lua
    trunk/Master/texmf-dist/scripts/l3build/l3build.lua
    trunk/Master/texmf-dist/source/latex/l3build/l3build.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3final.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
    trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
    trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex
    trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
    trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty
    trunk/Master/texmf-dist/tex/latex/l3kernel/l3deprecation.def

Modified: trunk/Build/source/texk/texlive/linked_scripts/l3build/l3build.lua
===================================================================
--- trunk/Build/source/texk/texlive/linked_scripts/l3build/l3build.lua	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Build/source/texk/texlive/linked_scripts/l3build/l3build.lua	2020-02-21 22:55:44 UTC (rev 53862)
@@ -25,7 +25,7 @@
 --]]
 
 -- Version information
-release_date = "2020-02-17"
+release_date = "2020-02-21"
 
 -- File operations are aided by the LuaFileSystem module
 local lfs = require("lfs")

Modified: trunk/Master/texmf-dist/doc/latex/l3build/CHANGELOG.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3build/CHANGELOG.md	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3build/CHANGELOG.md	2020-02-21 22:55:44 UTC (rev 53862)
@@ -7,6 +7,14 @@
 
 ## [Unreleased]
 
+## [2020-02-21]
+
+### Changed
+- Avoid temporary file when unpacking
+
+### Deprecated
+- `os_yes`: use `io.popen(...,w)` instead
+
 ## [2020-02-17]
 
 ### Added
@@ -426,7 +434,8 @@
 - Rationalise short option names: removed `-d`, `-E`, `-r`
 - Target `cmdcheck`: specific to LaTeX3 kernel work
 
-[Unreleased]: https://github.com/latex3/l3build/compare/2020-02-17...HEAD
+[Unreleased]: https://github.com/latex3/l3build/compare/2020-02-21...HEAD
+[2020-02-21]: https://github.com/latex3/l3build/compare/2020-02-17...2020-02-21
 [2020-02-17]: https://github.com/latex3/l3build/compare/2020-02-03...2020-02-17
 [2020-02-03]: https://github.com/latex3/l3build/compare/2020-01-14...2020-02-03
 [2020-01-14]: https://github.com/latex3/l3build/compare/2019-11-27...2020-01-14

Modified: trunk/Master/texmf-dist/doc/latex/l3build/README.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3build/README.md	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3build/README.md	2020-02-21 22:55:44 UTC (rev 53862)
@@ -1,7 +1,7 @@
 l3build: a testing and building system for LaTeX3
 =================================================
 
-Release 2020-02-17
+Release 2020-02-21
 
 Overview
 --------

Modified: trunk/Master/texmf-dist/doc/latex/l3build/l3build.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md	2020-02-21 22:55:44 UTC (rev 53862)
@@ -7,6 +7,18 @@
 
 ## [Unreleased]
 
+## [2020-02-21]
+
+### Added
+- Option `suppress-backend-headers` (see matching change in
+  `l3backend`)
+
+### Changed
+- Allow `dvisvgm` driver with XeTeX (issue #677)
+
+### Fixed
+- `undo-recent-deprecations` would not reload the deprecation code
+
 ## [2020-02-14]
 
 ### Fixed
@@ -618,7 +630,8 @@
 - Step func­tions have been added for dim vari­ables,
   e.g. `\dim_step_in­line:nnnn`
 
-[Unreleased]: https://github.com/latex3/latex3/compare/2020-02-14...HEAD
+[Unreleased]: https://github.com/latex3/latex3/compare/2020-02-21...HEAD
+[2020-02-21]: https://github.com/latex3/latex3/compare/2020-02-14...2020-02-21
 [2020-02-14]: https://github.com/latex3/latex3/compare/2020-02-13...2020-02-14
 [2020-02-13]: https://github.com/latex3/latex3/compare/2020-02-11...2020-02-13
 [2020-02-11]: https://github.com/latex3/latex3/compare/2020-02-08...2020-02-11

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/README.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/README.md	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/README.md	2020-02-21 22:55:44 UTC (rev 53862)
@@ -1,7 +1,7 @@
 LaTeX3 Programming Conventions
 ==============================
 
-Release 2020-02-14
+Release 2020-02-21
 
 Overview
 --------

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/expl3.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -54,7 +54,7 @@
          {latex-team at latex-project.org}%
    }%
 }
-\date{Released 2020-02-14}
+\date{Released 2020-02-21}
 
 \pagenumbering{roman}
 \maketitle

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3docstrip.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news01.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news02.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news03.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news04.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news05.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news06.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news07.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news08.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news09.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news10.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news11.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news12.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv	2020-02-21 22:55:44 UTC (rev 53862)
@@ -34,6 +34,7 @@
 conteq,conteq,Joachim Breitner,https://github.com/nomeata/conteq,https://github.com/nomeata/conteq.git,https://github.com/nomeata/conteq/issues,2013-05-26,2013-05-27,
 cookingunits,cooking-units,Ben Vitecek,https://github.com/Vidabe/cooking-units,https://github.com/Vidabe/cooking-units.git,https://github.com/Vidabe/cooking-units/issues,2018-09-26,2018-09-26,
 cs,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
+csvsim,csvsimple,Thomas F. Sturm,https://github.com/T-F-S/csvsimple,https://github.com/T-F-S/csvsimple.git,https://github.com/T-F-S/csvsimple/issues,2020-02-19,2020-02-19,
 ctex,ctex,Qing Lee,https://github.com/CTeX-org/ctex-kit,https://github.com/CTeX-org/ctex-kit.git,https://github.com/CTeX-org/ctex-kit/issues,2014-03-08,2014-03-08,
 ctuthesis,ctuthesis,Tom Hejda,https://github.com/tohecz/ctuthesis,https://github.com/tohecz/ctuthesis.git,https://github.com/tohecz/ctuthesis/issues,2015-07-26,2015-07-26,
 debug,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2017-07-15,2017-07-15,
@@ -64,6 +65,7 @@
 flag,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2017-02-13,
 fltr,newlfm,Paul Thomson,,,,2013-01-29,2013-01-29,
 fmdug,dashundergaps,Frank Mittelbach,https://www.latex-project.org/,https://github.com/FrankMittelbach/fmitex.git,https://github.com/FrankMittelbach/fmitex/issues,2018-06-24,2018-06-24,
+fmuft,unicodefonttable,Frank Mittelbach,https://www.latex-project.org/,https://github.com/FrankMittelbach/fmitex.git,https://github.com/FrankMittelbach/fmitex/issues,2020-02-17,2020-02-17,
 fmwao,widows-and-orphans,Frank Mittelbach,https://www.latex-project.org/,https://github.com/FrankMittelbach/fmitex.git,https://github.com/FrankMittelbach/fmitex/issues,2018-09-26,2018-09-26,
 fnpct,fnpct,Clemens Niederberger,https://bitbucket.org/cgnieder/fnpct/,git@bitbucket.org:cgnieder/fnpct.git,https://bitbucket.org/cgnieder/fnpct/issues,2013-03-16,2013-03-16,
 fontsizes,fontsizes,Julien Rivaud,,,,,2018-06-13,
@@ -71,6 +73,7 @@
 fp,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 galley,l3galley,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 gatherenum,gatherenum,Julien Rivaud,,,,2018-06-13,2018-06-14,
+getree,genealogytree,Thomas F. Sturm,https://github.com/T-F-S/genealogytree,https://github.com/T-F-S/genealogytree.git,https://github.com/T-F-S/genealogytree/issues,2020-02-19,2020-02-19,
 ghsystem,chemmacros,Clemens Niederberger,https://bitbucket.org/cgnieder/chemmacros/,git@bitbucket.org:cgnieder/chemmacros.git,https://bitbucket.org/cgnieder/chemmacros/issues,2013-03-16,2013-03-16,
 graph,lt3graph,Michiel Helvensteijn,,,,2014-02-05,2014-02-05,
 group,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
@@ -97,9 +100,11 @@
 lua,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 luatex,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 mark,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
+marks,l3kernel/xmarks,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2020-02-17,2020-02-17,
 math,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
 max,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
 mcrule,multicolrule,Karl Hagen,https://github.com/polysyllabic/multicolrule,https://github.com/polysyllabic/multicolrule.git,https://github.com/polysyllabic/multicolrule/issues,2018-12-24,2018-12-24,
+mermap,mercatormap,Thomas F. Sturm,https://github.com/T-F-S/mercatormap,https://github.com/T-F-S/mercatormap.git,https://github.com/T-F-S/mercatormap/issues,2020-02-19,2020-02-19,
 mhchem,mhchem,Martin Hensel,,,,2014-02-05,2014-02-05,
 minus,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
 mix,media9,Alexander Grahn,,,,2013-01-18,2013-01-18,
@@ -141,6 +146,7 @@
 rivmath,rivmath,Julien Rivaud,,,,2018-06-13,2018-06-13,
 scan,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 scontents,scontents,Pablo González,https://github.com/pablgonz/scontents,git@github.com:pablgonz/scontents.git,https://github.com/pablgonz/scontents/issues,2019-12-05,2019-12-05,
+sdaps,sdaps,Benjamin Berg,https://sdaps.org,https://github.com/sdaps/sdaps-class.git,https://github.com/sdaps/sdaps-class/issues,2020-02-17,2020-02-17,
 seq,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 siunitx,siunitx,Joseph Wright,https://github.com/josephwright/siunitx,https://github.com/josephwright/siunitx.git,https://github.com/josephwright/siunitx/issues,2012-11-04,2012-11-04,
 skip,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
@@ -152,16 +158,17 @@
 str,"l3kernel,l3str,l3str-format",The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 substances,substances,Clemens Niederberger,https://bitbucket.org/cgnieder/substances/,git@bitbucket.org:cgnieder/substances.git,https://bitbucket.org/cgnieder/substances/issues,2013-03-16,2013-03-16,
 sys,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2015-09-07,2015-09-08,
+tag,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2019-06-02,2019-06-02,
 tasks,exsheets,Clemens Niederberger,https://bitbucket.org/cgnieder/exsheets/,git@bitbucket.org:cgnieder/exsheets.git,https://bitbucket.org/cgnieder/exsheets/issues,2013-03-16,2013-03-16,
+tcobox,tcolorbox,Thomas F. Sturm,https://github.com/T-F-S/tcolorbox,https://github.com/T-F-S/tcolorbox.git,https://github.com/T-F-S/tcolorbox/issues,2020-02-19,2020-02-19,
 term,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
 tex,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
+text,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2020-01-15,2020-01-15,
 tikzsymbols,tikzsymbols,Ben Vitecek,https://github.com/Vidabe/tikzsymbols,https://github.com/Vidabe/tikzsymbols.git,https://github.com/Vidabe/tikzsymbols/issues,2018-09-26,2018-09-26,
 tilde,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
 tl,"l3kernel,l3tl-analysis,l3tl-build",The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 tmpa,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
 tmpb,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2018-05-12,2018-05-12,
-tag,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2019-06-02,2019-06-02,
-text,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2020-01-15,2020-01-15,
 token,l3kernel,The LaTeX3 Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2012-09-27,
 uftag,tagpdf,Ulrike Fischer,,,,2018-07-15,2018-07-15,
 um,unicode-math,Will Robertson,https://github.com/wspr/unicode-math,https://github.com/wspr/unicode-math.git,https://github.com/wspr/unicode-math/issues,2013-03-16,2013-03-16,

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -74,10 +74,18 @@
 
 This file lists the prefixes which have been registered with the \LaTeX{}
 team for use in \textsf{expl3} code. Programmers are invited to register their
-(public) prefix use by contacting the team. We recommend that short prefixes
-are avoided as there are a limited number of these very general names available.
-The file \texttt{l3prefixes.csv} contains more details on each module, for
+(public) prefix use by contacting the team at
+\begin{quote}
+  \texttt{modules at latex-project.org}
+\end{quote}
+with the relevant information for the \texttt{.csv} file, i.e.,
+\textit{Prefix, Module or package, Registrant, Homepage, Source repository, Issue tracker}.
+
+
+We recommend that short prefixes are avoided as there are a limited
+number of these very general names available.  The
+file \texttt{l3prefixes.csv} contains more details on each module, for
 example any information on source repository or issue tracker.
 
 \PrintTable
-\end{document}
\ No newline at end of file
+\end{document}

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2020-02-14}
+\date{Released 2020-02-21}
 
 \begin{document}
 

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2020-02-14}
+\date{Released 2020-02-21}
 
 \newcommand{\TF}{\textit{(TF)}}
 

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2020-02-14}
+\date{Released 2020-02-21}
 
 \newcommand{\TF}{\textit{(TF)}}
 

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/source3.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -53,7 +53,7 @@
          {latex-team at latex-project.org}%
    }%
 }
-\date{Released 2020-02-14}
+\date{Released 2020-02-21}
 
 \pagenumbering{roman}
 \maketitle

Modified: trunk/Master/texmf-dist/doc/man/man1/l3build.1
===================================================================
--- trunk/Master/texmf-dist/doc/man/man1/l3build.1	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/doc/man/man1/l3build.1	2020-02-21 22:55:44 UTC (rev 53862)
@@ -1,4 +1,4 @@
-.TH l3build 1 "2020-02-17"
+.TH l3build 1 "2020-02-21"
 .SH NAME
 l3build \- Checking and building packages
 .SH SYNOPSIS

Modified: trunk/Master/texmf-dist/doc/man/man1/l3build.man1.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/scripts/l3build/l3build-unpack.lua
===================================================================
--- trunk/Master/texmf-dist/scripts/l3build/l3build-unpack.lua	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/scripts/l3build/l3build-unpack.lua	2020-02-21 22:55:44 UTC (rev 53862)
@@ -73,16 +73,10 @@
   end
   for _,i in ipairs(unpackfiles) do
     for j,_ in pairs(tree(unpackdir, i)) do
-      -- This 'yes' business is needed to pass a series of "y\n" to
-      -- TeX if \askforoverwrite is true
-      -- That is all done using a file as it's the only way on Windows and
-      -- on Unix the "yes" command can't be used inside execute (it never
-      -- stops, which confuses Lua)
-      execute(os_yes .. ">>" .. localdir .. "/yes")
       local path, name = splitpath(j)
       local localdir = abspath(localdir)
-      errorlevel = run(
-        unpackdir .. "/" .. path,
+      local success = io.popen(
+        "cd " .. unpackdir .. "/" .. path .. os_concat ..
         os_setenv .. " TEXINPUTS=." .. os_pathsep
           .. localdir .. (unpacksearch and os_pathsep or "") ..
         os_concat  ..
@@ -89,12 +83,12 @@
         os_setenv .. " LUAINPUTS=." .. os_pathsep
           .. localdir .. (unpacksearch and os_pathsep or "") ..
         os_concat ..
-        unpackexe .. " " .. unpackopts .. " " .. name .. " < "
-          .. localdir .. "/yes"
-          .. (options["quiet"] and (" > " .. os_null) or "")
-      )
-      if errorlevel ~=0 then
-        return errorlevel
+        unpackexe .. " " .. unpackopts .. " " .. name
+          .. (options["quiet"] and (" > " .. os_null) or ""),
+        "w"
+      ):write(string.rep("y\n", 300)):close()
+      if not success then
+        return 1
       end
     end
   end

Modified: trunk/Master/texmf-dist/scripts/l3build/l3build.lua
===================================================================
--- trunk/Master/texmf-dist/scripts/l3build/l3build.lua	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/scripts/l3build/l3build.lua	2020-02-21 22:55:44 UTC (rev 53862)
@@ -25,7 +25,7 @@
 --]]
 
 -- Version information
-release_date = "2020-02-17"
+release_date = "2020-02-21"
 
 -- File operations are aided by the LuaFileSystem module
 local lfs = require("lfs")

Modified: trunk/Master/texmf-dist/source/latex/l3build/l3build.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3build/l3build.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3build/l3build.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -233,7 +233,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-17}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 % \tableofcontents
@@ -1776,9 +1776,15 @@
 % \end{variable}
 %
 % \begin{variable}{os_yes}
-%   A command to generate a series of $200$ lines each containing the
+%   \textbf{DEPRECATED}
+%   A command to generate a series of $300$ lines each containing the
 %   character |y|: this is useful as the Unix |yes| command cannot be
 %   used inside |os.execute| (it does not terminate).
+%
+%  Rather than use this function, we recommend the replacement construct
+%  \begin{verbatim}
+%    io.popen(<cmd>,"w"):write(string.rep("y\n", 300)):close()
+%  \end{verbatim}   
 % \end{variable}
 %
 % \subsection{Components of \texttt{l3build}}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -24,7 +24,7 @@
 %
 %<*driver|generic|package|2ekernel>
 %</driver|generic|package|2ekernel>
-\def\ExplFileDate{2020-02-14}%
+\def\ExplFileDate{2020-02-21}%
 %<*driver>
 \documentclass[full]{l3doc}
 \usepackage{graphicx}
@@ -51,7 +51,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -922,6 +922,12 @@
 %   \item[xdvipdfmx] Use the \texttt{xdvipdfmx} driver (\XeTeX{} only).
 % \end{itemize}
 %
+% \DescribeOption{suppress-backend-headers}
+% The \texttt{suppress-backend-headers} option suppresses loading of
+% backend-specific header files; currently this only affects \texttt{dvips}.
+% This option is available to support DVI-based routes that do not
+% support the |header| line used by \texttt{dvips}.
+%
 % \section{Using \pkg{expl3} with formats other than \LaTeXe{}}
 %
 % As well as the \LaTeXe{} package \pkg{expl3}, there is also a
@@ -1119,7 +1125,7 @@
 % Loading with \LaTeXe{} may be as part of the format (pre-loading)
 % or as a package. We have to allow for both possible paths, and of
 % course the package being loaded on to of the pre-load. That means
-% the the code here must be safe against re-loading.
+% the code here must be safe against re-loading.
 %
 %    \begin{macrocode}
 %<*package&loader|2ekernel>
@@ -1244,7 +1250,8 @@
 % \begin{variable}{\l_@@_options_clist}
 %    \begin{macrocode}
 %<*!2ekernel>
-\clist_new:N \l_@@_options_clist
+\cs_if_exist:NF \l_@@_options_clist
+  { \clist_new:N \l_@@_options_clist }
 \DeclareOption*
   { \clist_put_right:NV \l_@@_options_clist \CurrentOption }
 \ProcessOptions \relax
@@ -1272,10 +1279,13 @@
         \sys_load_debug:
         \debug_on:n { log-functions }
       } ,
+    suppress-backend-headers .bool_set_inverse:N
+      = \g__kernel_backend_header_bool ,
+    suppress-backend-headers .initial:n = false ,
     undo-recent-deprecations .code:n =
       {
+        \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
         \sys_load_deprecation:
-        \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
       }
   }
 %    \end{macrocode}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -1067,7 +1067,7 @@
 %    \cs{use_none_delimit_by_q_stop:w} \meta{balanced text} \cs{q_stop}
 %    \cs{use_none_delimit_by_q_recursion_stop:w} \meta{balanced text} \cs{q_recursion_stop}
 %   \end{syntax}
-%   Absorb the \meta{balanced text} form the input stream delimited by
+%   Absorb the \meta{balanced text} from the input stream delimited by
 %   the marker given in the function name, leaving nothing in the
 %   input stream.
 % \end{function}
@@ -1083,7 +1083,7 @@
 %    \cs{use_i_delimit_by_q_stop:nw} \Arg{inserted tokens} \meta{balanced text} \cs{q_stop}
 %    \cs{use_i_delimit_by_q_recursion_stop:nw} \Arg{inserted tokens} \meta{balanced text} \cs{q_recursion_stop}
 %   \end{syntax}
-%   Absorb the \meta{balanced text} form the input stream delimited by
+%   Absorb the \meta{balanced text} from the input stream delimited by
 %   the marker given in the function name, leaving \meta{inserted tokens}
 %   in the input stream for further processing.
 % \end{function}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -558,6 +558,10 @@
 % \subsection{Loading the patches}
 %
 % When loaded first, the patches are simply read here.
+% Here the deprecation code is loaded with the lower-level |\__kernel_...|
+% macro because we don't want it to flip the \cs{g__sys_deprecation_bool}
+% boolean, so that the deprecation code can be re-loaded later (when using
+% \texttt{undo-recent-deprecations}).
 %
 %    \begin{macrocode}
 \group_begin:
@@ -575,7 +579,7 @@
   }
 \cs_gset_protected:Npn \__kernel_sys_configuration_load:n #1
   { \file_input:n { #1 .def } }
-\sys_load_deprecation:
+\__kernel_sys_configuration_load:n { l3deprecation }
 %    \end{macrocode}
 %
 %    \begin{macrocode}
@@ -1060,7 +1064,7 @@
 % \begin{macro}[EXP, deprecated = 2021-07-01]{\c_term_ior}
 %    \begin{macrocode}
 \__kernel_patch_deprecation:nnNNpn { 2021-01-01 } { -1 }
-\cs_new_protected:Npn \c_term_ior { -1 \scan_stop: }
+\cs_gset_protected:Npn \c_term_ior { -1 \scan_stop: }
 %    \end{macrocode}
 % \end{macro}
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -79,7 +79,7 @@
 %
 % \title{The \cls{l3doc} class}
 % \author{\Team}
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 % \maketitle
 % \tableofcontents
 %
@@ -217,7 +217,7 @@
 %
 % This isn't very flexible, since it assumes that we \emph{always} want
 % to print the documentation.  For the \pkg{expl3} sources, I wanted to
-% be be able to input \file{.dtx} files in two modes: only displaying
+%  be able to input \file{.dtx} files in two modes: only displaying
 % the documentation, and only displaying the implementation.  For
 % example:
 % \begin{verbatim}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -63,7 +63,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3final.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3final.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3final.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 % \maketitle
 %
 % \begin{documentation}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -1575,7 +1575,7 @@
 %   first approximation of the square root of the significand $10^{8}
 %   a_1 + a_2 = 10^{8} |#2#3| + |#4#5|$ through Newton's method,
 %   starting at $x = 57234133 \simeq 10^{7.75}$.  Otherwise, first shift
-%   the significand of of the argument by one digit, getting
+%   the significand of the argument by one digit, getting
 %   $a_1'\in[10^{6}, 10^{7})$ instead of $[10^{7}, 10^{8})$, then use
 %   Newton's method starting at $17782794 \simeq 10^{7.25}$.
 %    \begin{macrocode}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 % \maketitle
 %
 % \begin{documentation}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -49,7 +49,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -1135,7 +1135,7 @@
 %         towards positive infinity});
 %     \item |trunc| yields a multiple
 %       of~$10^{-n}$ with the same sign as~$x$ and with the largest
-%       absolute value less that that of~$x$ (\enquote{round towards
+%       absolute value less than that of~$x$ (\enquote{round towards
 %         zero}).
 %   \end{itemize}
 %   \enquote{Overflow} occurs if $x$~is finite and the result is

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -151,7 +151,7 @@
 %
 % \begin{macro}{\fparray_new:Nn, \fparray_new:cn}
 % \begin{macro}{\@@_array_new:nNNN}
-%   Build a three token token list, then define all three tokens to be
+%   Build a three-token token list, then define all three tokens to be
 %   integer arrays of the same size.  No need to initialize the data:
 %   the integer arrays start with zeros, and three zeros denote
 %   precisely \cs{c_zero_fp}, as we want.

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -130,7 +130,7 @@
 %     \cs{__kernel_file_missing:n} \Arg{name}
 %   \end{syntax}
 %   Expands the \meta{name} as per \cs{__kernel_file_name_sanitize:nN} then
-%   produces an error message indicating that that file was not found.
+%   produces an error message indicating that this file was not found.
 % \end{function}
 %
 % \begin{function}{\__kernel_file_name_sanitize:nN}
@@ -475,13 +475,6 @@
 %   pair.
 % \end{function}
 %
-% \begin{function}{\__kernel_backend_postscript_header:n}
-%   \begin{syntax}
-%     \cs{__kernel_backend_postscript_header:n} \Arg{PostScript}
-%   \end{syntax}
-%   Adds the \meta{PostScript} to the PostScript header.
-% \end{function}
-%
 % \begin{function}{\__kernel_backend_align_begin:, \__kernel_backend_align_end:}
 %   \begin{syntax}
 %     \cs{__kernel_backend_align_begin:}
@@ -511,6 +504,10 @@
 %   Applies the \meta{matrix} to the current transformation matrix.
 % \end{function}
 %
+% \begin{function}{\g__kernel_backend_header_bool}
+%   Specifies whether to write headers for the backend.
+% \end{function}
+%
 % \begin{function}{\l__kernel_color_stack_int}
 %   The color stack used in \pdfTeX{} and \LuaTeX{} for the main color.
 % \end{function}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -1086,7 +1086,7 @@
 %   actually being a key. For the value, we first need to see if there is
 %   anything to do: if there is, extract it. The appropriate action is then
 %   inserted in front of the key and value. Doing this using an assignment is
-%   marginally faster than an an expansion chain.
+%   marginally faster than an expansion chain.
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_split:NNw #1#2#3 =
   {

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -1192,7 +1192,7 @@
 %   there is |\\>~| (or if the whole thing starts with |>~|) we split
 %   there, print the first part and show the second part using
 %   \tn{showtokens} (the \cs{exp_after:wN} ensure a nice display).  Note
-%   that that primitive adds a leading |>~| and trailing dot.  That is
+%   that this primitive adds a leading |>~| and trailing dot.  That is
 %   why we included a trailing dot before wrapping and removed it
 %   afterwards.  If there is no |\\>~| do the same but with an empty
 %   second part which adds a spurious but inevitable |>~.|

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -412,8 +412,12 @@
   {
     \sys_if_engine_xetex:TF
       {
-        \str_if_eq:VnF #1 { xdvipdfmx }
+        \str_case:VnF #1
           {
+            { dvisvgm }   { }
+            { xdvipdfmx } { }
+          }
+          {
             \__kernel_msg_error:nnxx { sys } { wrong-backend }
               #1 { xdvipdfmx }
             \tl_gset:Nn #1 { xdvipdfmx }

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -156,9 +156,10 @@
 %       I-dot and introduced when upper casing i-dotless.
 %     \item German (\texttt{de-alt}).
 %       An alternative mapping for German in which the lowercase
-%       \emph{Eszett} maps to a \emph{gro\ss{}es Eszett}. This transformation
-%       is available using \pdfTeX{} as there is a |T1| slot for the
-%       result.
+%       \emph{Eszett} maps to a \emph{gro\ss{}es Eszett}. Since there is
+%       a |T1| slot for the \emph{gro\ss{}es Eszett} in |T1|, this
+%       tailoring \emph{is} available with \pdfTeX{} as well as in the
+%       Unicode \TeX{} engines.
 %     \item Greek (\texttt{el}).
 %       Removes accents from Greek letters when uppercasing; titlecasing
 %       leaves accents in place.

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %
@@ -1523,7 +1523,7 @@
       \int_step_function:nnN { 0 } { 255 }  \@@_tmp:n
 %</initex>
 %    \end{macrocode}
-%   As \TeX{} is very unhappy if if finds an alignment character inside
+%   As \TeX{} is very unhappy if it finds an alignment character inside
 %   a primitive \tn{halign} even when skipping false branches, some
 %   precautions are required. \TeX{} is happy if the token is hidden
 %   between braces within \cs{if_false:} \dots{} \cs{fi:}.

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2020-02-14}
+% \date{Released 2020-02-21}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -67,7 +67,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2020-02-14}%
+\def\ExplFileDate{2020-02-21}%
 \begingroup
   \def\next{\endgroup}%
   \expandafter\ifx\csname PackageError\endcsname\relax
@@ -7522,8 +7522,12 @@
   {
     \sys_if_engine_xetex:TF
       {
-        \str_if_eq:VnF #1 { xdvipdfmx }
+        \str_case:VnF #1
           {
+            { dvisvgm }   { }
+            { xdvipdfmx } { }
+          }
+          {
             \__kernel_msg_error:nnxx { sys } { wrong-backend }
               #1 { xdvipdfmx }
             \tl_gset:Nn #1 { xdvipdfmx }
@@ -30136,7 +30140,7 @@
   }
 \cs_gset_protected:Npn \__kernel_sys_configuration_load:n #1
   { \file_input:n { #1 .def } }
-\sys_load_deprecation:
+\__kernel_sys_configuration_load:n { l3deprecation }
 %% 
 %%
 %% End of file `expl3-code.tex'.

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex	2020-02-21 22:55:44 UTC (rev 53862)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2020-02-14}%
+\def\ExplFileDate{2020-02-21}%
 \let\ExplLoaderFileDate\ExplFileDate
 \begingroup
   \def\tempa{LaTeX2e}%

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx	2020-02-21 22:55:44 UTC (rev 53862)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2020-02-14}%
+\def\ExplFileDate{2020-02-21}%
 \let\ExplLoaderFileDate\ExplFileDate
 \everyjob\expandafter{\the\everyjob
   \message{L3 programming layer <\ExplFileDate>}%
@@ -76,10 +76,13 @@
         \sys_load_debug:
         \debug_on:n { log-functions }
       } ,
+    suppress-backend-headers .bool_set_inverse:N
+      = \g__kernel_backend_header_bool ,
+    suppress-backend-headers .initial:n = false ,
     undo-recent-deprecations .code:n =
       {
+        \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
         \sys_load_deprecation:
-        \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
       }
   }
 \tl_put_left:Nn \document

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty	2020-02-21 22:55:44 UTC (rev 53862)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2020-02-14}%
+\def\ExplFileDate{2020-02-21}%
 \let\ExplLoaderFileDate\ExplFileDate
 \ProvidesPackage{expl3}
   [%
@@ -71,7 +71,8 @@
     \@onefilewithoptions {#1} [ ] [ ]
       \c__expl_def_ext_tl
   }
-\clist_new:N \l__expl_options_clist
+\cs_if_exist:NF \l__expl_options_clist
+  { \clist_new:N \l__expl_options_clist }
 \DeclareOption*
   { \clist_put_right:NV \l__expl_options_clist \CurrentOption }
 \ProcessOptions \relax
@@ -93,10 +94,13 @@
         \sys_load_debug:
         \debug_on:n { log-functions }
       } ,
+    suppress-backend-headers .bool_set_inverse:N
+      = \g__kernel_backend_header_bool ,
+    suppress-backend-headers .initial:n = false ,
     undo-recent-deprecations .code:n =
       {
+        \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
         \sys_load_deprecation:
-        \bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
       }
   }
 \keys_set:nV { sys } \l__expl_options_clist

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/l3deprecation.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/l3deprecation.def	2020-02-21 22:54:25 UTC (rev 53861)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/l3deprecation.def	2020-02-21 22:55:44 UTC (rev 53862)
@@ -286,7 +286,7 @@
 \__kernel_patch_deprecation:nnNNpn { 2022-01-01 } { \char_str_foldcase:N }
 \cs_gset:Npn \char_str_fold_case:N { \char_str_foldcase:N }
 \__kernel_patch_deprecation:nnNNpn { 2021-01-01 } { -1 }
-\cs_new_protected:Npn \c_term_ior { -1 \scan_stop: }
+\cs_gset_protected:Npn \c_term_ior { -1 \scan_stop: }
 %% 
 %%
 %% End of file `l3deprecation.def'.



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