texlive[64066] Master/texmf-dist: l3 (6aug22)

commits+karl at tug.org commits+karl at tug.org
Sat Aug 6 22:13:31 CEST 2022


Revision: 64066
          http://tug.org/svn/texlive?view=revision&revision=64066
Author:   karl
Date:     2022-08-06 22:13:31 +0200 (Sat, 06 Aug 2022)
Log Message:
-----------
l3 (6aug22)

Modified Paths:
--------------
    trunk/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md
    trunk/Master/texmf-dist/doc/latex/l3backend/README.md
    trunk/Master/texmf-dist/doc/latex/l3backend/l3backend-code.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/l3doc.pdf
    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/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/source/latex/l3backend/l3backend-basics.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx
    trunk/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx
    trunk/Master/texmf-dist/source/latex/l3kernel/expl3.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/l3cctab.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.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/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/l3pdf.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-purify.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/l3backend/l3backend-dvipdfmx.def
    trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
    trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
    trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def
    trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def
    trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def
    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

Modified: trunk/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3backend/CHANGELOG.md	2022-08-06 20:13:31 UTC (rev 64066)
@@ -6,6 +6,11 @@
 
 ## [Unreleased]
 
+## [2022-08-05]
+
+### Changed
+- Add no-op backend functions for annotations with `dvisvgm`
+
 ## [2022-07-01]
 
 #### Fixed
@@ -252,7 +257,8 @@
 - Include `l3backend` in file names
 - Moved backend code to internal for each 'parent' module
 
-[Unreleased]: https://github.com/latex3/latex3/compare/2022-07-01...HEAD
+[Unreleased]: https://github.com/latex3/latex3/compare/2022-08-05...HEAD
+[2022-08-05]: https://github.com/latex3/latex3/compare/2022-07-01...2022-08-05
 [2022-07-01]: https://github.com/latex3/latex3/compare/2022-04-20...2022-07-01
 [2022-04-20]: https://github.com/latex3/latex3/compare/2022-04-14...2022-04-20
 [2022-04-14]: https://github.com/latex3/latex3/compare/2022-04-10...2022-04-14

Modified: trunk/Master/texmf-dist/doc/latex/l3backend/README.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3backend/README.md	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3backend/README.md	2022-08-06 20:13:31 UTC (rev 64066)
@@ -1,7 +1,7 @@
 LaTeX3 Backend Drivers
 ======================
 
-Release 2022-07-01
+Release 2022-08-05
 
 This package forms parts of `expl3`, and contains the code used to interface
 with backends (drivers) across the `expl3` codebase. The functions here are

Modified: trunk/Master/texmf-dist/doc/latex/l3backend/l3backend-code.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md	2022-08-06 20:13:31 UTC (rev 64066)
@@ -7,6 +7,22 @@
 
 ## [Unreleased]
 
+## [2022-08-05]
+
+### Added
+- Support for case changing Croatian diagraph with 8-bit engines
+- Support accent removal when uppercasing Greek with 8-bit engines
+- Function `\sys_ensure_backend:`
+
+### Fixed
+- Behavior of `\color_math:nn` in alignments
+- Expansion of text containing unterminated `\romannumeral` primitives
+
+## [2022-07-21]
+
+### Fixed
+- `\iow_open:N` in ConTeXt MkII
+
 ## [2022-07-15]
 
 ### Fixed
@@ -1157,7 +1173,8 @@
 - Step functions have been added for dim variables,
   e.g. `\dim_step_inline:nnnn`
 
-[Unreleased]: https://github.com/latex3/latex3/compare/2022-07-15...HEAD
+[Unreleased]: https://github.com/latex3/latex3/compare/2022-08-05...HEAD
+[2022-08-05]: https://github.com/latex3/latex3/compare/2022-07-15...2022-08-05
 [2022-07-15]: https://github.com/latex3/latex3/compare/2022-07-14...2022-07-15
 [2022-07-14]: https://github.com/latex3/latex3/compare/2022-07-04...2022-07-14
 [2022-07-04]: https://github.com/latex3/latex3/compare/2022-07-01...2022-07-04

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/README.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/README.md	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/README.md	2022-08-06 20:13:31 UTC (rev 64066)
@@ -1,7 +1,7 @@
 LaTeX3 Programming Conventions
 ==============================
 
-Release 2022-07-15
+Release 2022-08-05
 
 Overview
 --------

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/expl3.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -54,7 +54,7 @@
          {latex-team at latex-project.org}%
    }%
 }
-\date{Released 2022-07-15}
+\date{Released 2022-08-05}
 
 \pagenumbering{roman}
 \maketitle

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3doc.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news10.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news11.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3news12.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv	2022-08-06 20:13:31 UTC (rev 64066)
@@ -197,6 +197,7 @@
 qrbill,qrbill,Marei Peischl,https://github.com/peiTeX/qrbill,https://github.com/peiTeX/qrbill.git,https://github.com/peiTeX/qrbill/issues,2020-06-27,2020-06-27,
 quark,l3kernel,The LaTeX 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,
 randomwalk,randomwalk,Bruno Le Floch,https://github.com/blefloch/latex-randomwalk,https://github.com/blefloch/latex-randomwalk.git,https://github.com/blefloch/latex-randomwalk/issues,2013-03-16,2015-09-22,
+rawobjects,rawobjects,Paolo De Donato,https://github.com/Loara/lt3rawobjects,https://github.com/Loara/lt3rawobjects/lt3rawobjects.git,https://github.com/Loara/lt3rawobjects/issues,2022-07-19,2022-07-19,
 recursion,l3kernel,The LaTeX 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,
 ref,l3kernel,The LaTeX Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2020-12-24,2020-12-24,
 regex,l3kernel,The LaTeX Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2012-09-27,2018-04-06,
@@ -207,6 +208,7 @@
 scan,l3kernel,The LaTeX 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,
 schulma,schulmathematik,Keno Wehr,https://ctan.org/pkg/schulmathematik,,,2021-08-23,2021-08-23,
 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,
+scripture,scripture,David Purton,https://github.com/dcpurton/scripture,https://github.com/dcpurton/scripture.git,https://github.com/dcpurton/scripture/issues,2022-07-27,2022-07-27,
 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 LaTeX 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,
 shipout,latex2e,The LaTeX Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex2e.git,https://github.com/latex3/latex2e/issues,2020-10-01,2021-03-03,
@@ -230,6 +232,7 @@
 term,l3kernel,The LaTeX 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 LaTeX 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 LaTeX 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,
+tikzfill,tikzfill,Thomas F. Sturm,https://github.com/T-F-S/tikzfill,https://github.com/T-F-S/tikzfill.git,https://github.com/T-F-S/tikzfill/issues,2022-07-19,2022-07-19, 
 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 LaTeX 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-build",The LaTeX 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,

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2022-07-15}
+\date{Released 2022-08-05}
 
 \begin{document}
 

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.pdf
===================================================================
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2022-07-15}
+\date{Released 2022-08-05}
 
 \newcommand{\TF}{\textit{(TF)}}
 

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2022-07-15}
+\date{Released 2022-08-05}
 
 \newcommand{\TF}{\textit{(TF)}}
 

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/source3.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -53,7 +53,7 @@
          {latex-team at latex-project.org}%
    }%
 }
-\date{Released 2022-07-15}
+\date{Released 2022-08-05}
 
 \pagenumbering{roman}
 \maketitle

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-basics.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -70,27 +70,27 @@
 %    \begin{macrocode}
 \ProvidesExplFile
 %<*dvipdfmx>
-  {l3backend-dvipdfmx.def}{2022-07-01}{}
+  {l3backend-dvipdfmx.def}{2022-08-05}{}
   {L3 backend support: dvipdfmx}
 %</dvipdfmx>
 %<*dvips>
-  {l3backend-dvips.def}{2022-07-01}{}
+  {l3backend-dvips.def}{2022-08-05}{}
   {L3 backend support: dvips}
 %</dvips>
 %<*dvisvgm>
-  {l3backend-dvisvgm.def}{2022-07-01}{}
+  {l3backend-dvisvgm.def}{2022-08-05}{}
   {L3 backend support: dvisvgm}
 %</dvisvgm>
 %<*luatex>
-  {l3backend-luatex.def}{2022-07-01}{}
+  {l3backend-luatex.def}{2022-08-05}{}
   {L3 backend support: PDF output (LuaTeX)}
 %</luatex>
 %<*pdftex>
-  {l3backend-pdftex.def}{2022-07-01}{}
+  {l3backend-pdftex.def}{2022-08-05}{}
   {L3 backend support: PDF output (pdfTeX)}
 %</pdftex>
 %<*xetex>
-  {l3backend-xetex.def}{2022-07-01}{}
+  {l3backend-xetex.def}{2022-08-05}{}
   {L3 backend support: XeTeX}
 %</xetex>
 %    \end{macrocode}

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-box.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-color.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-draw.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-graphics.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-header.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-opacity.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3backend/l3backend-pdf.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-01}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -1597,6 +1597,56 @@
 %<*dvisvgm>
 %    \end{macrocode}
 %
+% \subsubsection{Annotations}
+%
+% \begin{macro}{\@@_backend_annotation:nnnn}
+%    \begin{macrocode}
+\cs_new_protected:Npn \@@_backend_annotation:nnnn #1#2#3#4 { }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}[EXP]{\@@_backend_annotation_last:}
+%    \begin{macrocode}
+\cs_new:Npn \@@_backend_annotation_last: { }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}
+%   {\@@_backend_link_begin_goto:nnw, \@@_backend_link_begin_user:nnw}
+% \begin{macro}{\@@_backend_link_begin:nnnw}
+% \begin{macro}{\@@_backend_link_end:}
+%    \begin{macrocode}
+\cs_new_protected:Npn \@@_backend_link_begin_goto:nnw #1#2 { }
+\cs_new_protected:Npn \@@_backend_link_begin_user:nnw #1#2 { }
+\cs_new_protected:Npn \@@_backend_link_begin:nnnw #1#2#3 { }
+\cs_new_protected:Npn \@@_backend_link_end: { }
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
+% \begin{macro}{\@@_backend_link_last:}
+%    \begin{macrocode}
+\cs_new:Npx \@@_backend_link_last: { }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@@_backend_link_margin:n}
+%   A simple task: pass the data to the primitive.
+%    \begin{macrocode}
+\cs_new_protected:Npn \@@_backend_link_margin:n #1 { }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@@_backend_destination:nn}
+% \begin{macro}{\@@_backend_destination:nnnn}
+%    \begin{macrocode}
+\cs_new_protected:Npn \@@_backend_destination:nn #1#2 { }
+\cs_new_protected:Npn \@@_backend_destination:nnnn #1#2#3#4 { }
+%    \end{macrocode}
+% \end{macro}
+% \end{macro}
+%
 % \subsubsection{Catalogue entries}
 %
 % \begin{macro}{\@@_backend_catalog_gput:nn, \@@_backend_info_gput:nn}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -24,7 +24,7 @@
 %
 %<*driver|generic|package|2ekernel>
 %</driver|generic|package|2ekernel>
-\def\ExplFileDate{2022-07-15}%
+\def\ExplFileDate{2022-08-05}%
 %<*driver>
 \documentclass[full]{l3doc}
 \usepackage{graphicx}
@@ -51,7 +51,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -952,8 +952,8 @@
 % \section{Using \pkg{expl3} with formats other than \LaTeXe{}}
 %
 % As well as the \LaTeXe{} package \pkg{expl3}, there is also a
-% \enquote{generic} loader for the code, \texttt{expl3.tex}. This may be
-% loaded using the plain \TeX{} syntax
+% \enquote{generic} loader for the code, \texttt{expl3-generic.tex}.
+% This may be loaded using the plain \TeX{} syntax
 % \begin{verbatim}
 %   \input expl3-generic %
 % \end{verbatim}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3color.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3color.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3color.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -1456,25 +1456,34 @@
 %   need separate treatment. To avoid repeatedly collecting the same
 %   token, we first check for an alignment tab: assuming we don't have
 %   one of those, we can \enquote{recycle} \cs{l_peek_token} safely.
+%   As we have an explicit \cs{c_alignment_token}, there needs to be
+%   an align-safe group present.
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_math_scan:w
   {
     \peek_remove_filler:n
       {
+        \group_align_safe_begin:
         \peek_catcode:NTF \c_alignment_token
-          { \@@_math_scan_end: }
-          { \@@_math_scan_auxi: }
+          {
+            \group_align_safe_end:
+            \@@_math_scan_end:
+          }
+          {
+            \group_align_safe_end:
+            \@@_math_scan_auxi:
+          }
       }
   }
 %    \end{macrocode}
 %   Dealing with literal |_| and |^| is easy, and as we have exactly two cases,
 %   we can hard-code this. We use a hard-coded list for limits: these are all
-%   primitives. The \cs{use_none:n} herealso removes the test token so it is
+%   primitives. The \cs{use_none:n} here also removes the test token so it is
 %   left just in the right place.
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_math_scan_auxi:
   {
-    \token_case_meaning:NnTF \l_peek_token
+    \token_case_catcode:NnTF \l_peek_token
       {
         \c_math_subscript_token   { }
         \c_math_superscript_token { }
@@ -1549,7 +1558,7 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_math_scripts:Nw #1
   {
-    #1 
+    #1
     \c_group_begin_token
       \c_group_begin_token
         \seq_get:NN \g_@@_math_seq \l_@@_current_tl

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -85,7 +85,7 @@
 %    require you to do updates, if the class changes.}}
 %
 % \author{\Team}
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 % \maketitle
 % \tableofcontents
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -63,7 +63,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -981,7 +981,7 @@
 \int_step_inline:nnn
   { 0 }
   {
-    \cs_if_exist:NTF \normalend
+    \cs_if_exist:NTF \contextversion
       { \tex_count:D 38 ~ }
       {
         \tex_count:D 16 ~ %
@@ -1061,10 +1061,10 @@
 %    \begin{macrocode}
 \exp_args:NNf \cs_new_protected:Npn \@@_new:N
   { \exp_args:NNc \exp_after:wN \exp_stop_f: { newread } }
-\cs_if_exist:NT \normalend
+\cs_if_exist:NT \contextversion
   {
     \cs_new_eq:NN \@@_new_aux:N \@@_new:N
-    \cs_set_protected:Npn \@@_new:N #1
+    \cs_gset_protected:Npn \@@_new:N #1
       {
         \cs_undefine:N #1
         \@@_new_aux:N #1
@@ -1441,7 +1441,7 @@
 \int_step_inline:nnn
   { 0 }
   {
-    \cs_if_exist:NTF \normalend
+    \cs_if_exist:NTF \contextversion
       { \tex_count:D 39 ~ }
       {
         \tex_count:D 17 ~
@@ -1499,10 +1499,21 @@
 %
 % \begin{macro}{\@@_new:N}
 %   As for read streams, copy \tn{newwrite}, making sure
-%   that it is not \tn{outer}.
+%   that it is not \tn{outer}. For \ConTeXt{}, we have to
+%   deal with the fact that \tn{newwrite} works like our
+%   own: it actually checks before altering definition.
 %    \begin{macrocode}
 \exp_args:NNf \cs_new_protected:Npn \@@_new:N
   { \exp_args:NNc \exp_after:wN \exp_stop_f: { newwrite } }
+\cs_if_exist:NT \contextversion
+  {
+    \cs_new_eq:NN \@@_new_aux:N \@@_new:N
+    \cs_gset_protected:Npn \@@_new:N #1
+      {
+        \cs_undefine:N #1
+        \@@_new_aux:N #1
+      }
+  }
 %    \end{macrocode}
 % \end{macro}
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 % \maketitle
 %
 % \begin{documentation}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 % \maketitle
 %
 % \begin{documentation}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -49,7 +49,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -290,9 +290,25 @@
 %   use will be loaded. This command may only be used once.
 % \end{function}
 %
+% \begin{function}[added = 2022-07-29]{\sys_ensure_backend:}
+%   \begin{syntax}
+%     \cs{sys_ensure_backend:}
+%   \end{syntax}
+%   Ensures that a backend has been loaded by calling \cs{sys_load_backend:n}
+%   if required.
+% \end{function}
+%
 % \begin{variable}{\c_sys_backend_str}
 %   Set to the name of the backend in use by \cs{sys_load_backend:n} when
-%   issued.
+%   issued. Possible values are
+%   \begin{itemize}
+%    \item \texttt{pdftex}
+%    \item \texttt{luatex}
+%    \item \texttt{xetex}
+%    \item \texttt{dvips}
+%    \item \texttt{dvipdfmx}
+%    \item \texttt{dvisvgm}
+%   \end{itemize}
 % \end{variable}
 %
 % \begin{function}[added = 2019-09-12]{\sys_load_debug:}
@@ -561,6 +577,17 @@
 % \end{macro}
 % \end{macro}
 %
+% \begin{macro}{\sys_ensure_backend:}
+%   A simple wrapper.
+%    \begin{macrocode}
+\cs_new_protected:Npn \sys_ensure_backend:
+  {
+    \str_if_exist:NF \c_sys_backend_str
+      { \sys_load_backend:n { } }
+  }
+%    \end{macrocode}
+% \end{macro}
+%
 % \begin{variable}{\g_@@_debug_bool}
 %    \begin{macrocode}
 \bool_new:N \g_@@_debug_bool

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -357,7 +357,7 @@
 %    \begin{macrocode}
 \cs_new:Npn \@@_change_case_N_type:nnN #1#2#3
   {
-    \@@_if_recursion_tail_stop_do:Nn #3
+    \@@_if_q_recursion_tail_stop_do:Nn #3
       { \@@_change_case_end:w }
     \@@_change_case_N_type_aux:nnN {#1} {#2} #3
   }
@@ -374,7 +374,7 @@
   }
 \cs_new:Npn \@@_change_case_math_search:nnNNN #1#2#3#4#5
   {
-    \@@_if_recursion_tail_stop_do:Nn #4
+    \@@_if_q_recursion_tail_stop_do:Nn #4
       { \@@_change_case_cs_check:nnN {#1} {#2} #3 }
     \token_if_eq_meaning:NNTF #3 #4
       {
@@ -399,7 +399,7 @@
   }
 \cs_new:Npn \@@_change_case_math_N_type:nnNN #1#2#3#4
   {
-    \@@_if_recursion_tail_stop_do:Nn #4
+    \@@_if_q_recursion_tail_stop_do:Nn #4
       { \@@_change_case_end:w }
     \@@_change_case_store:n {#4}
     \token_if_eq_meaning:NNTF #4 #3
@@ -454,7 +454,7 @@
   }
 \cs_new:Npn \@@_change_case_exclude:nnNN #1#2#3#4
   {
-    \@@_if_recursion_tail_stop_do:Nn #4
+    \@@_if_q_recursion_tail_stop_do:Nn #4
       { \@@_change_case_replace:nnN {#1} {#2} #3 }
     \str_if_eq:nnTF {#3} {#4}
       {
@@ -910,6 +910,9 @@
 % \begin{macro}[EXP]{\@@_change_case_upper_el_hiatus:nnN}
 % \begin{macro}[EXP]{\@@_change_case_upper_el_gobble:nnw}
 % \begin{macro}[EXP]{\@@_change_case_upper_el_gobble:nnN}
+% \begin{macro}[EXP]{\@@_change_case_upper_el:nnnNN}
+% \begin{macro}[EXP]{\@@_change_case_upper_el:nnnNNN}
+% \begin{macro}[EXP]{\@@_change_case_upper_el:nnnn}
 % \begin{macro}[EXP,TF]{\@@_change_case_if_greek:n}
 % \begin{macro}[EXP,pTF]{\@@_change_case_if_greek:n}
 % \begin{macro}[EXP,pTF]{\@@_change_case_if_greek_accent:n}
@@ -927,7 +930,7 @@
 %   \emph{ypogegrammeni} is filtered out here as it is not actually in the
 %   Greek range, so gets lost if we leave until later.
 %    \begin{macrocode}
-\bool_lazy_or:nnT
+\bool_lazy_or:nnTF
   { \sys_if_engine_luatex_p: }
   { \sys_if_engine_xetex_p: }
   {
@@ -1130,6 +1133,43 @@
       }
   }
 %    \end{macrocode}
+%   For $8$-bit engines we use a simplified approach: covers the common
+%   requirements. This is basically how \pkg{xgreek} works but done by
+%   expansion: use fixed mappings from accented to accent-free letters.
+%   Only the two- and three-byte ranges can be involved.
+%    \begin{macrocode}
+  {
+    \cs_new:Npn \@@_change_case_upper_el:nnnN #1#2#3#4
+      {
+        \int_compare:nNnTF { `#4 } > { "80 }
+          {
+            \int_compare:nNnTF { `#4 } < { "E0 }
+              { \@@_change_case_upper_el:nnnNN }
+              {
+                 \int_compare:nNnTF { `#4 } < { "F0 }
+                  { \@@_change_case_upper_el:nnnNNN }
+                  { \@@_change_case_char:nnnN }
+              }
+          }
+          { \@@_change_case_char:nnnN }
+             {#1} {#2} {#3} #4
+      }
+    \cs_new:Npn \@@_change_case_upper_el:nnnNN #1#2#3#4#5
+      { \@@_change_case_upper_el:nnnn {#1} {#2} {#3} {#4#5} }
+    \cs_new:Npn \@@_change_case_upper_el:nnnNNN #1#2#3#4#5#6
+      { \@@_change_case_upper_el:nnnn {#1} {#2} {#3} {#4#5#6} }
+    \cs_new:Npn \@@_change_case_upper_el:nnnn #1#2#3#4
+      {
+        \cs_if_exist:cTF { c_@@_uppercase_el_ \tl_to_str:n {#4} _tl }
+          {
+            \@@_change_case_store:v
+              { c_@@_uppercase_el_ \tl_to_str:n {#4} _tl }
+            \@@_change_case_loop:nnw {#1} {#3}
+          }
+          { \@@_change_case_char:nnnN {#1} {#2} {#3} #4 }
+      }
+  }
+%    \end{macrocode}
 %   Luckily the Greek range is limited and clear.
 %    \begin{macrocode}
 \prg_new_conditional:Npnn \@@_change_case_if_greek:n #1 { TF }
@@ -1268,6 +1308,9 @@
 % \end{macro}
 % \end{macro}
 % \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
 % \begin{macro}[EXP]{\@@_change_case_boundary_upper_el:Nnnw}
 % \begin{macro}[EXP]{\@@_change_case_boundary_upper_el:nnN}
 % \begin{macro}[EXP]{\@@_change_case_boundary_upper_el:nnNw}
@@ -2114,6 +2157,27 @@
       \@@_tmp:w { 03F4 } { 03B8 } { lower }
       \@@_tmp:w { 03F5 } { 0395 } { upper }
 %    \end{macrocode}
+% Croatian digraph letters: these have a titlecase variant.
+%    \begin{macrocode}
+      \@@_tmp:w { 01C4 } { 01C5 } { title }
+      \@@_tmp:w { 01C4 } { 01C6 } { lower }
+      \@@_tmp:w { 01C5 } { 01C4 } { upper }
+      \@@_tmp:w { 01C5 } { 01C6 } { lower }
+      \@@_tmp:w { 01C6 } { 01C4 } { upper }
+      \@@_tmp:w { 01C6 } { 01C5 } { title }
+      \@@_tmp:w { 01C7 } { 01C8 } { title }
+      \@@_tmp:w { 01C7 } { 01C9 } { lower }
+      \@@_tmp:w { 01C8 } { 01C7 } { upper }
+      \@@_tmp:w { 01C8 } { 01C9 } { lower }
+      \@@_tmp:w { 01C9 } { 01C7 } { upper }
+      \@@_tmp:w { 01C9 } { 01C8 } { title }
+      \@@_tmp:w { 01CA } { 01CB } { title }
+      \@@_tmp:w { 01CA } { 01CC } { lower }
+      \@@_tmp:w { 01CB } { 01CA } { upper }
+      \@@_tmp:w { 01CB } { 01CC } { lower }
+      \@@_tmp:w { 01CC } { 01CA } { upper }
+      \@@_tmp:w { 01CC } { 01CB } { title }
+%    \end{macrocode}
 % Odds and ends that are not simple one-to-one mappings. These
 % are still two-octet code points.
 %    \begin{macrocode}
@@ -2312,6 +2376,371 @@
           \group_end:
         }
     \@@_tmp:w { 1FBE } { 0399 } { upper }
+%    \end{macrocode}
+% Greek accent suppression for uppercasing.
+%    \begin{macrocode}
+      \cs_set_protected:Npn \@@_tmp:w #1#2#3#4#5#6#7#8
+        {
+          \tl_const:cx
+            {
+              c_@@_uppercase_el_
+              \char_generate:nn {#1} { 12 }
+              \char_generate:nn {#2} { 12 }
+              _tl
+            }
+            {
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#5} { 13 }
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#6} { 13 }
+            }
+        }
+      \@@_loop:nn
+        { 0370 } { 0370 }
+        { 0371 } { 0370 }
+        { 0372 } { 0372 }
+        { 0373 } { 0372 }
+        { 0376 } { 0376 }
+        { 0377 } { 0376 }
+        { 03FD } { 03FD }
+        { 037B } { 03FD }
+        { 03FE } { 03FE }
+        { 037C } { 03FE }
+        { 03FF } { 03FF }
+        { 037D } { 03FF }
+        { 0386 } { 0391 }
+        { 0388 } { 0395 }
+        { 0389 } { 0397 }
+        { 038A } { 0399 }
+        { 038C } { 039F }
+        { 038E } { 03A5 }
+        { 038F } { 03A9 }
+        { 0390 } { 03AA }
+        { 0391 } { 0391 }
+        { 0392 } { 0392 }
+        { 0393 } { 0393 }
+        { 0394 } { 0394 }
+        { 0395 } { 0395 }
+        { 0396 } { 0396 }
+        { 0397 } { 0397 }
+        { 0398 } { 0398 }
+        { 0399 } { 0399 }
+        { 039A } { 039A }
+        { 039B } { 039B }
+        { 039C } { 039C }
+        { 039D } { 039D }
+        { 039E } { 039E }
+        { 039F } { 039F }
+        { 03A0 } { 03A0 }
+        { 03A1 } { 03A1 }
+        { 03A3 } { 03A3 }
+        { 03A4 } { 03A4 }
+        { 03A5 } { 03A5 }
+        { 03A6 } { 03A6 }
+        { 03A7 } { 03A7 }
+        { 03A8 } { 03A8 }
+        { 03A9 } { 03A9 }
+        { 03AA } { 03AA }
+        { 03AB } { 03AB }
+        { 03AC } { 0391 }
+        { 03AD } { 0395 }
+        { 03AE } { 0397 }
+        { 03AF } { 0399 }
+        { 03B0 } { 03AB }
+        { 03B1 } { 0391 }
+        { 03B2 } { 0392 }
+        { 03B3 } { 0393 }
+        { 03B4 } { 0394 }
+        { 03B5 } { 0395 }
+        { 03B6 } { 0396 }
+        { 03B7 } { 0397 }
+        { 03B8 } { 0398 }
+        { 03B9 } { 0399 }
+        { 03BA } { 039A }
+        { 03BB } { 039B }
+        { 03BC } { 039C }
+        { 03BD } { 039D }
+        { 03BE } { 039E }
+        { 03BF } { 039F }
+        { 03C0 } { 03A0 }
+        { 03C1 } { 03A1 }
+        { 03C2 } { 03A3 }
+        { 03C3 } { 03A3 }
+        { 03C4 } { 03A4 }
+        { 03C5 } { 03A5 }
+        { 03C6 } { 03A6 }
+        { 03C7 } { 03A7 }
+        { 03C8 } { 03A8 }
+        { 03C9 } { 03A9 }
+        { 03CA } { 03AA }
+        { 03CB } { 03AB }
+        { 03CC } { 039F }
+        { 03CD } { 03A5 }
+        { 03CE } { 03A9 }
+        { 03D0 } { 0392 }
+        { 03D1 } { 0398 }
+        { 03D2 } { 03A5 }
+        { 03D3 } { 03A5 }
+        { 03D4 } { 03AB }
+        { 03D5 } { 03A6 }
+        { 03D6 } { 03A0 }
+        { 03DA } { 03DA }
+        { 03DB } { 03DA }
+        { 03DC } { 03DC }
+        { 03DD } { 03DC }
+        { 03DE } { 03DE }
+        { 03DF } { 03DE }
+        { 03E0 } { 03E0 }
+        { 03E1 } { 03E0 }
+        { 03F0 } { 039A }
+        { 03F1 } { 03A1 }
+        { 03F2 } { 03F9 }
+        { 03F9 } { 03F9 }
+        \q_recursion_tail ?
+        \q_recursion_stop
+      \cs_set_protected:Npn \@@_tmp:w #1#2#3#4#5#6#7#8
+        {
+          \tl_const:cx
+            {
+              c_@@_uppercase_el_
+              \char_generate:nn {#1} { 12 }
+              \char_generate:nn {#2} { 12 }
+              \char_generate:nn {#3} { 12 }
+              _tl
+            }
+            {
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#5} { 13 }
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#6} { 13 }
+              \tl_if_blank:nF {#7}
+                {
+                  \exp_after:wN \exp_after:wN \exp_after:wN
+                    \exp_not:N \char_generate:nn {#7} { 13 }
+                }
+            }
+        }
+      \@@_loop:nn
+        { 1F00 } { 0391 }
+        { 1F01 } { 0391 }
+        { 1F02 } { 0391 }
+        { 1F03 } { 0391 }
+        { 1F04 } { 0391 }
+        { 1F05 } { 0391 }
+        { 1F06 } { 0391 }
+        { 1F07 } { 0391 }
+        { 1F08 } { 0391 }
+        { 1F09 } { 0391 }
+        { 1F0A } { 0391 }
+        { 1F0B } { 0391 }
+        { 1F0C } { 0391 }
+        { 1F0D } { 0391 }
+        { 1F0E } { 0391 }
+        { 1F0F } { 0391 }
+        { 1F10 } { 0395 }
+        { 1F11 } { 0395 }
+        { 1F12 } { 0395 }
+        { 1F13 } { 0395 }
+        { 1F14 } { 0395 }
+        { 1F15 } { 0395 }
+        { 1F18 } { 0395 }
+        { 1F19 } { 0395 }
+        { 1F1A } { 0395 }
+        { 1F1B } { 0395 }
+        { 1F1C } { 0395 }
+        { 1F1D } { 0395 }
+        { 1F20 } { 0397 }
+        { 1F21 } { 0397 }
+        { 1F22 } { 0397 }
+        { 1F23 } { 0397 }
+        { 1F24 } { 0397 }
+        { 1F25 } { 0397 }
+        { 1F26 } { 0397 }
+        { 1F27 } { 0397 }
+        { 1F28 } { 0397 }
+        { 1F29 } { 0397 }
+        { 1F2A } { 0397 }
+        { 1F2B } { 0397 }
+        { 1F2C } { 0397 }
+        { 1F2D } { 0397 }
+        { 1F2E } { 0397 }
+        { 1F2F } { 0397 }
+        { 1F30 } { 0399 }
+        { 1F31 } { 0399 }
+        { 1F32 } { 0399 }
+        { 1F33 } { 0399 }
+        { 1F34 } { 0399 }
+        { 1F35 } { 0399 }
+        { 1F36 } { 0399 }
+        { 1F37 } { 0399 }
+        { 1F38 } { 0399 }
+        { 1F39 } { 0399 }
+        { 1F3A } { 0399 }
+        { 1F3B } { 0399 }
+        { 1F3C } { 0399 }
+        { 1F3D } { 0399 }
+        { 1F3E } { 0399 }
+        { 1F3F } { 0399 }
+        { 1F40 } { 039F }
+        { 1F41 } { 039F }
+        { 1F42 } { 039F }
+        { 1F43 } { 039F }
+        { 1F44 } { 039F }
+        { 1F45 } { 039F }
+        { 1F48 } { 039F }
+        { 1F49 } { 039F }
+        { 1F4A } { 039F }
+        { 1F4B } { 039F }
+        { 1F4C } { 039F }
+        { 1F4D } { 039F }
+        { 1F50 } { 03A5 }
+        { 1F51 } { 03A5 }
+        { 1F52 } { 03A5 }
+        { 1F53 } { 03A5 }
+        { 1F54 } { 03A5 }
+        { 1F55 } { 03A5 }
+        { 1F56 } { 03A5 }
+        { 1F57 } { 03A5 }
+        { 1F59 } { 03A5 }
+        { 1F5B } { 03A5 }
+        { 1F5D } { 03A5 }
+        { 1F5F } { 03A5 }
+        { 1F60 } { 03A9 }
+        { 1F61 } { 03A9 }
+        { 1F62 } { 03A9 }
+        { 1F63 } { 03A9 }
+        { 1F64 } { 03A9 }
+        { 1F65 } { 03A9 }
+        { 1F66 } { 03A9 }
+        { 1F67 } { 03A9 }
+        { 1F68 } { 03A9 }
+        { 1F69 } { 03A9 }
+        { 1F6A } { 03A9 }
+        { 1F6B } { 03A9 }
+        { 1F6C } { 03A9 }
+        { 1F6D } { 03A9 }
+        { 1F6E } { 03A9 }
+        { 1F6F } { 03A9 }
+        { 1F70 } { 0391 }
+        { 1F71 } { 0391 }
+        { 1F72 } { 0395 }
+        { 1F73 } { 0395 }
+        { 1F74 } { 0397 }
+        { 1F75 } { 0397 }
+        { 1F76 } { 0399 }
+        { 1F77 } { 0399 }
+        { 1F78 } { 039F }
+        { 1F79 } { 039F }
+        { 1F7A } { 03A5 }
+        { 1F7B } { 03A5 }
+        { 1F7C } { 03A9 }
+        { 1F7D } { 03A9 }
+        { 1F80 } { 1FBC }
+        { 1F81 } { 1FBC }
+        { 1F82 } { 1FBC }
+        { 1F83 } { 1FBC }
+        { 1F84 } { 1FBC }
+        { 1F85 } { 1FBC }
+        { 1F86 } { 1FBC }
+        { 1F87 } { 1FBC }
+        { 1F88 } { 1FBC }
+        { 1F89 } { 1FBC }
+        { 1F8A } { 1FBC }
+        { 1F8B } { 1FBC }
+        { 1F8C } { 1FBC }
+        { 1F8D } { 1FBC }
+        { 1F8E } { 1FBC }
+        { 1F8F } { 1FBC }
+        { 1F90 } { 1FCC }
+        { 1F91 } { 1FCC }
+        { 1F92 } { 1FCC }
+        { 1F93 } { 1FCC }
+        { 1F94 } { 1FCC }
+        { 1F95 } { 1FCC }
+        { 1F96 } { 1FCC }
+        { 1F97 } { 1FCC }
+        { 1F98 } { 1FCC }
+        { 1F99 } { 1FCC }
+        { 1F9A } { 1FCC }
+        { 1F9B } { 1FCC }
+        { 1F9C } { 1FCC }
+        { 1F9D } { 1FCC }
+        { 1F9E } { 1FCC }
+        { 1F9F } { 1FCC }
+        { 1FA0 } { 1FFC }
+        { 1FA1 } { 1FFC }
+        { 1FA2 } { 1FFC }
+        { 1FA3 } { 1FFC }
+        { 1FA4 } { 1FFC }
+        { 1FA5 } { 1FFC }
+        { 1FA6 } { 1FFC }
+        { 1FA7 } { 1FFC }
+        { 1FA8 } { 1FFC }
+        { 1FA9 } { 1FFC }
+        { 1FAA } { 1FFC }
+        { 1FAB } { 1FFC }
+        { 1FAC } { 1FFC }
+        { 1FAD } { 1FFC }
+        { 1FAE } { 1FFC }
+        { 1FAF } { 1FFC }
+        { 1FB0 } { 1FB8 }
+        { 1FB1 } { 1FB9 }
+        { 1FB2 } { 1FBC }
+        { 1FB3 } { 1FBC }
+        { 1FB4 } { 1FBC }
+        { 1FB6 } { 0391 }
+        { 1FB7 } { 1FBC }
+        { 1FB8 } { 1FB8 }
+        { 1FB9 } { 1FB9 }
+        { 1FBA } { 0391 }
+        { 1FBB } { 0391 }
+        { 1FBC } { 1FBC }
+        { 1FBD } { 1FBD }
+        { 1FC2 } { 1FCC }
+        { 1FC3 } { 1FCC }
+        { 1FC4 } { 1FCC }
+        { 1FC6 } { 0397 }
+        { 1FC7 } { 1FCC }
+        { 1FC8 } { 0395 }
+        { 1FC9 } { 0395 }
+        { 1FCA } { 0397 }
+        { 1FCB } { 0397 }
+        { 1FCC } { 1FCC }
+        { 1FD0 } { 1FD8 }
+        { 1FD1 } { 1FD9 }
+        { 1FD2 } { 03AA }
+        { 1FD3 } { 03AA }
+        { 1FD6 } { 0399 }
+        { 1FD7 } { 03AA }
+        { 1FD8 } { 1FD8 }
+        { 1FD9 } { 1FD9 }
+        { 1FDA } { 0399 }
+        { 1FDB } { 0399 }
+        { 1FE0 } { 1FE8 }
+        { 1FE1 } { 1FE9 }
+        { 1FE2 } { 03AB }
+        { 1FE3 } { 03AB }
+        { 1FE4 } { 03A1 }
+        { 1FE5 } { 03A1 }
+        { 1FE6 } { 03A5 }
+        { 1FE7 } { 03AB }
+        { 1FE8 } { 1FE8 }
+        { 1FE9 } { 1FE9 }
+        { 1FEA } { 03A5 }
+        { 1FEB } { 03A5 }
+        { 1FEC } { 1FEC }
+        { 1FF2 } { 1FFC }
+        { 1FF3 } { 1FFC }
+        { 1FF4 } { 1FFC }
+        { 1FF6 } { 03A9 }
+        { 1FF7 } { 1FFC }
+        { 1FF8 } { 039F }
+        { 1FF9 } { 039F }
+        { 1FFA } { 03A9 }
+        { 1FFB } { 03A9 }
+        { 1FFC } { 1FFC }
+        \q_recursion_tail ?
+        \q_recursion_stop
   }
 \group_end:
 %    \end{macrocode}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -157,7 +157,7 @@
 %    \begin{macrocode}
 \cs_new:Npn \@@_purify_N_type:N #1
   {
-    \@@_if_recursion_tail_stop_do:Nn #1 { \@@_purify_end:w }
+    \@@_if_q_recursion_tail_stop_do:Nn #1 { \@@_purify_end:w }
     \@@_purify_N_type_aux:N #1
   }
 \cs_new:Npn \@@_purify_N_type_aux:N #1
@@ -169,7 +169,7 @@
   }
 \cs_new:Npn \@@_purify_math_search:NNN #1#2#3
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_q_recursion_tail_stop_do:Nn #2
       { \@@_purify_math_cmd:N #1 }
     \token_if_eq_meaning:NNTF #1 #2
       {
@@ -210,7 +210,7 @@
   }
 \cs_new:Npn \@@_purify_math_N_type:NNN #1#2#3
   {
-    \@@_if_recursion_tail_stop_do:Nn #3
+    \@@_if_q_recursion_tail_stop_do:Nn #3
       { \@@_purify_math_stop:Nw #1 }
     \token_if_eq_meaning:NNTF #3 #2
       { \@@_purify_math_end:w }
@@ -242,7 +242,7 @@
   }
 \cs_new:Npn \@@_purify_math_cmd:NN #1#2
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_q_recursion_tail_stop_do:Nn #2
       { \@@_purify_replace:N #1 }
     \cs_if_eq:NNTF #2 #1
       {
@@ -293,7 +293,7 @@
   }
 \cs_new:Npn \@@_purify_protect:N #1
   {
-    \@@_if_recursion_tail_stop_do:Nn #1 { \@@_purify_end:w }
+    \@@_if_q_recursion_tail_stop_do:Nn #1 { \@@_purify_end:w }
     \@@_purify_loop:w
   }
 %    \end{macrocode}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %
@@ -170,11 +170,12 @@
 %       Unicode \TeX{} engines.
 %     \item Greek (\texttt{el}).
 %       Removes accents from Greek letters when uppercasing; titlecasing
-%       leaves accents in place. (At present this is implemented only
-%       for Unicode engines.) A variant \texttt{el-x-iota} is available
+%       leaves accents in place. A variant \texttt{el-x-iota} is available
 %       which retains the \textit{ypogegrammeni} (subscript muted iota)
 %       when uppercasing: the standard version converts these to a following
-%       capital iota.
+%       capital iota. For $8$-bit engines a simplified approach is taken
+%       which will remove accents when uppercasing but without full
+%       context analysis.
 %     \item Lithuanian (\texttt{lt}).
 %       The lowercase letters i and j should retain a dot above when the
 %       accents grave, acute or tilde are present. This is implemented for
@@ -355,13 +356,45 @@
 %    \end{macrocode}
 % \end{macro}
 %
-% \begin{macro}[EXP]{\@@_if_recursion_tail_stop_do:Nn}
+% \begin{macro}[EXP]{\@@_if_q_recursion_tail_stop_do:Nn}
 %   Functions to query recursion quarks.
 %    \begin{macrocode}
-\__kernel_quark_new_test:N \@@_if_recursion_tail_stop_do:Nn
+\__kernel_quark_new_test:N \@@_if_q_recursion_tail_stop_do:Nn
 %    \end{macrocode}
 % \end{macro}
 %
+% \begin{variable}{\s_@@_recursion_tail,\s_@@_recursion_stop}
+%   Internal scan marks quarks.
+%    \begin{macrocode}
+\scan_new:N \s_@@_recursion_tail
+\scan_new:N \s_@@_recursion_stop
+%    \end{macrocode}
+% \end{variable}
+%
+% \begin{macro}[EXP]{\@@_use_i_delimit_by_s_recursion_stop:nw}
+%   Functions to gobble up to a scan mark.
+%    \begin{macrocode}
+\cs_new:Npn \@@_use_i_delimit_by_s_recursion_stop:nw
+  #1 #2 \s_@@_recursion_stop {#1}
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}[EXP]{\@@_if_s_recursion_tail_stop_do:Nn}
+%   Functions to query recursion scan marks. Slower than a quark
+%   test but needed to avoid issues in the outer expansion loop
+%   with unterminated \tn{romannumeral} primitives.
+%    \begin{macrocode}
+\cs_new:Npn \@@_if_s_recursion_tail_stop_do:Nn #1
+  {
+    \bool_lazy_and:nnTF
+      { \cs_if_eq_p:NN \s_@@_recursion_tail #1 }
+      { \str_if_eq_p:nn { \s_@@_recursion_tail } {#1} }
+      { \@@_use_i_delimit_by_s_recursion_stop:nw }
+      { \use_none:n }
+  }
+%    \end{macrocode}
+% \end{macro}
+%
 % \subsection{Utilities}
 %
 % \begin{macro}[EXP]
@@ -731,7 +764,9 @@
 %   arbitrary user commands which might be protected \emph{and} take
 %   arguments, and if the expansion code is used in a typesetting
 %   context, that will otherwise explode. (The same issue applies more
-%   clearly to case changing: see the example there.)
+%   clearly to case changing: see the example there.) The outer
+%   loop has to use scan marks as delimiters to protect against
+%   unterminated \tn{romannumeral} usage in the input.
 %    \begin{macrocode}
 \cs_new:Npn \text_expand:n #1
   {
@@ -745,7 +780,7 @@
   {
     \group_align_safe_begin:
     \@@_expand_loop:w #1
-      \q_@@_recursion_tail \q_@@_recursion_stop
+      \s_@@_recursion_tail \s_@@_recursion_stop
     \@@_expand_result:n { }
   }
 %    \end{macrocode}
@@ -768,7 +803,7 @@
 %   recursively, while spaces are just passed through. Thus all of the
 %   action is in handling \texttt{N}-type tokens.
 %    \begin{macrocode}
-\cs_new:Npn \@@_expand_loop:w #1 \q_@@_recursion_stop
+\cs_new:Npn \@@_expand_loop:w #1 \s_@@_recursion_stop
   {
     \tl_if_head_is_N_type:nTF {#1}
       { \@@_expand_N_type:N }
@@ -777,7 +812,7 @@
           { \@@_expand_group:n }
           { \@@_expand_space:w }
       }
-    #1 \q_@@_recursion_stop
+    #1 \s_@@_recursion_stop
   }
 \cs_new:Npn \@@_expand_group:n #1
   {
@@ -805,7 +840,7 @@
 %    \begin{macrocode}
 \cs_new:Npx \@@_expand_N_type:N #1
   {
-    \exp_not:N \@@_if_recursion_tail_stop_do:Nn #1
+    \exp_not:N \@@_if_s_recursion_tail_stop_do:Nn #1
       { \exp_not:N \@@_expand_end:w }
     \exp_not:N \bool_lazy_any:nTF
       {
@@ -884,7 +919,7 @@
   }
 \cs_new:Npn \@@_expand_math_search:NNN #1#2#3
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_q_recursion_tail_stop_do:Nn #2
       { \@@_expand_explicit:N #1 }
     \token_if_eq_meaning:NNTF #1 #2
       {
@@ -896,7 +931,7 @@
       }
       { \@@_expand_math_search:NNN #1 }
   }
-\cs_new:Npn \@@_expand_math_loop:Nw #1#2 \q_@@_recursion_stop
+\cs_new:Npn \@@_expand_math_loop:Nw #1#2 \s_@@_recursion_stop
   {
     \tl_if_head_is_N_type:nTF {#2}
       { \@@_expand_math_N_type:NN }
@@ -905,11 +940,11 @@
           { \@@_expand_math_group:Nn }
           { \@@_expand_math_space:Nw }
       }
-    #1#2 \q_@@_recursion_stop
+    #1#2 \s_@@_recursion_stop
   }
 \cs_new:Npn \@@_expand_math_N_type:NN #1#2
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_s_recursion_tail_stop_do:Nn #2
       { \@@_expand_end:w }
     \@@_expand_store:n {#2}
     \token_if_eq_meaning:NNTF #2 #1
@@ -989,7 +1024,7 @@
   }
 \cs_new:Npn \@@_expand_exclude:NN #1#2
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_q_recursion_tail_stop_do:Nn #2
       { \@@_expand_accent:N #1 }
     \str_if_eq:nnTF {#1} {#2}
       {
@@ -1016,7 +1051,7 @@
   }
 \cs_new:Npn \@@_expand_accent:NN #1#2
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_q_recursion_tail_stop_do:Nn #2
       { \@@_expand_letterlike:N #1 }
     \cs_if_eq:NNTF #2 #1
       {
@@ -1040,7 +1075,7 @@
   }
 \cs_new:Npn \@@_expand_letterlike:NN #1#2
   {
-    \@@_if_recursion_tail_stop_do:Nn #2
+    \@@_if_q_recursion_tail_stop_do:Nn #2
       { \@@_expand_cs:N #1 }
     \cs_if_eq:NNTF #2 #1
       {
@@ -1072,7 +1107,7 @@
           { \exp_not:N \@@_expand_replace:N #1 }
       }
   }
-\cs_new:Npn \@@_expand_protect:w #1 \q_@@_recursion_stop
+\cs_new:Npn \@@_expand_protect:w #1 \s_@@_recursion_stop
   {
     \tl_if_head_is_N_type:nTF {#1}
       { \@@_expand_protect:N }
@@ -1080,11 +1115,11 @@
         \@@_expand_store:n { \protect }
         \@@_expand_loop:w
       }
-        #1 \q_@@_recursion_stop
+        #1 \s_@@_recursion_stop
   }
 \cs_new:Npn \@@_expand_protect:N #1
   {
-    \@@_if_recursion_tail_stop_do:Nn #1
+    \@@_if_s_recursion_tail_stop_do:Nn #1
       {
         \@@_expand_store:n { \protect }
         \@@_expand_end:w
@@ -1186,7 +1221,7 @@
     \exp_after:wN \@@_expand_unexpanded_test:w
     \exp:w \exp_end_continue_f:w
   }
-\cs_new:Npn \@@_expand_unexpanded_test:w #1 \q_@@_recursion_stop
+\cs_new:Npn \@@_expand_unexpanded_test:w #1 \s_@@_recursion_stop
   {
     \tl_if_head_is_group:nTF {#1}
       { \@@_expand_unexpanded:n }
@@ -1194,7 +1229,7 @@
         \@@_expand_unexpanded:w
         \tl_if_head_is_N_type:nT {#1} { \@@_expand_unexpanded:N }
       }
-    #1 \q_@@_recursion_stop
+    #1 \s_@@_recursion_stop
   }
 \cs_new:Npn \@@_expand_unexpanded:N #1
   {

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-07-15}
+% \date{Released 2022-08-05}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvipdfmx.def	2022-08-06 20:13:31 UTC (rev 64066)
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-dvipdfmx.def}{2022-07-01}{}
+  {l3backend-dvipdfmx.def}{2022-08-05}{}
   {L3 backend support: dvipdfmx}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {

Modified: trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvips.def	2022-08-06 20:13:31 UTC (rev 64066)
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-dvips.def}{2022-07-01}{}
+  {l3backend-dvips.def}{2022-08-05}{}
   {L3 backend support: dvips}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {

Modified: trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-dvisvgm.def	2022-08-06 20:13:31 UTC (rev 64066)
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-dvisvgm.def}{2022-07-01}{}
+  {l3backend-dvisvgm.def}{2022-08-05}{}
   {L3 backend support: dvisvgm}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {
@@ -651,6 +651,16 @@
   { \cs_new_eq:NN \__graphics_backend_get_pagecount:n \__graphics_get_pagecount:n }
 %% File: l3backend-pdf.dtx
 \box_new:N \l__pdf_internal_box
+\cs_new_protected:Npn \__pdf_backend_annotation:nnnn #1#2#3#4 { }
+\cs_new:Npn \__pdf_backend_annotation_last: { }
+\cs_new_protected:Npn \__pdf_backend_link_begin_goto:nnw #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_link_begin_user:nnw #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_link_begin:nnnw #1#2#3 { }
+\cs_new_protected:Npn \__pdf_backend_link_end: { }
+\cs_new:Npx \__pdf_backend_link_last: { }
+\cs_new_protected:Npn \__pdf_backend_link_margin:n #1 { }
+\cs_new_protected:Npn \__pdf_backend_destination:nn #1#2 { }
+\cs_new_protected:Npn \__pdf_backend_destination:nnnn #1#2#3#4 { }
 \cs_new_protected:Npn \__pdf_backend_catalog_gput:nn #1#2 { }
 \cs_new_protected:Npn \__pdf_backend_info_gput:nn #1#2 { }
 \cs_new_protected:Npn \__pdf_backend_object_new:nn #1#2 { }

Modified: trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-luatex.def	2022-08-06 20:13:31 UTC (rev 64066)
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-luatex.def}{2022-07-01}{}
+  {l3backend-luatex.def}{2022-08-05}{}
   {L3 backend support: PDF output (LuaTeX)}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {

Modified: trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def	2022-08-06 20:13:31 UTC (rev 64066)
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-pdftex.def}{2022-07-01}{}
+  {l3backend-pdftex.def}{2022-08-05}{}
   {L3 backend support: PDF output (pdfTeX)}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {

Modified: trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3backend/l3backend-xetex.def	2022-08-06 20:13:31 UTC (rev 64066)
@@ -26,7 +26,7 @@
 %% 
 %% File: l3backend-basics.dtx
 \ProvidesExplFile
-  {l3backend-xetex.def}{2022-07-01}{}
+  {l3backend-xetex.def}{2022-08-05}{}
   {L3 backend support: XeTeX}
 \cs_if_exist:NTF \__kernel_dependency_version_check:nn
   {

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -70,7 +70,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-07-15}%
+\def\ExplFileDate{2022-08-05}%
 \begingroup
   \def\next{\endgroup}%
   \expandafter\ifx\csname PackageError\endcsname\relax
@@ -7625,6 +7625,11 @@
           }
       }
   }
+\cs_new_protected:Npn \sys_ensure_backend:
+  {
+    \str_if_exist:NF \c_sys_backend_str
+      { \sys_load_backend:n { } }
+  }
 \bool_new:N \g__sys_debug_bool
 \cs_new_protected:Npn \sys_load_debug:
   {
@@ -10866,7 +10871,7 @@
 \int_step_inline:nnn
   { 0 }
   {
-    \cs_if_exist:NTF \normalend
+    \cs_if_exist:NTF \contextversion
       { \tex_count:D 38 ~ }
       {
         \tex_count:D 16 ~ %
@@ -10896,10 +10901,10 @@
 \prg_generate_conditional_variant:Nnn \ior_open:Nn { c } { T , F , TF }
 \exp_args:NNf \cs_new_protected:Npn \__ior_new:N
   { \exp_args:NNc \exp_after:wN \exp_stop_f: { newread } }
-\cs_if_exist:NT \normalend
+\cs_if_exist:NT \contextversion
   {
     \cs_new_eq:NN \__ior_new_aux:N \__ior_new:N
-    \cs_set_protected:Npn \__ior_new:N #1
+    \cs_gset_protected:Npn \__ior_new:N #1
       {
         \cs_undefine:N #1
         \__ior_new_aux:N #1
@@ -11096,7 +11101,7 @@
 \int_step_inline:nnn
   { 0 }
   {
-    \cs_if_exist:NTF \normalend
+    \cs_if_exist:NTF \contextversion
       { \tex_count:D 39 ~ }
       {
         \tex_count:D 17 ~
@@ -11116,6 +11121,15 @@
 \iow_new:N \g_tmpb_iow
 \exp_args:NNf \cs_new_protected:Npn \__iow_new:N
   { \exp_args:NNc \exp_after:wN \exp_stop_f: { newwrite } }
+\cs_if_exist:NT \contextversion
+  {
+    \cs_new_eq:NN \__iow_new_aux:N \__iow_new:N
+    \cs_gset_protected:Npn \__iow_new:N #1
+      {
+        \cs_undefine:N #1
+        \__iow_new_aux:N #1
+      }
+  }
 \tl_new:N \l__iow_file_name_tl
 \cs_new_protected:Npn \iow_open:Nn #1#2
   {
@@ -29021,14 +29035,21 @@
   {
     \peek_remove_filler:n
       {
+        \group_align_safe_begin:
         \peek_catcode:NTF \c_alignment_token
-          { \__color_math_scan_end: }
-          { \__color_math_scan_auxi: }
+          {
+            \group_align_safe_end:
+            \__color_math_scan_end:
+          }
+          {
+            \group_align_safe_end:
+            \__color_math_scan_auxi:
+          }
       }
   }
 \cs_new_protected:Npn \__color_math_scan_auxi:
   {
-    \token_case_meaning:NnTF \l_peek_token
+    \token_case_catcode:NnTF \l_peek_token
       {
         \c_math_subscript_token   { }
         \c_math_superscript_token { }
@@ -31726,7 +31747,19 @@
 \quark_new:N \q__text_recursion_stop
 \cs_new:Npn \__text_use_i_delimit_by_q_recursion_stop:nw
   #1 #2 \q__text_recursion_stop {#1}
-\__kernel_quark_new_test:N \__text_if_recursion_tail_stop_do:Nn
+\__kernel_quark_new_test:N \__text_if_q_recursion_tail_stop_do:Nn
+\scan_new:N \s__text_recursion_tail
+\scan_new:N \s__text_recursion_stop
+\cs_new:Npn \__text_use_i_delimit_by_s_recursion_stop:nw
+  #1 #2 \s__text_recursion_stop {#1}
+\cs_new:Npn \__text_if_s_recursion_tail_stop_do:Nn #1
+  {
+    \bool_lazy_and:nnTF
+      { \cs_if_eq_p:NN \s__text_recursion_tail #1 }
+      { \str_if_eq_p:nn { \s__text_recursion_tail } {#1} }
+      { \__text_use_i_delimit_by_s_recursion_stop:nw }
+      { \use_none:n }
+  }
 \group_begin:
   \char_set_catcode_active:n { 0 }
   \cs_new:Npn \__text_token_to_explicit:N #1
@@ -31942,7 +31975,7 @@
   {
     \group_align_safe_begin:
     \__text_expand_loop:w #1
-      \q__text_recursion_tail \q__text_recursion_stop
+      \s__text_recursion_tail \s__text_recursion_stop
     \__text_expand_result:n { }
   }
 \cs_new:Npn \__text_expand_store:n #1
@@ -31956,7 +31989,7 @@
     \exp_end:
     #2
   }
-\cs_new:Npn \__text_expand_loop:w #1 \q__text_recursion_stop
+\cs_new:Npn \__text_expand_loop:w #1 \s__text_recursion_stop
   {
     \tl_if_head_is_N_type:nTF {#1}
       { \__text_expand_N_type:N }
@@ -31965,7 +31998,7 @@
           { \__text_expand_group:n }
           { \__text_expand_space:w }
       }
-    #1 \q__text_recursion_stop
+    #1 \s__text_recursion_stop
   }
 \cs_new:Npn \__text_expand_group:n #1
   {
@@ -31986,7 +32019,7 @@
   }
 \cs_new:Npx \__text_expand_N_type:N #1
   {
-    \exp_not:N \__text_if_recursion_tail_stop_do:Nn #1
+    \exp_not:N \__text_if_s_recursion_tail_stop_do:Nn #1
       { \exp_not:N \__text_expand_end:w }
     \exp_not:N \bool_lazy_any:nTF
       {
@@ -32048,7 +32081,7 @@
   }
 \cs_new:Npn \__text_expand_math_search:NNN #1#2#3
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_q_recursion_tail_stop_do:Nn #2
       { \__text_expand_explicit:N #1 }
     \token_if_eq_meaning:NNTF #1 #2
       {
@@ -32060,7 +32093,7 @@
       }
       { \__text_expand_math_search:NNN #1 }
   }
-\cs_new:Npn \__text_expand_math_loop:Nw #1#2 \q__text_recursion_stop
+\cs_new:Npn \__text_expand_math_loop:Nw #1#2 \s__text_recursion_stop
   {
     \tl_if_head_is_N_type:nTF {#2}
       { \__text_expand_math_N_type:NN }
@@ -32069,11 +32102,11 @@
           { \__text_expand_math_group:Nn }
           { \__text_expand_math_space:Nw }
       }
-    #1#2 \q__text_recursion_stop
+    #1#2 \s__text_recursion_stop
   }
 \cs_new:Npn \__text_expand_math_N_type:NN #1#2
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_s_recursion_tail_stop_do:Nn #2
       { \__text_expand_end:w }
     \__text_expand_store:n {#2}
     \token_if_eq_meaning:NNTF #2 #1
@@ -32140,7 +32173,7 @@
   }
 \cs_new:Npn \__text_expand_exclude:NN #1#2
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_q_recursion_tail_stop_do:Nn #2
       { \__text_expand_accent:N #1 }
     \str_if_eq:nnTF {#1} {#2}
       {
@@ -32164,7 +32197,7 @@
   }
 \cs_new:Npn \__text_expand_accent:NN #1#2
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_q_recursion_tail_stop_do:Nn #2
       { \__text_expand_letterlike:N #1 }
     \cs_if_eq:NNTF #2 #1
       {
@@ -32184,7 +32217,7 @@
   }
 \cs_new:Npn \__text_expand_letterlike:NN #1#2
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_q_recursion_tail_stop_do:Nn #2
       { \__text_expand_cs:N #1 }
     \cs_if_eq:NNTF #2 #1
       {
@@ -32208,7 +32241,7 @@
           { \exp_not:N \__text_expand_replace:N #1 }
       }
   }
-\cs_new:Npn \__text_expand_protect:w #1 \q__text_recursion_stop
+\cs_new:Npn \__text_expand_protect:w #1 \s__text_recursion_stop
   {
     \tl_if_head_is_N_type:nTF {#1}
       { \__text_expand_protect:N }
@@ -32216,11 +32249,11 @@
         \__text_expand_store:n { \protect }
         \__text_expand_loop:w
       }
-        #1 \q__text_recursion_stop
+        #1 \s__text_recursion_stop
   }
 \cs_new:Npn \__text_expand_protect:N #1
   {
-    \__text_if_recursion_tail_stop_do:Nn #1
+    \__text_if_s_recursion_tail_stop_do:Nn #1
       {
         \__text_expand_store:n { \protect }
         \__text_expand_end:w
@@ -32295,7 +32328,7 @@
     \exp_after:wN \__text_expand_unexpanded_test:w
     \exp:w \exp_end_continue_f:w
   }
-\cs_new:Npn \__text_expand_unexpanded_test:w #1 \q__text_recursion_stop
+\cs_new:Npn \__text_expand_unexpanded_test:w #1 \s__text_recursion_stop
   {
     \tl_if_head_is_group:nTF {#1}
       { \__text_expand_unexpanded:n }
@@ -32303,7 +32336,7 @@
         \__text_expand_unexpanded:w
         \tl_if_head_is_N_type:nT {#1} { \__text_expand_unexpanded:N }
       }
-    #1 \q__text_recursion_stop
+    #1 \s__text_recursion_stop
   }
 \cs_new:Npn \__text_expand_unexpanded:N #1
   {
@@ -32456,7 +32489,7 @@
   }
 \cs_new:Npn \__text_change_case_N_type:nnN #1#2#3
   {
-    \__text_if_recursion_tail_stop_do:Nn #3
+    \__text_if_q_recursion_tail_stop_do:Nn #3
       { \__text_change_case_end:w }
     \__text_change_case_N_type_aux:nnN {#1} {#2} #3
   }
@@ -32473,7 +32506,7 @@
   }
 \cs_new:Npn \__text_change_case_math_search:nnNNN #1#2#3#4#5
   {
-    \__text_if_recursion_tail_stop_do:Nn #4
+    \__text_if_q_recursion_tail_stop_do:Nn #4
       { \__text_change_case_cs_check:nnN {#1} {#2} #3 }
     \token_if_eq_meaning:NNTF #3 #4
       {
@@ -32498,7 +32531,7 @@
   }
 \cs_new:Npn \__text_change_case_math_N_type:nnNN #1#2#3#4
   {
-    \__text_if_recursion_tail_stop_do:Nn #4
+    \__text_if_q_recursion_tail_stop_do:Nn #4
       { \__text_change_case_end:w }
     \__text_change_case_store:n {#4}
     \token_if_eq_meaning:NNTF #4 #3
@@ -32542,7 +32575,7 @@
   }
 \cs_new:Npn \__text_change_case_exclude:nnNN #1#2#3#4
   {
-    \__text_if_recursion_tail_stop_do:Nn #4
+    \__text_if_q_recursion_tail_stop_do:Nn #4
       { \__text_change_case_replace:nnN {#1} {#2} #3 }
     \str_if_eq:nnTF {#3} {#4}
       {
@@ -32864,7 +32897,7 @@
   }
 \cs_new_eq:cc { __text_change_case_upper_de-alt:nnnN }
   { __text_change_case_upper_de-x-eszett:nnnN }
-\bool_lazy_or:nnT
+\bool_lazy_or:nnTF
   { \sys_if_engine_luatex_p: }
   { \sys_if_engine_xetex_p: }
   {
@@ -33040,6 +33073,37 @@
           { \__text_change_case_upper_el_gobble:nnw {#1} {#2} }
       }
   }
+  {
+    \cs_new:Npn \__text_change_case_upper_el:nnnN #1#2#3#4
+      {
+        \int_compare:nNnTF { `#4 } > { "80 }
+          {
+            \int_compare:nNnTF { `#4 } < { "E0 }
+              { \__text_change_case_upper_el:nnnNN }
+              {
+                 \int_compare:nNnTF { `#4 } < { "F0 }
+                  { \__text_change_case_upper_el:nnnNNN }
+                  { \__text_change_case_char:nnnN }
+              }
+          }
+          { \__text_change_case_char:nnnN }
+             {#1} {#2} {#3} #4
+      }
+    \cs_new:Npn \__text_change_case_upper_el:nnnNN #1#2#3#4#5
+      { \__text_change_case_upper_el:nnnn {#1} {#2} {#3} {#4#5} }
+    \cs_new:Npn \__text_change_case_upper_el:nnnNNN #1#2#3#4#5#6
+      { \__text_change_case_upper_el:nnnn {#1} {#2} {#3} {#4#5#6} }
+    \cs_new:Npn \__text_change_case_upper_el:nnnn #1#2#3#4
+      {
+        \cs_if_exist:cTF { c__text_uppercase_el_ \tl_to_str:n {#4} _tl }
+          {
+            \__text_change_case_store:v
+              { c__text_uppercase_el_ \tl_to_str:n {#4} _tl }
+            \__text_change_case_loop:nnw {#1} {#3}
+          }
+          { \__text_change_case_char:nnnN {#1} {#2} {#3} #4 }
+      }
+  }
 \prg_new_conditional:Npnn \__text_change_case_if_greek:n #1 { TF }
   {
     \if_int_compare:w #1 < "0370 \exp_stop_f:
@@ -33831,6 +33895,24 @@
       \__text_tmp:w { 03F1 } { 03A1 } { upper }
       \__text_tmp:w { 03F4 } { 03B8 } { lower }
       \__text_tmp:w { 03F5 } { 0395 } { upper }
+      \__text_tmp:w { 01C4 } { 01C5 } { title }
+      \__text_tmp:w { 01C4 } { 01C6 } { lower }
+      \__text_tmp:w { 01C5 } { 01C4 } { upper }
+      \__text_tmp:w { 01C5 } { 01C6 } { lower }
+      \__text_tmp:w { 01C6 } { 01C4 } { upper }
+      \__text_tmp:w { 01C6 } { 01C5 } { title }
+      \__text_tmp:w { 01C7 } { 01C8 } { title }
+      \__text_tmp:w { 01C7 } { 01C9 } { lower }
+      \__text_tmp:w { 01C8 } { 01C7 } { upper }
+      \__text_tmp:w { 01C8 } { 01C9 } { lower }
+      \__text_tmp:w { 01C9 } { 01C7 } { upper }
+      \__text_tmp:w { 01C9 } { 01C8 } { title }
+      \__text_tmp:w { 01CA } { 01CB } { title }
+      \__text_tmp:w { 01CA } { 01CC } { lower }
+      \__text_tmp:w { 01CB } { 01CA } { upper }
+      \__text_tmp:w { 01CB } { 01CC } { lower }
+      \__text_tmp:w { 01CC } { 01CA } { upper }
+      \__text_tmp:w { 01CC } { 01CB } { title }
       \cs_set_protected:Npn \__text_tmp:w #1#2#3
         {
           \group_begin:
@@ -34020,6 +34102,368 @@
           \group_end:
         }
     \__text_tmp:w { 1FBE } { 0399 } { upper }
+      \cs_set_protected:Npn \__text_tmp:w #1#2#3#4#5#6#7#8
+        {
+          \tl_const:cx
+            {
+              c__text_uppercase_el_
+              \char_generate:nn {#1} { 12 }
+              \char_generate:nn {#2} { 12 }
+              _tl
+            }
+            {
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#5} { 13 }
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#6} { 13 }
+            }
+        }
+      \__text_loop:nn
+        { 0370 } { 0370 }
+        { 0371 } { 0370 }
+        { 0372 } { 0372 }
+        { 0373 } { 0372 }
+        { 0376 } { 0376 }
+        { 0377 } { 0376 }
+        { 03FD } { 03FD }
+        { 037B } { 03FD }
+        { 03FE } { 03FE }
+        { 037C } { 03FE }
+        { 03FF } { 03FF }
+        { 037D } { 03FF }
+        { 0386 } { 0391 }
+        { 0388 } { 0395 }
+        { 0389 } { 0397 }
+        { 038A } { 0399 }
+        { 038C } { 039F }
+        { 038E } { 03A5 }
+        { 038F } { 03A9 }
+        { 0390 } { 03AA }
+        { 0391 } { 0391 }
+        { 0392 } { 0392 }
+        { 0393 } { 0393 }
+        { 0394 } { 0394 }
+        { 0395 } { 0395 }
+        { 0396 } { 0396 }
+        { 0397 } { 0397 }
+        { 0398 } { 0398 }
+        { 0399 } { 0399 }
+        { 039A } { 039A }
+        { 039B } { 039B }
+        { 039C } { 039C }
+        { 039D } { 039D }
+        { 039E } { 039E }
+        { 039F } { 039F }
+        { 03A0 } { 03A0 }
+        { 03A1 } { 03A1 }
+        { 03A3 } { 03A3 }
+        { 03A4 } { 03A4 }
+        { 03A5 } { 03A5 }
+        { 03A6 } { 03A6 }
+        { 03A7 } { 03A7 }
+        { 03A8 } { 03A8 }
+        { 03A9 } { 03A9 }
+        { 03AA } { 03AA }
+        { 03AB } { 03AB }
+        { 03AC } { 0391 }
+        { 03AD } { 0395 }
+        { 03AE } { 0397 }
+        { 03AF } { 0399 }
+        { 03B0 } { 03AB }
+        { 03B1 } { 0391 }
+        { 03B2 } { 0392 }
+        { 03B3 } { 0393 }
+        { 03B4 } { 0394 }
+        { 03B5 } { 0395 }
+        { 03B6 } { 0396 }
+        { 03B7 } { 0397 }
+        { 03B8 } { 0398 }
+        { 03B9 } { 0399 }
+        { 03BA } { 039A }
+        { 03BB } { 039B }
+        { 03BC } { 039C }
+        { 03BD } { 039D }
+        { 03BE } { 039E }
+        { 03BF } { 039F }
+        { 03C0 } { 03A0 }
+        { 03C1 } { 03A1 }
+        { 03C2 } { 03A3 }
+        { 03C3 } { 03A3 }
+        { 03C4 } { 03A4 }
+        { 03C5 } { 03A5 }
+        { 03C6 } { 03A6 }
+        { 03C7 } { 03A7 }
+        { 03C8 } { 03A8 }
+        { 03C9 } { 03A9 }
+        { 03CA } { 03AA }
+        { 03CB } { 03AB }
+        { 03CC } { 039F }
+        { 03CD } { 03A5 }
+        { 03CE } { 03A9 }
+        { 03D0 } { 0392 }
+        { 03D1 } { 0398 }
+        { 03D2 } { 03A5 }
+        { 03D3 } { 03A5 }
+        { 03D4 } { 03AB }
+        { 03D5 } { 03A6 }
+        { 03D6 } { 03A0 }
+        { 03DA } { 03DA }
+        { 03DB } { 03DA }
+        { 03DC } { 03DC }
+        { 03DD } { 03DC }
+        { 03DE } { 03DE }
+        { 03DF } { 03DE }
+        { 03E0 } { 03E0 }
+        { 03E1 } { 03E0 }
+        { 03F0 } { 039A }
+        { 03F1 } { 03A1 }
+        { 03F2 } { 03F9 }
+        { 03F9 } { 03F9 }
+        \q_recursion_tail ?
+        \q_recursion_stop
+      \cs_set_protected:Npn \__text_tmp:w #1#2#3#4#5#6#7#8
+        {
+          \tl_const:cx
+            {
+              c__text_uppercase_el_
+              \char_generate:nn {#1} { 12 }
+              \char_generate:nn {#2} { 12 }
+              \char_generate:nn {#3} { 12 }
+              _tl
+            }
+            {
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#5} { 13 }
+              \exp_after:wN \exp_after:wN \exp_after:wN
+                \exp_not:N \char_generate:nn {#6} { 13 }
+              \tl_if_blank:nF {#7}
+                {
+                  \exp_after:wN \exp_after:wN \exp_after:wN
+                    \exp_not:N \char_generate:nn {#7} { 13 }
+                }
+            }
+        }
+      \__text_loop:nn
+        { 1F00 } { 0391 }
+        { 1F01 } { 0391 }
+        { 1F02 } { 0391 }
+        { 1F03 } { 0391 }
+        { 1F04 } { 0391 }
+        { 1F05 } { 0391 }
+        { 1F06 } { 0391 }
+        { 1F07 } { 0391 }
+        { 1F08 } { 0391 }
+        { 1F09 } { 0391 }
+        { 1F0A } { 0391 }
+        { 1F0B } { 0391 }
+        { 1F0C } { 0391 }
+        { 1F0D } { 0391 }
+        { 1F0E } { 0391 }
+        { 1F0F } { 0391 }
+        { 1F10 } { 0395 }
+        { 1F11 } { 0395 }
+        { 1F12 } { 0395 }
+        { 1F13 } { 0395 }
+        { 1F14 } { 0395 }
+        { 1F15 } { 0395 }
+        { 1F18 } { 0395 }
+        { 1F19 } { 0395 }
+        { 1F1A } { 0395 }
+        { 1F1B } { 0395 }
+        { 1F1C } { 0395 }
+        { 1F1D } { 0395 }
+        { 1F20 } { 0397 }
+        { 1F21 } { 0397 }
+        { 1F22 } { 0397 }
+        { 1F23 } { 0397 }
+        { 1F24 } { 0397 }
+        { 1F25 } { 0397 }
+        { 1F26 } { 0397 }
+        { 1F27 } { 0397 }
+        { 1F28 } { 0397 }
+        { 1F29 } { 0397 }
+        { 1F2A } { 0397 }
+        { 1F2B } { 0397 }
+        { 1F2C } { 0397 }
+        { 1F2D } { 0397 }
+        { 1F2E } { 0397 }
+        { 1F2F } { 0397 }
+        { 1F30 } { 0399 }
+        { 1F31 } { 0399 }
+        { 1F32 } { 0399 }
+        { 1F33 } { 0399 }
+        { 1F34 } { 0399 }
+        { 1F35 } { 0399 }
+        { 1F36 } { 0399 }
+        { 1F37 } { 0399 }
+        { 1F38 } { 0399 }
+        { 1F39 } { 0399 }
+        { 1F3A } { 0399 }
+        { 1F3B } { 0399 }
+        { 1F3C } { 0399 }
+        { 1F3D } { 0399 }
+        { 1F3E } { 0399 }
+        { 1F3F } { 0399 }
+        { 1F40 } { 039F }
+        { 1F41 } { 039F }
+        { 1F42 } { 039F }
+        { 1F43 } { 039F }
+        { 1F44 } { 039F }
+        { 1F45 } { 039F }
+        { 1F48 } { 039F }
+        { 1F49 } { 039F }
+        { 1F4A } { 039F }
+        { 1F4B } { 039F }
+        { 1F4C } { 039F }
+        { 1F4D } { 039F }
+        { 1F50 } { 03A5 }
+        { 1F51 } { 03A5 }
+        { 1F52 } { 03A5 }
+        { 1F53 } { 03A5 }
+        { 1F54 } { 03A5 }
+        { 1F55 } { 03A5 }
+        { 1F56 } { 03A5 }
+        { 1F57 } { 03A5 }
+        { 1F59 } { 03A5 }
+        { 1F5B } { 03A5 }
+        { 1F5D } { 03A5 }
+        { 1F5F } { 03A5 }
+        { 1F60 } { 03A9 }
+        { 1F61 } { 03A9 }
+        { 1F62 } { 03A9 }
+        { 1F63 } { 03A9 }
+        { 1F64 } { 03A9 }
+        { 1F65 } { 03A9 }
+        { 1F66 } { 03A9 }
+        { 1F67 } { 03A9 }
+        { 1F68 } { 03A9 }
+        { 1F69 } { 03A9 }
+        { 1F6A } { 03A9 }
+        { 1F6B } { 03A9 }
+        { 1F6C } { 03A9 }
+        { 1F6D } { 03A9 }
+        { 1F6E } { 03A9 }
+        { 1F6F } { 03A9 }
+        { 1F70 } { 0391 }
+        { 1F71 } { 0391 }
+        { 1F72 } { 0395 }
+        { 1F73 } { 0395 }
+        { 1F74 } { 0397 }
+        { 1F75 } { 0397 }
+        { 1F76 } { 0399 }
+        { 1F77 } { 0399 }
+        { 1F78 } { 039F }
+        { 1F79 } { 039F }
+        { 1F7A } { 03A5 }
+        { 1F7B } { 03A5 }
+        { 1F7C } { 03A9 }
+        { 1F7D } { 03A9 }
+        { 1F80 } { 1FBC }
+        { 1F81 } { 1FBC }
+        { 1F82 } { 1FBC }
+        { 1F83 } { 1FBC }
+        { 1F84 } { 1FBC }
+        { 1F85 } { 1FBC }
+        { 1F86 } { 1FBC }
+        { 1F87 } { 1FBC }
+        { 1F88 } { 1FBC }
+        { 1F89 } { 1FBC }
+        { 1F8A } { 1FBC }
+        { 1F8B } { 1FBC }
+        { 1F8C } { 1FBC }
+        { 1F8D } { 1FBC }
+        { 1F8E } { 1FBC }
+        { 1F8F } { 1FBC }
+        { 1F90 } { 1FCC }
+        { 1F91 } { 1FCC }
+        { 1F92 } { 1FCC }
+        { 1F93 } { 1FCC }
+        { 1F94 } { 1FCC }
+        { 1F95 } { 1FCC }
+        { 1F96 } { 1FCC }
+        { 1F97 } { 1FCC }
+        { 1F98 } { 1FCC }
+        { 1F99 } { 1FCC }
+        { 1F9A } { 1FCC }
+        { 1F9B } { 1FCC }
+        { 1F9C } { 1FCC }
+        { 1F9D } { 1FCC }
+        { 1F9E } { 1FCC }
+        { 1F9F } { 1FCC }
+        { 1FA0 } { 1FFC }
+        { 1FA1 } { 1FFC }
+        { 1FA2 } { 1FFC }
+        { 1FA3 } { 1FFC }
+        { 1FA4 } { 1FFC }
+        { 1FA5 } { 1FFC }
+        { 1FA6 } { 1FFC }
+        { 1FA7 } { 1FFC }
+        { 1FA8 } { 1FFC }
+        { 1FA9 } { 1FFC }
+        { 1FAA } { 1FFC }
+        { 1FAB } { 1FFC }
+        { 1FAC } { 1FFC }
+        { 1FAD } { 1FFC }
+        { 1FAE } { 1FFC }
+        { 1FAF } { 1FFC }
+        { 1FB0 } { 1FB8 }
+        { 1FB1 } { 1FB9 }
+        { 1FB2 } { 1FBC }
+        { 1FB3 } { 1FBC }
+        { 1FB4 } { 1FBC }
+        { 1FB6 } { 0391 }
+        { 1FB7 } { 1FBC }
+        { 1FB8 } { 1FB8 }
+        { 1FB9 } { 1FB9 }
+        { 1FBA } { 0391 }
+        { 1FBB } { 0391 }
+        { 1FBC } { 1FBC }
+        { 1FBD } { 1FBD }
+        { 1FC2 } { 1FCC }
+        { 1FC3 } { 1FCC }
+        { 1FC4 } { 1FCC }
+        { 1FC6 } { 0397 }
+        { 1FC7 } { 1FCC }
+        { 1FC8 } { 0395 }
+        { 1FC9 } { 0395 }
+        { 1FCA } { 0397 }
+        { 1FCB } { 0397 }
+        { 1FCC } { 1FCC }
+        { 1FD0 } { 1FD8 }
+        { 1FD1 } { 1FD9 }
+        { 1FD2 } { 03AA }
+        { 1FD3 } { 03AA }
+        { 1FD6 } { 0399 }
+        { 1FD7 } { 03AA }
+        { 1FD8 } { 1FD8 }
+        { 1FD9 } { 1FD9 }
+        { 1FDA } { 0399 }
+        { 1FDB } { 0399 }
+        { 1FE0 } { 1FE8 }
+        { 1FE1 } { 1FE9 }
+        { 1FE2 } { 03AB }
+        { 1FE3 } { 03AB }
+        { 1FE4 } { 03A1 }
+        { 1FE5 } { 03A1 }
+        { 1FE6 } { 03A5 }
+        { 1FE7 } { 03AB }
+        { 1FE8 } { 1FE8 }
+        { 1FE9 } { 1FE9 }
+        { 1FEA } { 03A5 }
+        { 1FEB } { 03A5 }
+        { 1FEC } { 1FEC }
+        { 1FF2 } { 1FFC }
+        { 1FF3 } { 1FFC }
+        { 1FF4 } { 1FFC }
+        { 1FF6 } { 03A9 }
+        { 1FF7 } { 1FFC }
+        { 1FF8 } { 039F }
+        { 1FF9 } { 039F }
+        { 1FFA } { 03A9 }
+        { 1FFB } { 03A9 }
+        { 1FFC } { 1FFC }
+        \q_recursion_tail ?
+        \q_recursion_stop
   }
 \group_end:
 \group_begin:
@@ -34132,7 +34576,7 @@
   }
 \cs_new:Npn \__text_purify_N_type:N #1
   {
-    \__text_if_recursion_tail_stop_do:Nn #1 { \__text_purify_end:w }
+    \__text_if_q_recursion_tail_stop_do:Nn #1 { \__text_purify_end:w }
     \__text_purify_N_type_aux:N #1
   }
 \cs_new:Npn \__text_purify_N_type_aux:N #1
@@ -34144,7 +34588,7 @@
   }
 \cs_new:Npn \__text_purify_math_search:NNN #1#2#3
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_q_recursion_tail_stop_do:Nn #2
       { \__text_purify_math_cmd:N #1 }
     \token_if_eq_meaning:NNTF #1 #2
       {
@@ -34185,7 +34629,7 @@
   }
 \cs_new:Npn \__text_purify_math_N_type:NNN #1#2#3
   {
-    \__text_if_recursion_tail_stop_do:Nn #3
+    \__text_if_q_recursion_tail_stop_do:Nn #3
       { \__text_purify_math_stop:Nw #1 }
     \token_if_eq_meaning:NNTF #3 #2
       { \__text_purify_math_end:w }
@@ -34213,7 +34657,7 @@
   }
 \cs_new:Npn \__text_purify_math_cmd:NN #1#2
   {
-    \__text_if_recursion_tail_stop_do:Nn #2
+    \__text_if_q_recursion_tail_stop_do:Nn #2
       { \__text_purify_replace:N #1 }
     \cs_if_eq:NNTF #2 #1
       {
@@ -34256,7 +34700,7 @@
   }
 \cs_new:Npn \__text_purify_protect:N #1
   {
-    \__text_if_recursion_tail_stop_do:Nn #1 { \__text_purify_end:w }
+    \__text_if_q_recursion_tail_stop_do:Nn #1 { \__text_purify_end:w }
     \__text_purify_loop:w
   }
 \cs_new:Npn \__text_purify_encoding:N #1

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex	2022-08-06 20:13:31 UTC (rev 64066)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-07-15}%
+\def\ExplFileDate{2022-08-05}%
 \let\ExplLoaderFileDate\ExplFileDate
 \begingroup
   \catcode`\_=11

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx	2022-08-06 20:13:31 UTC (rev 64066)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-07-15}%
+\def\ExplFileDate{2022-08-05}%
 \let\ExplLoaderFileDate\ExplFileDate
 \begingroup
   \catcode`\_=11

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty	2022-08-06 18:48:59 UTC (rev 64065)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty	2022-08-06 20:13:31 UTC (rev 64066)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-07-15}%
+\def\ExplFileDate{2022-08-05}%
 \let\ExplLoaderFileDate\ExplFileDate
 \ProvidesPackage{expl3}
   [%



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