texlive[63177] Master/texmf-dist: l3kernel (29apr22)

commits+karl at tug.org commits+karl at tug.org
Fri Apr 29 23:14:21 CEST 2022


Revision: 63177
          http://tug.org/svn/texlive?view=revision&revision=63177
Author:   karl
Date:     2022-04-29 23:14:21 +0200 (Fri, 29 Apr 2022)
Log Message:
-----------
l3kernel (29apr22)

Modified Paths:
--------------
    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
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    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/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/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/l3kernel/CHANGELOG.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/CHANGELOG.md	2022-04-29 21:14:21 UTC (rev 63177)
@@ -7,6 +7,20 @@
 
 ## [Unreleased]
 
+## [2022-04-29]
+
+### Added
+- Language setting `el-xiota` for retention of ypogegrammeni when uppercasing
+  Greek
+
+### Changed
+- Rename case-changing variant `de-alt` to `de-xeszett` to align with
+  `luaotfload`
+- Allow for `\lccode`/`\uccode` changes in `\char_...case:n` functions
+
+### Fixed
+- Support for ypogegrammeni in case changing Greek (see issue \#1088)
+
 ## [2022-04-20]
 
 ### Changed
@@ -1078,7 +1092,8 @@
 - Step functions have been added for dim variables,
   e.g. `\dim_step_inline:nnnn`
 
-[Unreleased]: https://github.com/latex3/latex3/compare/2022-04-20...HEAD
+[Unreleased]: https://github.com/latex3/latex3/compare/2022-04-29...HEAD
+[2022-04-29]: https://github.com/latex3/latex3/compare/2022-04-20...2022-04-29
 [2022-04-20]: https://github.com/latex3/latex3/compare/2022-04-10...2022-04-20
 [2022-04-10]: https://github.com/latex3/latex3/compare/2022-02-24...2022-04-10
 [2022-02-24]: https://github.com/latex3/latex3/compare/2022-02-21...2022-02-24

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/README.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/README.md	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/README.md	2022-04-29 21:14:21 UTC (rev 63177)
@@ -1,7 +1,7 @@
 LaTeX3 Programming Conventions
 ==============================
 
-Release 2022-04-20
+Release 2022-04-29
 
 Overview
 --------

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/expl3.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/interface3.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -54,7 +54,7 @@
          {latex-team at latex-project.org}%
    }%
 }
-\date{Released 2022-04-20}
+\date{Released 2022-04-29}
 
 \pagenumbering{roman}
 \maketitle

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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.csv	2022-04-29 21:14:21 UTC (rev 63177)
@@ -184,6 +184,7 @@
 pkgploader,pkgploader,Michiel Helvensteijn,,,,2014-02-05,2014-02-05,
 platex,platex,Japanese TeX Development Community,https://github.com/texjporg/platex,https://github.com/texjporg/platex.git,https://github.com/texjporg/platex/issues,2020-09-30,2020-09-30,
 polyglossia,polyglossia,Arthur Reutenauer,https://www.polyglossia.org/,https://github.com/reutenauer/polyglossia,https://github.com/reutenauer/polyglossia/issues,2019-09-03,,
+postnotes,postnotes,Gustavo Barros,https://github.com/gusbrs/postnotes,https://github.com/gusbrs/postnotes.git,https://github.com/gusbrs/postnotes/issues,2022-04-23,2022-04-23,
 prelim,prelim2e,Marei Peischl,https://github.com/TeXhackse/prelim2e,https://github.com/TeXhackse/prelim2e.git,https://github.com/TeXhackse/prelim2e/issues,2020-11-24,2020-11-24,
 prg,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,
 primargs,morewrites,Bruno Le Floch,https://github.com/blefloch/latex-morewrites,https://github.com/blefloch/latex-morewrites.git,https://github.com/blefloch/latex-morewrites/issues,2013-03-16,2015-09-22,
@@ -222,7 +223,7 @@
 sys,l3kernel,The LaTeX Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2015-09-07,2015-09-08,
 tag,l3kernel,The LaTeX Project,https://www.latex-project.org/latex3.html,https://github.com/latex3/latex3.git,https://github.com/latex3/latex3/issues,2019-06-02,2019-06-02,
 tasks,tasks,Clemens Niederberger,https://github.com/cgnieder/tasks/,https://github.com/cgnieder/tasks.git,https://github.com/cgnieder/cgnieder/tasks/issues,2013-03-16,2020-04-14,
-tblr,tabularray,Jianrui Lyu,https://github.com/lvjr/tabularray,https://github.com/lvjr/tabularray.git,https://github.com/lvjr/tabularray/issues,2022-04-02,2022-04-02
+tblr,tabularray,Jianrui Lyu,https://github.com/lvjr/tabularray,https://github.com/lvjr/tabularray.git,https://github.com/lvjr/tabularray/issues,2022-04-02,2022-04-02,
 tcobox,tcolorbox,Thomas F. Sturm,https://github.com/T-F-S/tcolorbox,https://github.com/T-F-S/tcolorbox.git,https://github.com/T-F-S/tcolorbox/issues,2020-02-19,2020-02-19,
 term,l3kernel,The 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,

Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3prefixes.pdf
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Modified: trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3styleguide.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2022-04-20}
+\date{Released 2022-04-29}
 
 \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	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3syntax-changes.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2022-04-20}
+\date{Released 2022-04-29}
 
 \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	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/l3term-glossary.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -32,7 +32,7 @@
         {latex-team at latex-project.org}%
     }%
 }
-\date{Released 2022-04-20}
+\date{Released 2022-04-29}
 
 \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	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/doc/latex/l3kernel/source3.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -53,7 +53,7 @@
          {latex-team at latex-project.org}%
    }%
 }
-\date{Released 2022-04-20}
+\date{Released 2022-04-29}
 
 \pagenumbering{roman}
 \maketitle

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/expl3.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -24,7 +24,7 @@
 %
 %<*driver|generic|package|2ekernel>
 %</driver|generic|package|2ekernel>
-\def\ExplFileDate{2022-04-20}%
+\def\ExplFileDate{2022-04-29}%
 %<*driver>
 \documentclass[full]{l3doc}
 \usepackage{graphicx}
@@ -51,7 +51,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3box.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
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Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
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Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
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-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
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===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3color.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3color.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3color.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -85,7 +85,7 @@
 %    require you to do updates, if the class changes.}}
 %
 % \author{\Team}
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 % \maketitle
 % \tableofcontents
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -63,7 +63,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3file.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 % \maketitle
 %
 % \begin{documentation}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 % \maketitle
 %
 % \begin{documentation}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -40,7 +40,7 @@
 %          {latex-team at latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -49,7 +49,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3int.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3names.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3str.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %
@@ -732,8 +732,8 @@
 % \end{macro}
 % \end{macro}
 %
-% \begin{macro}[EXP]{\@@_change_case_upper_de-alt:nnnN}
-% \begin{macro}[EXP]{\@@_change_case_upper_de-alt:nnnNN}
+% \begin{macro}[EXP]{\@@_change_case_upper_de-xeszett:nnnN, \@@_change_case_upper_de-alt:nnnN}
+% \begin{macro}[EXP]{\@@_change_case_upper_de-xeszett:nnnNN}
 %   A simple alternative version for German.
 %    \begin{macrocode}
 \bool_lazy_or:nnTF
@@ -740,7 +740,7 @@
   { \sys_if_engine_luatex_p: }
   { \sys_if_engine_xetex_p: }
   {
-    \cs_new:cpn { @@_change_case_upper_de-alt:nnnN } #1#2#3#4
+    \cs_new:cpn { @@_change_case_upper_de-xeszett:nnnN } #1#2#3#4
       {
         \int_compare:nNnTF { `#4 } = { "00DF }
           {
@@ -753,16 +753,16 @@
       }
   }
   {
-    \cs_new:cpx { @@_change_case_upper_de-alt:nnnN } #1#2#3#4
+    \cs_new:cpx { @@_change_case_upper_de-xeszett:nnnN } #1#2#3#4
       {
         \exp_not:N \int_compare:nNnTF { `#4 } = { "00C3 }
           {
-            \exp_not:c { @@_change_case_upper_de-alt:nnnNN }
+            \exp_not:c { @@_change_case_upper_de-xeszett:nnnNN }
               {#1} {#2} {#3} #4
           }
           { \exp_not:N \@@_change_case_char:nnnN {#1} {#2} {#3} #4 }
       }
-    \cs_new:cpn { @@_change_case_upper_de-alt:nnnNN } #1#2#3#4#5
+    \cs_new:cpn { @@_change_case_upper_de-xeszett:nnnNN } #1#2#3#4#5
       {
         \int_compare:nNnTF { `#5 } = { "009F }
           {
@@ -772,14 +772,21 @@
           { \@@_change_case_char:nnnN {#1} {#2} {#3} #4#5 }
       }
   }
+\cs_new_eq:cc { @@_change_case_upper_de-alt:nnnN }
+  { @@_change_case_upper_de-xeszett:nnnN }
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}
 %
-% \begin{macro}[EXP]{\@@_change_case_upper_el:nnnN}
+% \begin{macro}[EXP]
+%   {\@@_change_case_upper_el:nnnN, \@@_change_case_upper_el-xiota:nnnN}
+% \begin{macro}[EXP]
+%   {\@@_change_case_upper_el:N, \@@_change_case_upper_el-xiota:N}
 % \begin{macro}[EXP]{\@@_change_case_upper_el:nnn}
 % \begin{macro}[EXP]{\@@_change_case_upper_el:nnNw}
 % \begin{macro}[EXP]{\@@_change_case_upper_el:NnnN}
+% \begin{macro}[EXP]{\@@_change_case_upper_el_ypogegrammeni:Nnnnnw}
+% \begin{macro}[EXP]{\@@_change_case_upper_el_ypogegrammeni:NnnnnN}
 % \begin{macro}[EXP]{\@@_change_case_upper_el_dialytika:nnN}
 % \begin{macro}[EXP]{\@@_change_case_upper_el_dialytika:N}
 % \begin{macro}[EXP]{\@@_change_case_upper_el_hiatus:nnNw}
@@ -791,14 +798,17 @@
 % \begin{macro}[EXP,pTF]{\@@_change_case_if_greek_accent:n}
 % \begin{macro}[EXP,pTF]{\@@_change_case_if_greek_diacritic:n}
 % \begin{macro}[EXP,TF]{\@@_change_case_if_takes_dialytika:n}
+% \begin{macro}[EXP,TF]{\@@_change_case_if_takes_ypogegrammeni:n}
 %   For Greek uppercasing, we need to know if characters \emph{in the Greek
 %   range} have accents. That means doing a \textsc{nfd} conversion first, then
 %   starting a search. As described by the Unicode \textsc{cldr}, Greek accents
 %   need to be found \emph{after} any U+0308 (diaeresis) and are done in two
 %   groups to allow for the canonical ordering. The implementation here follows
-%   the data and examples from ICU
-%   (\url{https://sites.google.com/site/icusite/design/case/greek-upper}),
-%   although necessarily the implementation is somewhat different.
+%   the data and examples from \textsc{icu}
+%   (\url{https://icu.unicode.org/design/case/greek-upper}),
+%   although necessarily the implementation is somewhat different. The
+%   \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
   { \sys_if_engine_luatex_p: }
@@ -811,8 +821,27 @@
             \exp_args:Ne \@@_change_case_upper_el:nnn
               { \char_to_nfd:N #4 } {#2} {#3}
           }
-          { \@@_change_case_char:nnnN {#1} {#2} {#3} #4 }
+          {
+            \int_compare:nNnTF { `#4 } = { "0345 }
+              {
+                \@@_change_case_store:e
+                  {
+                    \use:c { @@_change_case_upper_ #3 :N } #4
+                  }
+                \@@_change_case_loop:nnw {#2} {#3}
+              }
+              { \@@_change_case_char:nnnN {#1} {#2} {#3} #4 }
+          }
       }
+    \cs_new_eq:cN { @@_change_case_upper_el-xiota:nnnN }
+      \@@_change_case_upper_el:nnnN
+    \cs_new:Npn \@@_change_case_upper_el:N #1
+      {
+        \char_generate:nn { "0399 }
+          { \char_value_catcode:n { "0399 } }
+      }
+    \cs_new:cpn { @@_change_case_upper_el-xiota:N } #1
+      { \exp_not:n {#1} }
     \cs_new:Npn \@@_change_case_upper_el:nnn #1#2#3
       { \@@_change_case_upper_el:nnNw {#2} {#3} #1 }
 %    \end{macrocode}
@@ -833,7 +862,10 @@
 %    \end{macrocode}
 %   Now, we check the detail of the next codepoint: again we filter out the
 %   not-a-char cases, before checking if it's an dialytika, accent or diacritic.
-%   (The latter do not have the same hiatus behavior as accents.)
+%   (The latter do not have the same hiatus behavior as accents.) There is
+%   additional work if the codepoint can take a ypogegrammeni: there, we need
+%   to move any ypogegrammeni to after accents (in case the input is not
+%   normalised). The ypogegrammeni itself is handled separately.
 %    \begin{macrocode}
     \cs_new:Npn \@@_change_case_upper_el:NnnN #1#2#3#4
       {
@@ -843,22 +875,66 @@
             \@@_change_case_loop:nnw {#2} {#3} #4
           }
           {
-            \int_compare:nNnTF { `#4 } = { "0308 }
-              { \@@_change_case_upper_el_dialytika:nnN {#2} {#3} #1 }
+            \@@_change_case_if_takes_ypogegrammeni:nTF { `#1 }
               {
-                 \@@_change_case_if_greek_accent:nTF { `#4 }
-                  { \@@_change_case_upper_el_hiatus:nnNw {#2} {#3} #1 }
+                \@@_change_case_upper_el_ypogegrammeni:Nnnnnw
+                  #1 {#2} {#3} { } { } #4
+              }
+              { \@@_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4 }
+          }
+      }
+    \cs_new:Npn \@@_change_case_upper_el_ypogegrammeni:Nnnnnw
+      #1#2#3#4#5#6 \q_@@_recursion_stop
+      {
+        \tl_if_head_is_N_type:nTF {#6}
+          {
+            \@@_change_case_upper_el_ypogegrammeni:NnnnnN
+              #1 {#2} {#3} {#4} {#5}
+          }
+          { \@@_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4#5 }
+            #6 \q_@@_recursion_stop
+      }
+    \cs_new:Npn \@@_change_case_upper_el_ypogegrammeni:NnnnnN #1#2#3#4#5#6
+      {
+        \token_if_cs:NTF #6
+          { \@@_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4#5 #6 }
+          {
+            \int_compare:nNnTF { `#6 } = { "0345 }
+              {
+                \@@_change_case_upper_el_ypogegrammeni:Nnnnnw
+                  #1 {#2} {#3} {#4} {#6}
+              }
+              {
+                \bool_lazy_or:nnTF
+                  { \@@_change_case_if_greek_accent_p:n { `#6 } }
+                  { \@@_change_case_if_greek_diacritic_p:n { `#6 } }
                   {
-                    \@@_change_case_if_greek_diacritic:nTF { `#4 }
-                      {
-                        \@@_change_case_store:e { \char_uppercase:N #1 }
-                        \@@_change_case_loop:nnw {#2} {#3}
-                      }
-                      {
-                        \@@_change_case_store:e { \char_uppercase:N #1 }
-                        \@@_change_case_loop:nnw {#2} {#3} #4
-                      }
+                    \@@_change_case_upper_el_ypogegrammeni:Nnnnnw
+                      #1 {#2} {#3} {#4#6} {#5}
                   }
+                  { \@@_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4#5 #6 }
+            }
+          }
+      }
+    \cs_new:Npn \@@_change_case_upper_el_aux:NnnN #1#2#3#4
+      {
+        \int_compare:nNnTF { `#4 } = { "0308 }
+          { \@@_change_case_upper_el_dialytika:nnN {#2} {#3} #1 }
+          {
+            \@@_change_case_if_greek_accent:nTF { `#4 }
+              { \@@_change_case_upper_el_hiatus:nnNw {#2} {#3} #1 }
+              {
+                \@@_change_case_if_greek_diacritic:nTF { `#4 }
+                  {
+                    \@@_change_case_store:e { \char_uppercase:N #1 }
+                    \@@_change_case_loop:nnw {#2} {#3}
+                  }
+                  {
+                    \int_compare:nNnTF { `#4 } = { "0345 }
+                      { \@@_change_case_store:e { [XXX] } }
+                      { \@@_change_case_store:e { \char_uppercase:N #1 } }
+                    \@@_change_case_loop:nnw {#2} {#3} #4
+                  }
               }
           }
       }
@@ -949,7 +1025,11 @@
           \prg_return_false:
         \else:
           \if_int_compare:w #1 > "1FFF \exp_stop_f:
-            \prg_return_false:
+            \if_int_compare:w #1 = "2126 \exp_stop_f:
+              \prg_return_true:
+            \else:
+              \prg_return_false:
+            \fi:
           \else:
             \prg_return_true:
           \fi:
@@ -1034,7 +1114,23 @@
         \fi:
       \fi:
     \fi:
-   }
+  }
+\prg_new_conditional:Npnn \@@_change_case_if_takes_ypogegrammeni:n #1 { TF }
+  {
+    \if_int_compare:w #1 = "03B1 \exp_stop_f:
+      \prg_return_true:
+    \else:
+      \if_int_compare:w #1 = "03B7 \exp_stop_f:
+        \prg_return_true:
+      \else:
+        \if_int_compare:w #1 = "03C9 \exp_stop_f:
+          \prg_return_true:
+        \else:
+          \prg_return_false:
+        \fi:
+      \fi:
+    \fi:
+  }
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}
@@ -1051,6 +1147,10 @@
 % \end{macro}
 % \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}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3text.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %
@@ -154,7 +154,7 @@
 %       The case pairs I/i-dotless and I-dot/i are activated for these
 %       languages. The combining dot mark is removed when lowercasing
 %       I-dot and introduced when upper casing i-dotless.
-%     \item German (\texttt{de-alt}).
+%     \item German (\texttt{de-xeszett}).
 %       An alternative mapping for German in which the lowercase
 %       \emph{Eszett} maps to a \emph{gro\ss{}es Eszett}. Since there is
 %       a |T1| slot for the \emph{gro\ss{}es Eszett} in |T1|, this
@@ -163,7 +163,10 @@
 %     \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.)
+%       for Unicode engines.) A variant \texttt{el-xiota} is available
+%       which retains the \textit{ypogegrammeni} (subscript muted iota)
+%       when uppercasing: the standard version converts these to a following
+%       capital iota.
 %     \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

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3token.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %
@@ -1975,7 +1975,15 @@
   { \cs_if_exist_p:N \tex_XeTeXversion:D }
   {
     \cs_set:Npn \@@_str_change_case:nN #1#2
-      { \tl_to_str:n {#2} }
+      {
+        \int_compare:nNnTF {#1} = 0
+          { \tl_to_str:n {#2} }
+          {
+            \int_compare:nTF { `A <= #1 <= `z }
+              { \char_generate:nn {#1} { 12 } }
+              { \tl_to_str:n {#2} }
+          }
+      }
   }
 %    \end{macrocode}
 % \end{macro}

Modified: trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
===================================================================
--- trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-04-20}
+% \date{Released 2022-04-29}
 %
 % \maketitle
 %
@@ -240,26 +240,11 @@
     \group_end:
   }
 %    \end{macrocode}
-% For the $8$-bit engines, the above is skipped but there is still some
-% set up required. As case changing can only be applied to bytes, and
-% they have to be in the ASCII range, we define a series of data stores
-% to represent them, and the data are used such that only these are
-% ever case-changed. We do open and close one file to force allocation of
-% a read: this keeps all engines in line.
+% For the $8$-bit engines, open the stream and close again: this keeps
+% file records the same.
 %    \begin{macrocode}
   {
     \group_begin:
-      \cs_set_protected:Npn \@@_tmp:NN #1#2
-        {
-          \quark_if_recursion_tail_stop:N #2
-          \tl_const:cn { c_@@_uppercase_ #2 _tl } {#1}
-          \tl_const:cn { c_@@_lowercase_ #1 _tl } {#2}
-          \tl_const:cn { c_@@_foldcase_  #1 _tl } {#2}
-          \@@_tmp:NN
-        }
-      \@@_tmp:NN
-        AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz
-        ? \q_recursion_tail \q_recursion_stop
       \ior_open:Nn \g_@@_data_ior { UnicodeData.txt }
       \ior_close:N \g_@@_data_ior
     \group_end:

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -70,7 +70,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-04-20}%
+\def\ExplFileDate{2022-04-29}%
 \begingroup
   \def\next{\endgroup}%
   \expandafter\ifx\csname PackageError\endcsname\relax
@@ -9027,7 +9027,15 @@
   { \cs_if_exist_p:N \tex_XeTeXversion:D }
   {
     \cs_set:Npn \__char_str_change_case:nN #1#2
-      { \tl_to_str:n {#2} }
+      {
+        \int_compare:nNnTF {#1} = 0
+          { \tl_to_str:n {#2} }
+          {
+            \int_compare:nTF { `A <= #1 <= `z }
+              { \char_generate:nn {#1} { 12 } }
+              { \tl_to_str:n {#2} }
+          }
+      }
   }
 \tl_const:Nx \c_catcode_other_space_tl { \char_generate:nn { `\  } { 12 } }
 \scan_new:N \s__token_mark
@@ -31661,17 +31669,6 @@
   }
   {
     \group_begin:
-      \cs_set_protected:Npn \__char_tmp:NN #1#2
-        {
-          \quark_if_recursion_tail_stop:N #2
-          \tl_const:cn { c__char_uppercase_ #2 _tl } {#1}
-          \tl_const:cn { c__char_lowercase_ #1 _tl } {#2}
-          \tl_const:cn { c__char_foldcase_  #1 _tl } {#2}
-          \__char_tmp:NN
-        }
-      \__char_tmp:NN
-        AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz
-        ? \q_recursion_tail \q_recursion_stop
       \ior_open:Nn \g__char_data_ior { UnicodeData.txt }
       \ior_close:N \g__char_data_ior
     \group_end:
@@ -32687,7 +32684,7 @@
   { \sys_if_engine_luatex_p: }
   { \sys_if_engine_xetex_p: }
   {
-    \cs_new:cpn { __text_change_case_upper_de-alt:nnnN } #1#2#3#4
+    \cs_new:cpn { __text_change_case_upper_de-xeszett:nnnN } #1#2#3#4
       {
         \int_compare:nNnTF { `#4 } = { "00DF }
           {
@@ -32700,16 +32697,16 @@
       }
   }
   {
-    \cs_new:cpx { __text_change_case_upper_de-alt:nnnN } #1#2#3#4
+    \cs_new:cpx { __text_change_case_upper_de-xeszett:nnnN } #1#2#3#4
       {
         \exp_not:N \int_compare:nNnTF { `#4 } = { "00C3 }
           {
-            \exp_not:c { __text_change_case_upper_de-alt:nnnNN }
+            \exp_not:c { __text_change_case_upper_de-xeszett:nnnNN }
               {#1} {#2} {#3} #4
           }
           { \exp_not:N \__text_change_case_char:nnnN {#1} {#2} {#3} #4 }
       }
-    \cs_new:cpn { __text_change_case_upper_de-alt:nnnNN } #1#2#3#4#5
+    \cs_new:cpn { __text_change_case_upper_de-xeszett:nnnNN } #1#2#3#4#5
       {
         \int_compare:nNnTF { `#5 } = { "009F }
           {
@@ -32719,6 +32716,8 @@
           { \__text_change_case_char:nnnN {#1} {#2} {#3} #4#5 }
       }
   }
+\cs_new_eq:cc { __text_change_case_upper_de-alt:nnnN }
+  { __text_change_case_upper_de-xeszett:nnnN }
 \bool_lazy_or:nnT
   { \sys_if_engine_luatex_p: }
   { \sys_if_engine_xetex_p: }
@@ -32730,8 +32729,27 @@
             \exp_args:Ne \__text_change_case_upper_el:nnn
               { \char_to_nfd:N #4 } {#2} {#3}
           }
-          { \__text_change_case_char:nnnN {#1} {#2} {#3} #4 }
+          {
+            \int_compare:nNnTF { `#4 } = { "0345 }
+              {
+                \__text_change_case_store:e
+                  {
+                    \use:c { __text_change_case_upper_ #3 :N } #4
+                  }
+                \__text_change_case_loop:nnw {#2} {#3}
+              }
+              { \__text_change_case_char:nnnN {#1} {#2} {#3} #4 }
+          }
       }
+    \cs_new_eq:cN { __text_change_case_upper_el-xiota:nnnN }
+      \__text_change_case_upper_el:nnnN
+    \cs_new:Npn \__text_change_case_upper_el:N #1
+      {
+        \char_generate:nn { "0399 }
+          { \char_value_catcode:n { "0399 } }
+      }
+    \cs_new:cpn { __text_change_case_upper_el-xiota:N } #1
+      { \exp_not:n {#1} }
     \cs_new:Npn \__text_change_case_upper_el:nnn #1#2#3
       { \__text_change_case_upper_el:nnNw {#2} {#3} #1 }
     \cs_new:Npn \__text_change_case_upper_el:nnNw #1#2#3#4 \q__text_recursion_stop
@@ -32752,22 +32770,66 @@
             \__text_change_case_loop:nnw {#2} {#3} #4
           }
           {
-            \int_compare:nNnTF { `#4 } = { "0308 }
-              { \__text_change_case_upper_el_dialytika:nnN {#2} {#3} #1 }
+            \__text_change_case_if_takes_ypogegrammeni:nTF { `#1 }
               {
-                 \__text_change_case_if_greek_accent:nTF { `#4 }
-                  { \__text_change_case_upper_el_hiatus:nnNw {#2} {#3} #1 }
+                \__text_change_case_upper_el_ypogegrammeni:Nnnnnw
+                  #1 {#2} {#3} { } { } #4
+              }
+              { \__text_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4 }
+          }
+      }
+    \cs_new:Npn \__text_change_case_upper_el_ypogegrammeni:Nnnnnw
+      #1#2#3#4#5#6 \q__text_recursion_stop
+      {
+        \tl_if_head_is_N_type:nTF {#6}
+          {
+            \__text_change_case_upper_el_ypogegrammeni:NnnnnN
+              #1 {#2} {#3} {#4} {#5}
+          }
+          { \__text_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4#5 }
+            #6 \q__text_recursion_stop
+      }
+    \cs_new:Npn \__text_change_case_upper_el_ypogegrammeni:NnnnnN #1#2#3#4#5#6
+      {
+        \token_if_cs:NTF #6
+          { \__text_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4#5 #6 }
+          {
+            \int_compare:nNnTF { `#6 } = { "0345 }
+              {
+                \__text_change_case_upper_el_ypogegrammeni:Nnnnnw
+                  #1 {#2} {#3} {#4} {#6}
+              }
+              {
+                \bool_lazy_or:nnTF
+                  { \__text_change_case_if_greek_accent_p:n { `#6 } }
+                  { \__text_change_case_if_greek_diacritic_p:n { `#6 } }
                   {
-                    \__text_change_case_if_greek_diacritic:nTF { `#4 }
-                      {
-                        \__text_change_case_store:e { \char_uppercase:N #1 }
-                        \__text_change_case_loop:nnw {#2} {#3}
-                      }
-                      {
-                        \__text_change_case_store:e { \char_uppercase:N #1 }
-                        \__text_change_case_loop:nnw {#2} {#3} #4
-                      }
+                    \__text_change_case_upper_el_ypogegrammeni:Nnnnnw
+                      #1 {#2} {#3} {#4#6} {#5}
                   }
+                  { \__text_change_case_upper_el_aux:NnnN #1 {#2} {#3} #4#5 #6 }
+            }
+          }
+      }
+    \cs_new:Npn \__text_change_case_upper_el_aux:NnnN #1#2#3#4
+      {
+        \int_compare:nNnTF { `#4 } = { "0308 }
+          { \__text_change_case_upper_el_dialytika:nnN {#2} {#3} #1 }
+          {
+            \__text_change_case_if_greek_accent:nTF { `#4 }
+              { \__text_change_case_upper_el_hiatus:nnNw {#2} {#3} #1 }
+              {
+                \__text_change_case_if_greek_diacritic:nTF { `#4 }
+                  {
+                    \__text_change_case_store:e { \char_uppercase:N #1 }
+                    \__text_change_case_loop:nnw {#2} {#3}
+                  }
+                  {
+                    \int_compare:nNnTF { `#4 } = { "0345 }
+                      { \__text_change_case_store:e { [XXX] } }
+                      { \__text_change_case_store:e { \char_uppercase:N #1 } }
+                    \__text_change_case_loop:nnw {#2} {#3} #4
+                  }
               }
           }
       }
@@ -32842,7 +32904,11 @@
           \prg_return_false:
         \else:
           \if_int_compare:w #1 > "1FFF \exp_stop_f:
-            \prg_return_false:
+            \if_int_compare:w #1 = "2126 \exp_stop_f:
+              \prg_return_true:
+            \else:
+              \prg_return_false:
+            \fi:
           \else:
             \prg_return_true:
           \fi:
@@ -32924,7 +32990,23 @@
         \fi:
       \fi:
     \fi:
-   }
+  }
+\prg_new_conditional:Npnn \__text_change_case_if_takes_ypogegrammeni:n #1 { TF }
+  {
+    \if_int_compare:w #1 = "03B1 \exp_stop_f:
+      \prg_return_true:
+    \else:
+      \if_int_compare:w #1 = "03B7 \exp_stop_f:
+        \prg_return_true:
+      \else:
+        \if_int_compare:w #1 = "03C9 \exp_stop_f:
+          \prg_return_true:
+        \else:
+          \prg_return_false:
+        \fi:
+      \fi:
+    \fi:
+  }
 \bool_lazy_or:nnT
   { \sys_if_engine_luatex_p: }
   { \sys_if_engine_xetex_p: }

Modified: trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex
===================================================================
--- trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3-generic.tex	2022-04-29 21:14:21 UTC (rev 63177)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-04-20}%
+\def\ExplFileDate{2022-04-29}%
 \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	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.ltx	2022-04-29 21:14:21 UTC (rev 63177)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-04-20}%
+\def\ExplFileDate{2022-04-29}%
 \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	2022-04-29 21:13:41 UTC (rev 63176)
+++ trunk/Master/texmf-dist/tex/latex/l3kernel/expl3.sty	2022-04-29 21:14:21 UTC (rev 63177)
@@ -19,7 +19,7 @@
 %% and all files in that bundle must be distributed together.
 %% 
 %% File: expl3.dtx
-\def\ExplFileDate{2022-04-20}%
+\def\ExplFileDate{2022-04-29}%
 \let\ExplLoaderFileDate\ExplFileDate
 \ProvidesPackage{expl3}
   [%



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