l3kernel (21feb22)

git-svn-id: svn://tug.org/texlive/trunk@62127 c570f23f-e606-0410-a88d-b1316a301751

56 files changed, 153 insertions, 115 deletions

diff --git a/Master/texmf-dist/source/latex/l3kernel/expl3.dtx b/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
index 88f0cd1e3d2..33637761267 100644
--- a/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
@@ -24,7 +24,7 @@
 %
 %<*driver|generic|package|2ekernel>
 %</driver|generic|package|2ekernel>
-\def\ExplFileDate{2022-02-05}%
+\def\ExplFileDate{2022-02-21}%
 %<*driver>
 \documentclass[full]{l3doc}
 \usepackage{graphicx}
@@ -51,7 +51,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx b/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
index d5d95dc5c4c..43c8f0ea7b0 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -238,7 +238,8 @@
 %   Creates \meta{function} to expand to \meta{code} as replacement text.
 %   Within the \meta{code}, the \meta{parameters} (|#1|, |#2|,
 %   \emph{etc.}) will be replaced by those absorbed by the function.
-%   The \meta{function} will not expand within an \texttt{x}-type
+%   The \meta{function} will not expand within an \texttt{x}-type or
+%   or \texttt{e}-type
 %   argument. The definition is global and an error results if the
 %   \meta{function} is already defined.
 % \end{function}
@@ -383,7 +384,7 @@
 %   cannot contain \cs{par} tokens. The assignment of a meaning to the
 %   \meta{function} is \emph{not} restricted to the current \TeX{}
 %   group level: the assignment is global. The \meta{function} will
-%   not expand within an \texttt{x}-type argument.
+%   not expand within an \texttt{x}-type or \texttt{e}-type argument.
 % \end{function}
 %
 % \subsection{Defining new functions using the signature}
@@ -435,7 +436,7 @@
 %   automatically from the function signature. These \meta{parameters}
 %   (|#1|, |#2|, \emph{etc.}) will be replaced by those absorbed by the
 %   function. The \meta{function} will not expand within an \texttt{x}-type
-%   argument. The definition is global and
+%   or \texttt{e}-type argument. The definition is global and
 %   an error results if the \meta{function} is already defined.
 % \end{function}
 %
@@ -505,7 +506,7 @@
 %   automatically from the function signature. These \meta{parameters}
 %   (|#1|, |#2|, \emph{etc.}) will be replaced by those absorbed by the
 %   function. The \meta{function} will not expand within an \texttt{x}-type
-%   argument.
+%   or \texttt{e}-type argument.
 %   The assignment of a meaning to the \meta{function} is restricted to
 %   the current \TeX{} group level.
 % \end{function}
@@ -575,7 +576,7 @@
 %   automatically from the function signature. These \meta{parameters}
 %   (|#1|, |#2|, \emph{etc.}) will be replaced by those absorbed by the
 %   function. The \meta{function} will not expand within an \texttt{x}-type
-%   argument.
+%   or \texttt{e}-type argument.
 %   The assignment of a meaning to the \meta{function} is  global.
 % \end{function}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx b/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
index 153ff61c76c..e7ca9de026c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -194,7 +194,11 @@
     \expandafter\ifx\csname newcatcodetable\endcsname\relax
       \input{ltluatex}%
     \fi
-    \ifdefined\newluabytecode\newluabytecode\@expl@luadata@bytecode\fi
+    \begingroup\expandafter\expandafter\expandafter\endgroup
+    \expandafter\ifx\csname newluabytecode\endcsname\relax
+    \else
+      \newluabytecode\@expl@luadata@bytecode
+    \fi
     \directlua{require("expl3")}%
 %    \end{macrocode}
 %   As the user might be making a custom format, no assumption is made about
@@ -231,19 +235,20 @@
   \def\LongText%
     {%
       The L3 programming layer requires the e-TeX primitives and additional
-      functionality as described in the README file.
+      \LineBreak functionality as described in the README file.
       \LineBreak
       These are available in the engines\LineBreak
       - pdfTeX v1.40.0\LineBreak
       - XeTeX v0.99992\LineBreak
       - LuaTeX v1.10\LineBreak
       - e-(u)pTeX mid-2012\LineBreak
+      - Prote (2021)\LineBreak
       or later.\LineBreak
       \LineBreak
     }%
   \ifnum0%
     \expandafter\ifx\csname expanded\endcsname\relax
-      \ifx\csname pdfstrcmp\endcsname\relax\else 1\fi
+      \expandafter\ifx\csname pdfstrcmp\endcsname\relax\else 1\fi
     \else
       \expandafter\ifx\csname luatexversion\endcsname\relax
         1%
@@ -256,11 +261,15 @@
       \def\LineBreak{\noexpand\MessageBreak}%
       \expandafter\ifx\csname PackageError\endcsname\relax
         \def\LineBreak{^^J}%
-        \def\PackageError#1#2#3%
-          {%
-            \errhelp{#3}%
-            \errmessage{#1 Error: #2}%
-          }%
+        \begingroup
+          \lccode`\~=`\ \lccode`\}=`\ %
+          \lccode`\T=`\T\lccode`\H=`\H%
+          \catcode`\ =11 %
+\lowercase{\endgroup\def\PackageError#1#2#3{%
+\begingroup\errorcontextlines-1\immediate\write0{}\errhelp{#3}\def%
+\                                                   {#1 Error: #2.^^J^^J
+Type  H <return>  for immediate help}\def~{\errmessage{%
+\                                                   }}~\endgroup}}%
       \fi
       \edef\next
         {%
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3box.dtx b/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
index cca2b823138..9b674c29c73 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx b/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
index 5040b47e3cc..b6fc78141d1 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -357,7 +357,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{value}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -547,7 +547,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx b/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx
index 39fbca7b749..13ac02ce363 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3cctab.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx b/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
index 0ad3565b34c..7ec52dbb6fd 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -579,7 +579,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{items}
 %     do not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -604,7 +604,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{items}
 %     do not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -620,6 +620,12 @@
 %   resulting space-trimmed item is braced.  The \meta{separators} are
 %   then inserted in the same way as for \cs{clist_use:Nnnn} and
 %   \cs{clist_use:Nn}, respectively.
+%   \begin{texnote}
+%     The result is returned within the \tn{unexpanded}
+%     primitive (\cs{exp_not:n}), which means that the \meta{items}
+%     do not expand further when appearing in an \texttt{x}-type
+%     or \texttt{e}-type argument expansion.
+%   \end{texnote}
 % \end{function}
 %
 % \section{Comma lists as stacks}
@@ -724,7 +730,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -740,7 +746,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx b/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
index bdd3ea852f3..384dd662a07 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3color.dtx b/Master/texmf-dist/source/latex/l3kernel/l3color.dtx
index afef4571cd3..26139740973 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3color.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3color.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx b/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
index 9598ee81748..df93b6a70d6 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3debug.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx b/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
index 942b560c309..0dd2c89ce17 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx b/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
index fc0eed68da2..1abe3c44e05 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
@@ -85,7 +85,7 @@ and all files in that bundle must be distributed together.
 %    require you to do updates, if the class changes.}}
 %
 % \author{\Team}
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 % \maketitle
 % \tableofcontents
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx b/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
index 0c878d7a720..baca3921d81 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
@@ -63,7 +63,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx b/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
index c989a2b98c4..7415de8ce40 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -775,7 +775,7 @@
 %   and all of \meta{tokens} are expandable \cs{exp_stop_f:}
 %   terminates the expansion of tokens even if \meta{more tokens}
 %   are also expandable. The function itself is an implicit space
-%   token. Inside an \texttt{x}-type expansion, it retains its
+%   token. Inside an \texttt{x}-type or \texttt{e}-type expansion, it retains its
 %   form, but when typeset it produces the underlying space (\verb*| |).
 % \end{function}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3file.dtx b/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
index 89535d16221..aaadad73862 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx b/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
index ab8a80f5e84..7effab50aaf 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
index d966dfe94db..2a1cf315b0b 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 % \maketitle
 %
 % \begin{documentation}
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
index 677a4c7fa4f..cdd4ede0df2 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
index f0f9e0e10b3..973588f870b 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
index 77dcf718181..f31c850bafe 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
index 5c430948855..1c8d0a22d4e 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
index 7624b6f9ccc..48d5efe31a8 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
index 47dddb3502b..c804716ef2a 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
index 9441b647591..176147a8b97 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
index 55ef17d2df2..013366c38c8 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
index e7899c9831a..4a677424d3a 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
index fbf00f50837..a5d6cdad228 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 % \maketitle
 %
 % \begin{documentation}
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
index 1492ef23467..a6acbf63c58 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
@@ -40,7 +40,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
index 8419fcfeefb..1abdbddf93f 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
@@ -49,7 +49,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
index da6ada982b8..949a0c8d300 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3int.dtx b/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
index 3a2a08bff90..a8e15875fc3 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx b/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
index 4ee8d967e83..1e52ef5aacb 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx b/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
index 9147f69bcc8..f67983ae099 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx b/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
index 087bbf411d1..6c8d1ff55ff 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -87,6 +87,10 @@
 %       key-two = value two
 %     }
 % \end{verbatim}
+% As illustrated, keys are created inside a \meta{module}: a set of related
+% keys, typically those for a single module/\LaTeXe{} package. See
+% Section~\label{sec:l3keys:subdivision} for suggestions on how to divide
+% large numbers of keys for a single module.
 %
 % At a document level, \cs{keys_set:nn} is used within a
 % document function, for example
@@ -321,7 +325,8 @@
 %     \meta{key} .inherit:n = \Arg{parents}
 %   \end{syntax}
 %   Specifies that the \meta{key} path should inherit the keys listed
-%   as \meta{parents}. For example, after setting
+%   as any of the \meta{parents} (a comma list), which can be a module
+%   or a subgroup. For example, after setting
 %   \begin{verbatim}
 %     \keys_define:nn { foo } { test .code:n = \tl_show:n {#1} }
 %     \keys_define:nn { } { bar .inherit:n = foo }
@@ -334,6 +339,12 @@
 %   \begin{verbatim}
 %     \keys_set:nn { foo } { test = a }
 %   \end{verbatim}
+%   Inheritance applies at point of use, not at definition, thus keys may
+%   be added to the \meta{parent} after the use of \texttt{.inherit:n}
+%   and will be active.
+%   If more than one \meta{parent} is specified, the presence of the
+%   \meta{key} will be tested for each in turn, with the first successful
+%   hit taking priority.
 % \end{function}
 %
 % \begin{function}[updated = 2013-07-09]
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx b/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
index eadf0fcfa68..3fe875c8fda 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3legacy.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx b/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
index 4f5da9de7c9..9c33e123627 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
index 83a42fc50a5..af6bc4f4852 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3names.dtx b/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
index 585463685de..27305b7f1e2 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx b/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx
index 1ad30361e3e..d42f7c9865f 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3pdf.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
index efca65e23bf..1fcefca69cb 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
index 6033b875c36..55f0a02ff9c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -133,6 +133,10 @@
 %   signs.  The \meta{key} is then processed by \cs{tl_to_str:n}.
 %   This function correctly detects the |=| and |,| signs provided they
 %   have the standard category code~$12$ or they are active.
+%
+%   Notice that in contrast to most keyval lists (\emph{e.g.}~those in
+%   \pkg{l3keys}), each key here \emph{must} be followed with an \texttt{=}
+%   sign.
 % \end{function}
 %
 % \begin{function}[added = 2017-11-28, updated = 2021-11-07]
@@ -151,6 +155,10 @@
 %   keys appear only the last of the values is kept.
 %   This function correctly detects the |=| and |,| signs provided they
 %   have the standard category code~$12$ or they are active.
+%
+%   Notice that in contrast to most keyval lists (\emph{e.g.}~those in
+%   \pkg{l3keys}), each key here \emph{must} be followed with an \texttt{=}
+%   sign.
 % \end{function}
 %
 % \section{Adding and updating property list entries}
@@ -299,7 +307,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{value}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -321,7 +329,7 @@
 %   \begin{texnote}
 %     The result is returned within the \tn{unexpanded} primitive
 %     (\cs{exp_not:n}), which means that the key--value list does not expand
-%     further when appearing in an \texttt{x}-type argument expansion.
+%     further when appearing in an \texttt{x}-type or \texttt{e}-type argument expansion.
 %     It also needs exactly two steps of expansion.
 %   \end{texnote}
 % \end{function}
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx b/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
index 7b8cc3bb797..56b32e32d1c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx b/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
index 515b438dbdb..589f03f088c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx b/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
index 1eff1219f8c..115c74b74c1 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -320,7 +320,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -335,7 +335,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -749,7 +749,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{items}
 %     do not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -774,7 +774,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{items}
 %     do not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx b/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
index dddc1f55ee3..6260ff0e9f2 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx b/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
index 6671036d982..99b1aef0dd5 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx b/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
index 786ae307162..da7ccf07589 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3str-convert.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3str.dtx b/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
index eee1f004621..a53cc9a73f1 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx b/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
index 09758921dc5..f032ab07af7 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx b/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
index d93fad46242..b6c263c22d8 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3text-case.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -2082,37 +2082,40 @@
 % we check at the end of the preamble. This will therefore only apply
 % to \LaTeXe{} package mode.
 %    \begin{macrocode}
-\cs_if_exist:cT { @uclclist }
+\tl_if_exist:NT \@expl@finalise@setup@@@@
   {
-    \AtBeginDocument
+    \tl_gput_right:Nn \@expl@finalise@setup@@@@
       {
-        \group_begin:
-          \cs_set_protected:Npn \@@_change_case_setup:Nn #1#2
-            {
-              \quark_if_recursion_tail_stop:N #1
-              \tl_if_single_token:nT {#2}
+        \AtBeginDocument
+          {
+            \group_begin:
+              \cs_set_protected:Npn \@@_change_case_setup:Nn #1#2
                 {
-                  \cs_if_exist:cF
-                    { c_@@_uppercase_ \token_to_str:N #1 _tl }
+                  \quark_if_recursion_tail_stop:N #1
+                  \tl_if_single_token:nT {#2}
                     {
-                      \tl_const:cn
+                      \cs_if_exist:cF
                         { c_@@_uppercase_ \token_to_str:N #1 _tl }
-                        { #2 }
-                    }
-                  \cs_if_exist:cF
-                    { c_@@_lowercase_ \token_to_str:N #2 _tl }
-                    {
-                      \tl_const:cn
+                        {
+                          \tl_const:cn
+                            { c_@@_uppercase_ \token_to_str:N #1 _tl }
+                            { #2 }
+                        }
+                      \cs_if_exist:cF
                         { c_@@_lowercase_ \token_to_str:N #2 _tl }
-                        { #1 }
+                        {
+                          \tl_const:cn
+                            { c_@@_lowercase_ \token_to_str:N #2 _tl }
+                            { #1 }
+                        }
                     }
+                  \@@_change_case_setup:Nn
                 }
-              \@@_change_case_setup:Nn
-            }
-          \exp_after:wN \@@_change_case_setup:Nn \@uclclist
-          \q_recursion_tail ?
-          \q_recursion_stop
-        \group_end:
+              \exp_after:wN \@@_change_case_setup:Nn \@uclclist
+              \q_recursion_tail ?
+              \q_recursion_stop
+            \group_end:
+          }
       }
   }
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx b/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx
index 7211fdcf051..4ad1520adc1 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3text-purify.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3text.dtx b/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
index ad984ab0797..c230ab9f276 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3text.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx b/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
index 80007bfa7f8..228c14ba540 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx b/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
index 3637096e736..50612ce0c07 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
@@ -576,7 +576,7 @@
 %   \begin{texnote}
 %     The result is returned within \tn{unexpanded}, which means that the token
 %     list does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -613,7 +613,7 @@
 %   \begin{texnote}
 %     The result is returned within \tn{unexpanded}, which means that the token
 %     list does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -629,7 +629,7 @@
 %   \begin{texnote}
 %     The result is returned within \tn{unexpanded}, which means that the token
 %     list does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -878,7 +878,7 @@
 %   \begin{texnote}
 %     The result is returned within \cs{exp_not:n}, which means that the token
 %     list does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -923,7 +923,7 @@
 %   \begin{texnote}
 %     The result is returned within \cs{exp_not:n}, which means that the
 %     token list does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -944,7 +944,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -961,7 +961,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
@@ -1034,7 +1034,7 @@
 %     The result is returned within the \tn{unexpanded}
 %     primitive (\cs{exp_not:n}), which means that the \meta{item}
 %     does not expand further when appearing in an \texttt{x}-type
-%     argument expansion.
+%     or \texttt{e}-type argument expansion.
 %   \end{texnote}
 % \end{function}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3token.dtx b/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
index a233413aab7..06c1989df1c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx b/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
index 7a1babeca58..a173612e87b 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2022-02-05}
+% \date{Released 2022-02-21}
 %
 % \maketitle
 %