l3 (12jan22)

git-svn-id: svn://tug.org/texlive/trunk@61588 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 7 insertions, 2 deletions

diff --git a/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx b/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
index 1f2c4eed3b7..39f98f5e28e 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
@@ -2,7 +2,7 @@
 %
 %% File: l3tl.dtx
 %
-% Copyright (C) 1990-2021 The LaTeX Project
+% Copyright (C) 1990-2022 The LaTeX Project
 %
 % It may be distributed and/or modified under the conditions of the
 % LaTeX Project Public License (LPPL), either version 1.3c of this
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2021-11-22}
+% \date{Released 2022-01-12}
 %
 % \maketitle
 %
@@ -301,6 +301,7 @@
 %   The \meta{token list_2} cannot contain the tokens |{|, |}| or |#|
 %   (more precisely, explicit character tokens with category code $1$
 %   (begin-group) or $2$ (end-group), and tokens with category code $6$).
+%   The search does \emph{not} enter brace (category code $1$/$2$) groups.
 % \end{function}
 %
 % \begin{function}[added = 2017-11-14, EXP,pTF]{\tl_if_novalue:n}
@@ -1072,6 +1073,10 @@
 %
 % \subsection{Replacing tokens}
 %
+% Within token lists, replacement takes place at the top level: there is
+% no recursion into brace groups (more precisely, within a group defined by
+% a categroy code $1$/$2$ pair).
+%
 % \begin{function}[updated = 2011-08-11]
 %   {
 %     \tl_replace_once:Nnn,  \tl_replace_once:cnn,