[latex3-commits] [git/LaTeX3-latex3-latex2e] hotfix/gh889: Introduce 2e names for new expl3 case functions (3fc79b2e)

[Joseph Wright]

Repository : https://github.com/latex3/latex2e
On branch  : hotfix/gh889
Link       : https://github.com/latex3/latex2e/commit/3fc79b2e05da257b5fb1bb7a4ac7b94ec0a8ee65

>---------------------------------------------------------------

commit 3fc79b2e05da257b5fb1bb7a4ac7b94ec0a8ee65
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Mon Jul 4 22:16:39 2022 +0100

    Introduce 2e names for new expl3 case functions


>---------------------------------------------------------------

3fc79b2e05da257b5fb1bb7a4ac7b94ec0a8ee65
 base/changes.txt |  7 +++++++
 base/ltfinal.dtx | 14 +++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/base/changes.txt b/base/changes.txt
index eeb9833e..e447452c 100644
--- a/base/changes.txt
+++ b/base/changes.txt
@@ -10,6 +10,13 @@ are not part of the distribution.
 All changes above are only part of the development branch for the next release.
 ================================================================================
 
+2022-07-04  Joseph Wright <Joseph.Wright at latex-project.org>
+
+	* ltfinal.dtx
+	Introduce \MAkeTitlecase, \CaseSwitch and \DeclareCaseChangeEquivalent
+	as LaTeX2e names for expl3 case changing hooks, needed to support
+	some customisation requirements (e.g. biblatex)
+
 #########################
 # 2022-06-01 PL4 Release
 ########################
diff --git a/base/ltfinal.dtx b/base/ltfinal.dtx
index 9859b279..9e5bbf5b 100644
--- a/base/ltfinal.dtx
+++ b/base/ltfinal.dtx
@@ -33,7 +33,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltfinal.dtx}
-             [2022/06/30 v2.2v LaTeX Kernel (Final Settings)]
+             [2022/07/04 v2.2w LaTeX Kernel (Final Settings)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltfinal.dtx}
@@ -1064,8 +1064,11 @@
 %
 % \begin{macro}{\MakeUppercase}
 % \begin{macro}{\MakeUppercase}
+% \begin{macro}{\MakeTitlecase}
 % \begin{macro}{\NoCaseChange}
 % \begin{macro}{\AddToNoCaseChangeList}
+% \begin{macro}{\CaseSwitch}
+% \begin{macro}{\DeclareCaseChangeEquivalent}
 % \begin{macro}{\@uclclist}
 %
 %
@@ -1081,6 +1084,7 @@
 %                {Use \cs{@expl at text@uppercase@@n}, removing local redefinition of \cs{UTF at two@octets at noexpand}}%
 % \changes{v2.2t}{2022/04/21}{Support \cs{noexpand} in argument of \cs{@expl at text@uppercase@@n}}
 % \changes{v2.2v}{2022/06/30}{Just use \cs{text_lowercase:n} without \cs{protectd at edf} gh/881x}%
+% \changes{v2.2w}{2022/07/04}{Introduced \cs{CaseSwitch}, \cs{DeclareCaseChangeEquivalent} and \cs{MakeTitlecase} to support hooking into case changing gh/889}%
 % Two wrappers around the L3 case changing functions.
 % |\protected| to make them mostly safe as replacements for |uppercase|
 % and |\lowercase|.  
@@ -1109,6 +1113,8 @@
 \cs_set_nopar:Npx\MakeUppercase#1{\use:c{MakeUppercase~}{#1}}
 \cs_new_protected_nopar:cpn{MakeLowercase~}{\text_lowercase:n}
 \cs_set_nopar:Npx\MakeLowercase#1{\use:c{MakeLowercase~}{#1}}
+\cs_new_protected_nopar:cpn{MakeTitlecase~}{\text_titlecase:n}
+\cs_set_nopar:Npx\MakeTitlecase#1{\use:c{MakeTitlecase~}{#1}}
 %    \end{macrocode}
 %
 % \changes{v2.2u}{2022/06/02}{Add \cs{NoCaseChange}}
@@ -1123,6 +1129,9 @@
          {\tl_put_right:Nn \l_text_case_exclude_arg_tl}
 \AddToNoCaseChangeList{ \NoCaseChange }
 \cs_new_protected:Npn \NoCaseChange #1 {#1}
+\cs_new_eq:NN \CaseSwitch \text_case_switch:nnnn
+\cs_new_eq:NN \DeclareCaseChangeEquivalent
+  \text_declare_case_equivalent:Nn
 \ExplSyntaxOff
 %    \end{macrocode}
 %
@@ -1138,6 +1147,9 @@
 % \end{macro}
 % \end{macro}
 % \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
 %
 % \changes{v1.0h}{1994/05/13}{Added output enc stuff}
 % \changes{v1.0i}{1994/05/16}{moved output enc stuff to lfonts}