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-rw-r--r--Master/texmf-dist/source/latex/base/ltfinal.dtx98
1 files changed, 67 insertions, 31 deletions
diff --git a/Master/texmf-dist/source/latex/base/ltfinal.dtx b/Master/texmf-dist/source/latex/base/ltfinal.dtx
index a19ffa83052..2652f6ce44e 100644
--- a/Master/texmf-dist/source/latex/base/ltfinal.dtx
+++ b/Master/texmf-dist/source/latex/base/ltfinal.dtx
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2022
+% Copyright (C) 1993-2023
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
@@ -33,7 +33,7 @@
%<*driver>
% \fi
\ProvidesFile{ltfinal.dtx}
- [2022/11/30 v2.2y LaTeX Kernel (Final Settings)]
+ [2023/05/30 v2.3c LaTeX Kernel (Final Settings)]
% \iffalse
\documentclass{ltxdoc}
\GetFileInfo{ltfinal.dtx}
@@ -1062,6 +1062,24 @@
\fi % End of reset block for 8-bit engines
% \end{macrocode}
%
+% \begin{macro}{\BCPdata}
+% \changes{v2.3a}{2023/04/16}{Command added}
+% A stub for use by \pkg{babel}, \pkg{polyglossia}, etc.
+% \begin{macrocode}
+\ExplSyntaxOn
+\newcommand*\BCPdata[1]{
+ \str_case:nn {#1}
+ {
+ { language } { en }
+ { region } { US }
+ { script } { Latn }
+ { tag } { en-US }
+ }
+}
+\ExplSyntaxOff
+% \end{macrocode}
+% \end{macro}
+%
% \begin{macro}{\MakeUppercase}
% \begin{macro}{\MakeLowercase}
% \begin{macro}{\MakeTitlecase}
@@ -1069,6 +1087,9 @@
% \begin{macro}{\AddToNoCaseChangeList}
% \begin{macro}{\CaseSwitch}
% \begin{macro}{\DeclareCaseChangeEquivalent}
+% \begin{macro}{\DeclareLowercaseMapping}
+% \begin{macro}{\DeclareTitlecaseMapping}
+% \begin{macro}{\DeclareUppercaseMapping}
% \begin{macro}{\@uclclist}
%
%
@@ -1088,6 +1109,7 @@
% \changes{v2.2x}{2022/10/26}{Introduce optional argument for case-changing commands}
% \changes{v2.2x}{2022/10/26}{Make case changing commands language-aware}
% \changes{v2.2x}{2022/10/26}{Auto-detect \pkg{babel} locale}
+% \changes{v2.3a}{2023/04/11}{Use new generic mechanism to detect locale}
% Wrappers around the L3 case changing functions.
% |\protected| to make them mostly safe as replacements for |uppercase|
% and |\lowercase|.
@@ -1121,33 +1143,24 @@
{
\cs_set_nopar:Npn \reserved@a { }
\tl_if_blank:nTF {#2}
- { \@@text@case@aux@ }
- { \keys_set:nn { __kernel } {#2} }
- \use:c { text_ #1 case:Vn } \reserved@a {#3}
- }
-\cs_new_protected:Npn \@@text@case@aux@ { }
-\tl_gput_right:Nn \@kernel@after@begindocument
- {
- \@ifpackageloaded { babel }
{
- \@ifpackagelater { babel } { 2020-01-15 }
+ \str_set:Nx \reserved@a
+ { \BCPdata { casing } }
+ \str_if_empty:NT \reserved@a
{
- \cs_gset_protected:Npn \@@text@case@aux@
- {
- \str_set:Nx \reserved@a
- { \localeinfo* { tag.bcp47 } }
- }
+ \str_set:Nx \reserved@a
+ { \BCPdata { language } }
}
- { }
}
- { }
+ { \keys_set:nn { __kernel } {#2} }
+ \use:c { text_ #1 case:Vn } \reserved@a {#3}
}
-\exp_args_generate:n { cnx }
% \end{macrocode}
% The odd use of \emph{three} spaces here is needed as \pkg{ltcmd} uses the
% name with one and two spaces to give a `friendly' error message for a runaway
% argument: that means we can't use it here.
% \begin{macrocode}
+\exp_args_generate:n { cnx }
\cs_set_protected:Npn \reserved@a #1
{
\cs_generate_variant:cn { text_ \str_lowercase:n {#1} case:nn } { V }
@@ -1161,36 +1174,35 @@
\reserved@a { Title }
% \end{macrocode}
% \changes{v2.2y}{2022/11/30}{Set \cs{oe}/\cs{OE} equal to act as a marker for \pkg{babel}}
+% \changes{v2.2z}{2023/03/28}{Use groups for gh/1021}
% Currently, \pkg{babel} uses the equivalence of \cs{oe} and \cs{OE} to force casing of
% some material, most notably in \cs{today}. To enable that to work, we have to set those
% commands equal even though the current case changing code does not work using this
% approach.
% \begin{macrocode}
\cs_new_protected:cpn { MakeLowercase \c_space_tl \c_space_tl \c_space_tl } [#1] #2
- {
- \let \kernel@saved@OE \OE
+ {{
\let \OE \oe
\@@text@case@aux { lower } {#1} {#2}
- \let \OE \kernel@saved@OE
- }
+ }}
\cs_new_protected:cpn { MakeUppercase \c_space_tl \c_space_tl \c_space_tl } [#1] #2
- {
- \let \kernel@saved@oe \oe
+ {{
\let \oe \OE
\@@text@case@aux { upper } {#1} {#2}
- \let \oe \kernel@saved@oe
- }
+ }}
\cs_new_protected:cpn { MakeTitlecase \c_space_tl \c_space_tl \c_space_tl } [#1] #2
- {
- \let \kernel@saved@oe \oe
+ {{
\let \oe \OE
\@@text@case@aux { title } {#1} {#2}
- \let \oe \kernel@saved@oe
- }
+ }}
% \end{macrocode}
%
% \changes{v2.2u}{2022/06/02}{Add \cs{NoCaseChange}}
% \changes{v2.2u}{2022/06/30}{Add \cs{AddToNoCaseChangeList}}
+% \changes{v2.3b}{2023/04/19}{Add \cs{DeclareLowercaseMapping},
+% \cs{DeclareTitlecaseMapping} and \cs{DeclareUppercaseMapping}}
+% \changes{v2.3c}{2023/05/30}{Fix a typo in implementation of
+% \cs{DeclareLowercaseMapping}, etc.}
% |\NoCaseChange| protects its argument from the case change functions.
%
% |\AddToNoCaseChangeList| Allows new commands to protect their arguments, eg
@@ -1204,6 +1216,27 @@
\cs_new_eq:NN \CaseSwitch \text_case_switch:nnnn
\cs_new_eq:NN \DeclareCaseChangeEquivalent
\text_declare_case_equivalent:Nn
+\NewDocumentCommand \DeclareLowercaseMapping { o m m }
+ {
+ \IfNoValueTF {#1}
+ { \text_declare_lowercase_mapping:nn }
+ { \text_declare_lowercase_mapping:nnn {#1} }
+ {#2} {#3}
+ }
+\NewDocumentCommand \DeclareTitlecaseMapping { o m m }
+ {
+ \IfNoValueTF {#1}
+ { \text_declare_titlecase_mapping:nn }
+ { \text_declare_titlecase_mapping:nnn {#1} }
+ {#2} {#3}
+ }
+\NewDocumentCommand \DeclareUppercaseMapping { o m m }
+ {
+ \IfNoValueTF {#1}
+ { \text_declare_uppercase_mapping:nn }
+ { \text_declare_uppercase_mapping:nnn {#1} }
+ {#2} {#3}
+ }
\ExplSyntaxOff
% \end{macrocode}
%
@@ -1222,6 +1255,9 @@
% \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}