diff options
author | Karl Berry <karl@freefriends.org> | 2023-12-08 21:36:03 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2023-12-08 21:36:03 +0000 |
commit | 801627f1bc8e15dbaf9dabf3eb66d5926b77171d (patch) | |
tree | 4f96944a520e450c5710b54b6e2ab3dd17289957 /Master/texmf-dist/source/latex/l3kernel/l3token.dtx | |
parent | 6d3705c4cb01ac51e8b9224ceef15066cf850536 (diff) |
l3kernel (8dec23)
git-svn-id: svn://tug.org/texlive/trunk@69066 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/source/latex/l3kernel/l3token.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/l3kernel/l3token.dtx | 182 |
1 files changed, 3 insertions, 179 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3token.dtx b/Master/texmf-dist/source/latex/l3kernel/l3token.dtx index 4e7e1c4745f..bf882c57e48 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 2023-11-09} +% \date{Released 2023-12-08} % % \maketitle % @@ -1132,9 +1132,9 @@ % \item Some frozen tokens can only be accessed in interactive % sessions: |\cr|, |\right|, |\endgroup|, |\fi|, |\inaccessible|. % \item In \LuaTeX{}, there is also the strange case of \enquote{bytes} -% |^^^^^^1100|$x$$y$ where $x,y$ are any two lowercase hexadecimal +% |^^^^^^1100|$xy$ where $x,y$ are any two lowercase hexadecimal % digits, so that the hexadecimal number ranges from -% $"\text{110000}=1114112$ to~$"\text{1100ff}=1114367$. These are +% |"|$11\,0000=1\,114\,112$ to~|"|$110\,0\mathrm{ff}=1\,114\,367$. These are % used to output individual bytes to files, rather than UTF-8. For % the purposes of token comparisons they behave like non-expandable % primitive control sequences (\emph{not characters}) whose @@ -1219,28 +1219,6 @@ % characters at the start of the argument are \emph{not} ignored in this % case (and they prevent brace-stripping). % -% \section{Deprecated functions} -% -% \begin{function}[added = 2020-01-09, EXP] -% { -% \char_lowercase:N, \char_uppercase:N, -% \char_titlecase:N, \char_foldcase:N, -% \char_str_lowercase:N, \char_str_uppercase:N, -% \char_str_titlecase:N, \char_str_foldcase:N -% } -% \begin{syntax} -% \cs{char_lowercase:N} \meta{char} -% \end{syntax} -% Converts the \meta{char} to the equivalent case-changed character -% as detailed by the function name (see \cs{str_foldcase:n} -% and \cs{text_titlecase_all:n} for details of these terms). The case mapping -% is carried out with no context-dependence (\emph{cf.}~\cs{text_uppercase:n}, -% \emph{etc.}) The \texttt{str} versions always generate \enquote{other} -% (category code $12$) characters, whilst the standard versions generate -% characters with the category code of the \meta{char} (i.e.~only -% the character code changes). -% \end{function} -% % \end{documentation} % % \begin{implementation} @@ -1688,160 +1666,6 @@ % \end{macro} % \end{macro} % -% \begin{macro}[EXP] -% { -% \char_lowercase:N, \char_uppercase:N, -% \char_titlecase:N, \char_foldcase:N -% } -% \begin{macro}[EXP]{\@@_change_case:nN} -% \begin{macro}[EXP]{\@@_change_case:nnnN} -% \begin{macro}[EXP]{\@@_change_case_auxi:nN, \@@_change_case_auxii:nN} -% \begin{macro}[EXP]{\@@_change_case_catcode:N} -% \begin{macro}[EXP] -% { -% \char_str_lowercase:N, \char_str_uppercase:N, -% \char_str_titlecase:N, \char_str_foldcase:N -% } -% \begin{macro}[EXP]{\@@_str_change_case:nN, \@@_str_change_case_aux:nN} -% \begin{macro}[EXP]{\@@_str_change_case:nnnN} -% \begin{macro}[EXP]{\@@_str_change_case:n} -% To ensure that the category codes produced are predictable, every character -% is re-generated even if it is otherwise unchanged. -% \begin{macrocode} -\cs_new:Npn \char_lowercase:N - { \@@_change_case:nN { lowercase } } -\cs_new:Npn \char_uppercase:N - { \@@_change_case:nN { uppercase } } -\cs_new:Npn \char_titlecase:N - { \@@_change_case:nN { titlecase } } -\cs_new:Npn \char_foldcase:N - { \@@_change_case:nN { casefold } } -\cs_new:Npn \@@_change_case:nN #1#2 - { - \int_compare:nNnTF {`#2} = { `\ } - { ~ } - { - \exp_args:Ne \@@_change_case_auxi:nN - { \__kernel_codepoint_case:nn {#1} {`#2} } #2 - } - } -\cs_new:Npn \@@_change_case_auxi:nN #1#2 - { \use:e { \@@_change_case:nnnN #1 #2 } } -\cs_new:Npn \@@_change_case:nnnN #1#2#3#4 - { - \int_compare:nNnTF {#1} = {`#4} - { \exp_not:n {#4} } - { - \@@_change_case_auxii:nN {#1} {#4} - \tl_if_blank:nF {#2} - { - \@@_change_case_auxii:nN {#2} {#4} - \tl_if_blank:nF {#3} - { \@@_change_case_auxii:nN {#3} {#4} } - } - } - } -\cs_new:Npn \@@_change_case_auxii:nN #1#2 - { - \char_generate:nn {#1} - { \@@_change_case_catcode:N #2 } - } -\bool_lazy_or:nnF - { \sys_if_engine_luatex_p: } - { \sys_if_engine_xetex_p: } - { - \cs_gset:Npn \@@_change_case_auxii:nN #1#2 - { - \int_compare:nNnTF {#1} < { "80 } - { - \char_generate:nn {#1} - { \@@_change_case_catcode:N #2 } - } - { \exp_not:n {#2} } - } - } -\cs_new:Npn \@@_change_case_catcode:N #1 - { - \if_catcode:w \exp_not:N #1 \c_math_toggle_token - 3 - \else: - \if_catcode:w \exp_not:N #1 \c_alignment_token - 4 - \else: - \if_catcode:w \exp_not:N #1 \c_math_superscript_token - 7 - \else: - \if_catcode:w \exp_not:N #1 \c_math_subscript_token - 8 - \else: - \if_catcode:w \exp_not:N #1 \c_space_token - 10 - \else: - \if_catcode:w \exp_not:N #1 \c_catcode_letter_token - 11 - \else: - \if_catcode:w \exp_not:N #1 \c_catcode_other_token - 12 - \else: - 13 - \fi: - \fi: - \fi: - \fi: - \fi: - \fi: - \fi: - } -% \end{macrocode} -% Same story for the string version, except category code is easier -% to follow. This of course makes this version faster. -% \begin{macrocode} -\cs_new:Npn \char_str_lowercase:N - { \@@_str_change_case:nN { lowercase } } -\cs_new:Npn \char_str_uppercase:N - { \@@_str_change_case:nN { uppercase } } -\cs_new:Npn \char_str_titlecase:N - { \@@_str_change_case:nN { titlecase } } -\cs_new:Npn \char_str_foldcase:N - { \@@_str_change_case:nN { casefold } } -\cs_new:Npn \@@_str_change_case:nN #1#2 - { - \int_compare:nNnTF {`#2} = { `\ } - { ~ } - { - \exp_args:Ne \@@_str_change_case_aux:nN - { \__kernel_codepoint_case:nn {#1} {`#2} } #2 - } - } -\cs_new:Npn \@@_str_change_case_aux:nN #1#2 - { \use:e { \@@_str_change_case:nnnN #1 #2 } } -\cs_new:Npn \@@_str_change_case:nnnN #1#2#3#4 - { - \int_compare:nNnTF {#1} = {`#4} - { \tl_to_str:n {#4} } - { - \@@_str_change_case:n {#1} - \tl_if_blank:nF {#2} - { - \@@_str_change_case:n {#2} - \tl_if_blank:nF {#3} - { \@@_str_change_case:n {#3} } - } - } - } -\cs_new:Npn \@@_str_change_case:n #1 - { \char_generate:nn {#1} { 12 } } -% \end{macrocode} -% \end{macro} -% \end{macro} -% \end{macro} -% \end{macro} -% \end{macro} -% \end{macro} -% \end{macro} -% \end{macro} -% \end{macro} -% % \begin{variable}{\c_catcode_active_space_tl} % While \cs{char_generate:nn} can produce active characters in some % engines it cannot in general. It would be possible to simply change |