[latex3-commits] [git/LaTeX3-latex3-latex2e] dollar-active: Add mathtrigger to latex-lab to make $ active (1c19327d)
Marcel Fabian Krüger
tex at 2krueger.de
Thu Nov 24 14:29:01 CET 2022
Repository : https://github.com/latex3/latex2e
On branch : dollar-active
Link : https://github.com/latex3/latex2e/commit/1c19327dbfec5e75e9ac142033f61db67d4f662c
>---------------------------------------------------------------
commit 1c19327dbfec5e75e9ac142033f61db67d4f662c
Author: Marcel Fabian Krüger <tex at 2krueger.de>
Date: Thu Nov 24 14:29:01 2022 +0100
Add mathtrigger to latex-lab to make $ active
>---------------------------------------------------------------
1c19327dbfec5e75e9ac142033f61db67d4f662c
required/latex-lab/documentmetadata-support.dtx | 22 +++++-
required/latex-lab/latex-lab-mathtrigger.dtx | 91 +++++++++++++++++++++++++
required/latex-lab/latex-lab.ins | 1 +
3 files changed, 113 insertions(+), 1 deletion(-)
diff --git a/required/latex-lab/documentmetadata-support.dtx b/required/latex-lab/documentmetadata-support.dtx
index 23053a48..9ff7563c 100644
--- a/required/latex-lab/documentmetadata-support.dtx
+++ b/required/latex-lab/documentmetadata-support.dtx
@@ -87,6 +87,7 @@
% \DescribeMkey{colorprofiles}
% \DescribeMkey{debug}
% \DescribeMkey{lang}
+% \DescribeMkey{mathtrigger}
% \DescribeMkey{pdfstandard}
% \DescribeMkey{pdfversion}
% \DescribeMkey{testphase}
@@ -152,6 +153,16 @@
% related to them. More information can be found in the documentation of
% \pkg{pdfmanagement-firstaid}.
% \end{description}
+%
+% \item[\texttt{mathtrigger}] This key specifies the behavior of |$| in the document.
+% It takes one of three values:
+% \begin{description}
+% \item[\texttt{new}] is the default and makes |$| an active character. This is strongly recommended since
+% it allows to insert hooks at the end of math blocks.
+% \item[\texttt{compat}] is similar to \texttt{new} but only takes effect at |\begin{document}|, thereby
+% reducing compatibility issues in package code.
+% \item[\texttt{legacy}] keeps |$| defined as in documents which do not use \cs{DocumentMetadata}.
+% \end{description}
% \end{description}
%
% \bibliographystyle{plain}
@@ -251,9 +262,10 @@
}
}
% \end{macrocode}
-% Load more modules, the testphase code and the firstaid code. The code is only
+% Load more modules, the mathtrigger code, the testphase code and the firstaid code. The code is only
% loaded in the first \cs{DocumentMetadata} call!
% \begin{macrocode}
+ \RequirePackage{pdfmanagement-mathtrigger}
\g_@@_testphase_tl
\RequirePackage{pdfmanagement-firstaid}
}
@@ -270,6 +282,9 @@
%FMi \clist_new:N \g_@@_firstaidoff_clist
%FMi \tl_new:N \g_@@_testphase_tl
% UFi should the definition move to here?
+\tl_new:N \g_@@_mathtrigger_tl
+\tl_gset:Nn \g_@@_mathtrigger_tl {new}
+
\keys_define:nn { document / metadata }
{
backend .choices:nn =
@@ -297,6 +312,11 @@
\pdfmanagement_add:nnn {Catalog} {Lang}{(#1)}
\AddToDocumentProperties[document]{lang}{#1}
}
+ , mathtrigger .choices:nn =
+ {new,compat,legacy}
+ {
+ \tl_gset_eq:NN \g_@@_mathtrigger_tl \l_keys_choice_tl
+ }
%,xmpmeta .bool_gset:N = \g_pdfmeta_xmp_bool %see pdfmeta unused and undefined for now!
% this uses internal command from pdfmeta, it should probably move there ...
,pdfstandard .code:n =
diff --git a/required/latex-lab/latex-lab-mathtrigger.dtx b/required/latex-lab/latex-lab-mathtrigger.dtx
new file mode 100644
index 00000000..3c0e3a62
--- /dev/null
+++ b/required/latex-lab/latex-lab-mathtrigger.dtx
@@ -0,0 +1,91 @@
+% \iffalse meta-comment
+%
+%% File: latex-lab-testphase.dtx
+% Copyright (C) 2021-2022 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
+% license or (at your option) any later version. The latest version
+% of this license is in the file
+%
+% https://www.latex-project.org/lppl.txt
+%
+%
+% The development version of the bundle can be found below
+%
+% https://github.com/latex3/latex2e/required/latex-lab
+%
+% for those people who are interested or want to report an issue.
+%
+%<*driver>
+\documentclass{l3doc}
+\EnableCrossrefs
+\CodelineIndex
+\begin{document}
+\DocInput{latex-lab-mathtrigger.dtx}
+\end{document}
+%</driver>
+%
+% \fi
+%
+
+% \title{The \texttt{latex-lab-mathtrigger} code\thanks{}}
+% \author{Marcel Krüger \LaTeX{} Project}
+%
+% \maketitle
+%
+%
+% \begin{abstract}
+% \end{abstract}
+%
+% \section{Introduction}
+%
+% This code implements a small change to make make the |$| sign active and add
+% hooks to it. It can operate in three levels which are controlled though
+% \cs{DocumentMetadata}.
+%
+% \StopEventually{\setlength\IndexMin{200pt} \PrintIndex }
+%
+%
+% \section{The Implementation}
+% \begin{macrocode}
+%<@@=mathtrigger>
+% \end{macrocode}
+%
+%
+% \begin{macrocode}
+\tl_if_exist:NPN \Ustartmath
+ {
+ \cs_new_:Nn \mathtrigger_start_inline_math: \Ustartmath
+ \cs_new_:Nn \mathtrigger_stop_inline_math: \Ustopmath
+ \cs_new_:Nn \mathtrigger_start_display_math: \Ustartdisplaymath
+ \cs_new_:Nn \mathtrigger_stop_display_math: \Ustopdisplaymath
+ }
+ {
+ \cs_new_protected:Npn \mathtrigger_start_inline_math: { $ \scan_stop: }
+ \cs_new_protected:Npn \mathtrigger_stop_inline_math: { $ \scan_stop: }
+ \cs_new_protected:Npn \mathtrigger_start_display_math: { $$ }
+ \cs_new_protected:Npn \mathtrigger_stop_display_math: { $$ }
+ }
+
+\cs_new_protected:Npn \@@_trigger_shift:w
+ {
+ \peek_meaning_remove:NTF \@@_trigger_shift:w
+ {
+ \mode_if_math:TF { \mathtrigger_stop_display_math } { \mathtrigger_start_display_math }
+ } {
+ \mode_if_math:TF { \mathtrigger_stop_inline_math } { \mathtrigger_start_inline_math }
+ }
+ }
+
+\char_set_active_eq:NN \$ \@@_trigger_shift:w
+
+\tl_case:Nn \g__pdfmanagement_mathtrigger
+ {
+ {new} { \char_set_catcode_active:N \$ }
+ {compat} { \hook_gput_code:nnn {begindocument/after} {mathtrigger} { \char_set_catcode_active:N \$ } }
+ {legacy} {}
+ }
+% \end{macrocode}
+% \Finale
+%
diff --git a/required/latex-lab/latex-lab.ins b/required/latex-lab/latex-lab.ins
index bc668a71..f8da3800 100644
--- a/required/latex-lab/latex-lab.ins
+++ b/required/latex-lab/latex-lab.ins
@@ -77,6 +77,7 @@ where one can also log issues in case there are any.
\generate{\file{latex-lab-testphase-new-or.sty}{\from{latex-lab-new-or.dtx}{code}}}
\generate{\file{latex-lab-footmisc.ltx}{\from{latex-lab-footnotes.dtx}{footmisc}}}
\generate{\file{latex-lab-footnotes.ltx}{\from{latex-lab-footnotes.dtx}{kernel}}}
+\generate{\file{latex-lab-mathtrigger.ltx}{\from{latex-lab-mathtrigger.dtx}{code}}}
\endbatchfile
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