[latex3-commits] [latex3/latex3] fixfootnotes: add support for footnotes for env function and variable in l3doc issue #1266 (aa373a0a1)
github at latex-project.org
github at latex-project.org
Mon Sep 18 12:53:38 CEST 2023
Repository : https://github.com/latex3/latex3
On branch : fixfootnotes
Link : https://github.com/latex3/latex3/commit/aa373a0a17e2f5080d9d1e40389abe5fc068870c
>---------------------------------------------------------------
commit aa373a0a17e2f5080d9d1e40389abe5fc068870c
Author: Ulrike Fischer <fischer at troubleshooting-tex.de>
Date: Mon Sep 18 12:50:21 2023 +0200
add support for footnotes for env function and variable in l3doc issue #1266
>---------------------------------------------------------------
aa373a0a17e2f5080d9d1e40389abe5fc068870c
l3kernel/CHANGELOG.md | 1 +
l3kernel/l3doc.dtx | 33 ++
l3kernel/testfiles-l3doc/test-footnote.lvt | 33 ++
l3kernel/testfiles-l3doc/test-footnote.tlg | 850 +++++++++++++++++++++++++++++
4 files changed, 917 insertions(+)
diff --git a/l3kernel/CHANGELOG.md b/l3kernel/CHANGELOG.md
index 6bba70897..953a1481d 100644
--- a/l3kernel/CHANGELOG.md
+++ b/l3kernel/CHANGELOG.md
@@ -10,6 +10,7 @@ this project uses date-based 'snapshot' version identifiers.
### Added
- Documentation for `\sys_if_timer_exist_p:` and `\sys_if_timer_exist:(TF)`.
They were supported since l3kernel 2021-05-25, along with `\sys_timer:`.
+- l3doc.dtx: Support for footnotes in the function and variable environment
### Changed
- Standardise variants for `\prop_(g)pop:NnN(TF)`
diff --git a/l3kernel/l3doc.dtx b/l3kernel/l3doc.dtx
index b1744b9f7..75dbdc93b 100644
--- a/l3kernel/l3doc.dtx
+++ b/l3kernel/l3doc.dtx
@@ -3540,6 +3540,39 @@ and all files in that bundle must be distributed together.
% \end{macrocode}
% \end{environment}
%
+% \subsection{Footnote support}
+% The environments \env{function} and \env{variable} are boxes
+% and so looses footnotes. The following implements support.
+% It relies currently on an internal from hyperref to get the correct targets.
+%
+% \begin{macrocode}
+\providecommand\Hy at footnote@currentHref{}
+\prop_new:N\g_@@_fnmark_prop
+\cs_new_protected:Npn \@@_fn_store:
+ {
+ \prop_gput:Nxx\g_@@_fnmark_prop
+ {fn\int_use:N\c at footnote}{{\Hy at footnote@currentHref}{\int_use:N\c at footnote}}
+ }
+\cs_new_protected:Npn \@@_fn_restore:n #1
+ {
+ \prop_get:NnN \g_@@_fnmark_prop {fn#1}\l_@@_tmpa_tl
+ \tl_gset:Ne\Hy at footnote@currentHref
+ {\exp_last_unbraced:NV\use_i:nn \l_@@_tmpa_tl }
+ \setcounter{footnote}{\exp_last_unbraced:NV\use_ii:nn \l_@@_tmpa_tl}
+ }
+
+\cs_generate_variant:Nn \hook_gput_next_code:nn {ne}
+\cs_new_protected:Npn \@@_fn_footnote:nn #1 #2
+ {
+ \footnotemark
+ \@@_fn_store:
+ \hook_gput_next_code:ne {env/#1/after}
+ {\exp_not:N\@@_fn_restore:n{\int_use:N\c at footnote}{\exp_not:n{\footnotetext{#2}}}}}
+
+\AddToHook{env/function/begin}{\def\footnote{\@@_fn_footnote:nn{function}}}
+\AddToHook{env/variable/begin}{\def\footnote{\@@_fn_footnote:nn{variable}}}
+% \end{macrocode}
+%
% \subsection{Documenting templates}
%
% \begin{macrocode}
diff --git a/l3kernel/testfiles-l3doc/test-footnote.lvt b/l3kernel/testfiles-l3doc/test-footnote.lvt
new file mode 100644
index 000000000..babf1bcea
--- /dev/null
+++ b/l3kernel/testfiles-l3doc/test-footnote.lvt
@@ -0,0 +1,33 @@
+%
+% Copyright (C) The LaTeX Project
+%
+
+\input regression-test.tex
+\documentclass{l3doc}
+\begin{document}
+\START
+\begin{function}{\fooA}
+ This is a test.\footnote{A}
+ This is a test.\footnote{B}
+\end{function}
+And \cs{foo} again.
+\begin{variable}{\fooB}
+ This is a test.\footnote{C}
+ This is a test.\footnote{D}
+\end{variable}
+
+\begin{implementation}
+\begin{function}{\fooC}
+ This is a test.\footnote{E}
+ This is a test.\footnote{F}
+\end{function}
+And \cs{foo} again.
+\begin{variable}{\fooD}
+ This is a test.\footnote{G}
+ This is a test.\footnote{H}
+\end{variable}
+\end{implementation}
+\showoutput
+\clearpage
+\OMIT
+\end{document}
diff --git a/l3kernel/testfiles-l3doc/test-footnote.tlg b/l3kernel/testfiles-l3doc/test-footnote.tlg
new file mode 100644
index 000000000..ba1b6687a
--- /dev/null
+++ b/l3kernel/testfiles-l3doc/test-footnote.tlg
@@ -0,0 +1,850 @@
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