From ffbf60a0694a1a3abba057446f69983dbd04bfd5 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Mon, 21 Aug 2023 20:21:01 +0000
Subject: postnotes (21aug23)

git-svn-id: svn://tug.org/texlive/trunk@68006 c570f23f-e606-0410-a88d-b1316a301751
---
 .../source/latex/postnotes/postnotes.dtx           | 62 +++++++++++++++-------
 1 file changed, 42 insertions(+), 20 deletions(-)

(limited to 'Master/texmf-dist/source')

diff --git a/Master/texmf-dist/source/latex/postnotes/postnotes.dtx b/Master/texmf-dist/source/latex/postnotes/postnotes.dtx
index cb7998fbea0..5a32a179630 100644
--- a/Master/texmf-dist/source/latex/postnotes/postnotes.dtx
+++ b/Master/texmf-dist/source/latex/postnotes/postnotes.dtx
@@ -138,23 +138,22 @@
 % kernel or newer.
 %
 %    \begin{macrocode}
-\NeedsTeXFormat{LaTeX2e}
+\def\postnotes@required@kernel{2022-06-01}
+\NeedsTeXFormat{LaTeX2e}[\postnotes@required@kernel]
 \providecommand\IfFormatAtLeastTF{\@ifl@t@r\fmtversion}
-\IfFormatAtLeastTF{2022-06-01}
+\IfFormatAtLeastTF{\postnotes@required@kernel}
   {}
   {%
     \PackageError{postnotes}{LaTeX kernel too old}
       {%
-        'postnotes' requires a LaTeX kernel 2022-06-01 or newer.%
-        \MessageBreak Loading will abort!%
+        'postnotes' requires a LaTeX kernel \postnotes@required@kernel\space or newer.%
       }%
-    \endinput
   }%
 %    \end{macrocode}
 %
 %
 %    \begin{macrocode}
-\ProvidesExplPackage {postnotes} {2023-06-16} {0.2.5}
+\ProvidesExplPackage {postnotes} {2023-08-21} {0.2.6}
   {Endnotes for LaTeX}
 %    \end{macrocode}
 %
@@ -296,9 +295,32 @@
 %    \end{macrocode}
 % \end{macro}
 %
+% And ensure \cs{post@note} is defined in the \file{.aux} file.  The hooks are
+% the same used by \pkg{hyperref} for similar purpose.
+%
+%    \begin{macrocode}
+\AddToHook { begindocument }
+  {
+    \legacy_if:nT { @filesw }
+      {
+        \iow_now:Nx \@mainaux
+          { \token_to_str:N \providecommand \token_to_str:N \post@note [2]{} }
+      }
+  }
+\AddToHook { include/before }
+  {
+    \legacy_if:nT { @filesw }
+      {
+        \iow_now:Nx \@partaux
+          { \token_to_str:N \providecommand \token_to_str:N \post@note [2]{} }
+      }
+  }
+%    \end{macrocode}
+%
 %
 % \begin{macro}
 %   {
+%     \@@_set_label:nn ,
 %     \@@_set_mark_page_label:n ,
 %     \@@_set_text_page_label:n ,
 %     \@@_set_print_page_label:n ,
@@ -307,28 +329,28 @@
 %   \cs{iow_shipout_x:Nn}, since the main information we are interested in is
 %   the \texttt{page}.
 %     \begin{syntax}
-%       \cs{@@_set_mark_page_label:n} \Arg{label name}
-%       \cs{@@_set_text_page_label:n} \Arg{label name}
-%       \cs{@@_set_print_page_label:n} \Arg{label name}
+%       \cs{@@_set_label:nn} \Arg{label name} \Arg{value}
+%       \cs{@@_set_mark_page_label:n} \Arg{note id}
+%       \cs{@@_set_text_page_label:n} \Arg{note id}
+%       \cs{@@_set_print_page_label:n} \Arg{note id}
 %     \end{syntax}
 %    \begin{macrocode}
-\cs_new_protected:Npn \@@_set_mark_page_label:n #1
+\cs_new_protected:Npn \@@_set_label:nn #1#2
   {
-    \iow_shipout_x:Nn \@auxout
-      { \token_to_str:N \post@note { mark@ #1 } { \thepage } }
+    \legacy_if:nT { @filesw }
+      {
+        \iow_shipout_x:Nn \@auxout
+          { \token_to_str:N \post@note { #1 } { #2 } }
+      }
   }
+\cs_new_protected:Npn \@@_set_mark_page_label:n #1
+  { \@@_set_label:nn { mark@ #1 } { \thepage } }
 \cs_generate_variant:Nn \@@_set_mark_page_label:n { x }
 \cs_new_protected:Npn \@@_set_text_page_label:n #1
-  {
-    \iow_shipout_x:Nn \@auxout
-      { \token_to_str:N \post@note { text@ #1 } { \int_use:N \c@page } }
-  }
+  { \@@_set_label:nn { text@ #1 } { \int_use:N \c@page } }
 \cs_generate_variant:Nn \@@_set_text_page_label:n { x }
 \cs_new_protected:Npn \@@_set_print_page_label:n #1
-  {
-    \iow_shipout_x:Nn \@auxout
-      { \token_to_str:N \post@note { print@ #1 } { \int_use:N \c@page } }
-  }
+  { \@@_set_label:nn { print@ #1 } { \int_use:N \c@page } }
 \cs_generate_variant:Nn \@@_set_print_page_label:n { x }
 %    \end{macrocode}
 % \end{macro}
-- 
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