From 0003ac9c7557fa3621211856a10e970b2f973443 Mon Sep 17 00:00:00 2001
From: Ulrike Fischer <fischer@troubleshooting-tex.de>
Date: Tue, 24 Aug 2021 14:10:16 +0200
Subject: [PATCH] move hyperref patch + add mathopen, issue 652

---
 required/amsmath/amsmath.dtx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/required/amsmath/amsmath.dtx b/required/amsmath/amsmath.dtx
index 4300ddede..17c11314e 100644
--- a/required/amsmath/amsmath.dtx
+++ b/required/amsmath/amsmath.dtx
@@ -86,7 +86,7 @@ Bug reports can be opened (category \texttt{#1}) at\\%
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\ProvidesPackage{amsmath}[2021/07/08 v2.17j AMS math features]
+\ProvidesPackage{amsmath}[2021/08/28 v2.17k AMS math features]
 %    \end{macrocode}
 %
 % \section{Catcode defenses}
@@ -6505,10 +6505,10 @@ Cannot use `split' here;\MessageBreak trying to recover with `aligned'}%
 %
 %    \begin{macrocode}
 \renewenvironment{equation}{%
-  \incr@eqnum
   \mathdisplay@push
   \st@rredfalse \global\@eqnswtrue
   \mathdisplay{equation}%
+  \incr@eqnum\mathopen{}%
 }{%
   \endmathdisplay{equation}%
   \mathdisplay@pop