From 7cc87d84c47dcd53fcd22127975efd3355f70995 Mon Sep 17 00:00:00 2001
From: jfbu <jfbu@free.fr>
Date: Tue, 8 Jun 2021 23:14:01 +0200
Subject: [PATCH 1/2] Fix #9313

---
 sphinx/writers/latex.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index 546db9e31be..796e0cb92fb 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -966,7 +966,7 @@ def visit_row(self, node: Element) -> None:
                     # insert suitable strut for equalizing row heights in given multirow
                     self.body.append(r'\sphinxtablestrut{%d}' % cell.cell_id)
                 else:  # use \multicolumn for wide multirow cell
-                    self.body.append(r'\multicolumn{%d}{|l|}\sphinxtablestrut{%d}}' %
+                    self.body.append(r'\multicolumn{%d}{|l|}{\sphinxtablestrut{%d}}' %
                                      (cell.width, cell.cell_id))
 
     def depart_row(self, node: Element) -> None:

From 67e48df37819e78e26aa6aefc11031948d70fbca Mon Sep 17 00:00:00 2001
From: jfbu <jfbu@free.fr>
Date: Wed, 9 Jun 2021 07:40:35 +0200
Subject: [PATCH 2/2] Update CHANGES

---
 CHANGES | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGES b/CHANGES
index 5b890fe8420..b5011d71847 100644
--- a/CHANGES
+++ b/CHANGES
@@ -16,6 +16,8 @@ Features added
 Bugs fixed
 ----------
 
+* 9313: LaTeX: complex table with merged cells broken since 4.0
+
 Testing
 --------