From f3045b08ddd2e5a1e6283cd8818b900ccac474ae Mon Sep 17 00:00:00 2001
From: Adam Turner <9087854+aa-turner@users.noreply.github.com>
Date: Wed, 12 Feb 2025 01:33:12 +0000
Subject: [PATCH] Prefer str.join to +=

---
 sphinx/writers/latex.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index c0d763e43..bfbdb268a 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -2069,10 +2069,9 @@ class LaTeXTranslator(SphinxTranslator):
 
     def visit_literal_strong(self, node: Element) -> None:
         if self.in_production_list:
-            ctx = r'\phantomsection'
-            for id_ in node['ids']:
-                ctx += self.hypertarget(id_, anchor=False)
-            self.body.append(ctx)
+            ctx = [r'\phantomsection']
+            ctx += [self.hypertarget(id_, anchor=False) for id_ in node['ids']]
+            self.body.append(''.join(ctx))
             return
         self.body.append(r'\sphinxstyleliteralstrong{\sphinxupquote{')