From 8a04f21e90e1393ac22a563f762a8219c8dd94c9 Mon Sep 17 00:00:00 2001
From: TEC <git@tecosaur.net>
Date: Tue, 27 Jun 2023 01:59:07 +0800
Subject: [PATCH] ox-html: Fix C++ label CSS

* lisp/ox-html.el (org-html-style-default): The "C++" pre-label works if
the "+" characters are backslash-escaped.
---
 lisp/ox-html.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index e835320b4..12e9e6a35 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -323,7 +323,7 @@ This affects IDs that are determined from the ID property.")
   pre.src-awk:before { content: 'Awk'; }
   pre.src-authinfo::before { content: 'Authinfo'; }
   pre.src-C:before { content: 'C'; }
-  /* pre.src-C++ doesn't work in CSS */
+  pre.src-C\\+\\+:before { content: 'C++'; }
   pre.src-clojure:before { content: 'Clojure'; }
   pre.src-css:before { content: 'CSS'; }
   pre.src-D:before { content: 'D'; }