From 1275dc4711af77c9c223063dcd149d782d497463 Mon Sep 17 00:00:00 2001
From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Fri, 29 Jan 2021 07:40:06 +0100
Subject: [PATCH] Improve fontifying of #| ... |# in `lisp-mode'

* lisp/emacs-lisp/lisp-mode.el (lisp-mode): Fontify the end
delimiter in #| ... |# correctly (bug#39820).
---
 lisp/emacs-lisp/lisp-mode.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el
index c96d849d442..3918fa01b2a 100644
--- a/lisp/emacs-lisp/lisp-mode.el
+++ b/lisp/emacs-lisp/lisp-mode.el
@@ -775,6 +775,7 @@ or to switch back to an existing one."
   (setq-local find-tag-default-function 'lisp-find-tag-default)
   (setq-local comment-start-skip
 	      "\\(\\(^\\|[^\\\n]\\)\\(\\\\\\\\\\)*\\)\\(;+\\|#|\\) *")
+  (setq-local comment-end "|#")
   (setq imenu-case-fold-search t))
 
 (defun lisp-find-tag-default ()
-- 
2.39.2