From 3b0b1b17c59341b12a502c0ea87c6125cc445494 Mon Sep 17 00:00:00 2001
From: Noam Postavsky <npostavs@gmail.com>
Date: Thu, 27 Feb 2020 21:09:59 -0500
Subject: [PATCH] Fix describe-variable on values with circular syntax
 (Bug#39805)

* lisp/help-fns.el (describe-variable): Set syntax tables before
calling pp-buffer.
---
 lisp/help-fns.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 0e2ae6b3c3..1be8e0ab08 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -1000,6 +1000,8 @@ describe-variable
 		    (terpri)
                     (let ((buf (current-buffer)))
                       (with-temp-buffer
+                        (lisp-mode-variables nil)
+                        (set-syntax-table emacs-lisp-mode-syntax-table)
                         (insert print-rep)
                         (pp-buffer)
                         (let ((pp-buffer (current-buffer)))
-- 
2.11.0