From: Eli Zaretskii <eliz@gnu.org>
Date: Fri, 27 Jan 2017 10:27:50 +0000 (+0200)
Subject: Fix 'describe-variable' for longish variable values
X-Git-Tag: emacs-26.0.90~870^2~16
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=90c76346740c097063b4a273ceb3af01327ff2a4;p=emacs.git

Fix 'describe-variable' for longish variable values

* lisp/help-fns.el (describe-variable): Don't accidentally remove
the last character of a variable's value.  (Bug#25545)
---

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index edbcd9099d3..742c66919af 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -852,7 +852,7 @@ it is displayed along with the global value."
 		    (terpri)
 		    (pp val)
                     ;; Remove trailing newline.
-                    (delete-char -1))
+                    (and (= (char-before) ?\n) (delete-char -1)))
 		  (let* ((sv (get variable 'standard-value))
 			 (origval (and (consp sv)
 				       (condition-case nil