Disambiguate variable help a bit better

* lisp/help-fns.el (describe-variable): Quote the
variable’s value if it is a symbol other than t or nil.
See: T.V Raman in:
http://lists.gnu.org/archive/html/emacs-devel/2015-11/msg02147.html

1 files changed, 6 insertions, 2 deletions

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 41911b8709c..e750f51e0c4 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -763,8 +763,12 @@ it is displayed along with the global value."
                 (let ((from (point))
                       (line-beg (line-beginning-position))
                       (print-rep
-                       (let ((print-quoted t))
-                         (prin1-to-string val))))
+                       (let ((rep
+                              (let ((print-quoted t))
+                                (prin1-to-string val))))
+                         (if (and (symbolp val) (not (booleanp val)))
+                             (format-message "`%s'" rep)
+                           rep))))
                   (if (< (+ (length print-rep) (point) (- line-beg)) 68)
                       (insert print-rep)
                     (terpri)