[Emacs-diffs] emacs-26 b240c78: * lisp/help.el (describe-key): Only (copy-sequence elt) when elt is a list.

[Alan Mackenzie]

branch: emacs-26
commit b240c7846b0d03e9f69af753cd24eb1e550f543c
Author: Alan Mackenzie <address@hidden>
Commit: Alan Mackenzie <address@hidden>

    * lisp/help.el (describe-key): Only (copy-sequence elt) when elt is a list.
---
 lisp/help.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/help.el b/lisp/help.el
index fa7f6b0..8ff27b0 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -876,7 +876,7 @@ temporarily enables it to allow getting help on disabled 
items and buttons."
         (when (vectorp key)
           (let* ((last (1- (length key)))
                  (elt (aref key last))
-                 (elt-1 (copy-sequence elt))
+                 (elt-1 (if (listp elt) (copy-sequence elt) elt))
                  key-1 down-event-type)
             (when (and (listp elt-1)
                        (symbolp (car elt-1))