(ediff-get-meta-info): Take into account that data

from `ediff-meta-info' properties need not be an overlay.  From
David Ponce <dponce@voila.fr>.

diff --git a/lisp/ediff-mult.el b/lisp/ediff-mult.el
index 85ac72ee4649b02d442a99709f434e21feb8cef9..83ed80b74b2307ed1b405b7aceaf8cd98032cd48 100644 (file)
--- a/lisp/ediff-mult.el
+++ b/lisp/ediff-mult.el
@@ -1968,7 +1968,8 @@ If this is a session registry buffer then just bury it."
                          olist))
            (while (and olist
                        (or (null (car olist))
-                           (overlay-get (car olist) 'invisible)))
+                           (and (overlayp (car olist))
+                                (overlay-get (car olist) 'invisible))))
              (setq olist (cdr olist)))
            (setq result (car olist)))))
     (if result