[O] [PATCH] Check marker is valid before use

[Leo]

 lisp/org-agenda.el |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index bf03b68c..f4b8bcbf 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -6784,13 +6784,13 @@ (defun org-agenda-previous-line ()
 (defun org-agenda-do-context-action ()
   "Show outline path and, maybe, follow mode window."
   (let ((m (org-get-at-bol 'org-marker)))
-    (if (and org-agenda-follow-mode m)
-       (if org-agenda-follow-indirect
-           (org-agenda-tree-to-indirect-buffer)
-         (org-agenda-show)))
-    (if (and m org-agenda-show-outline-path)
-       (org-with-point-at m
-         (org-display-outline-path t)))))
+    (when (and (markerp m) (marker-buffer m))
+      (and org-agenda-follow-mode
+          (if org-agenda-follow-indirect
+              (org-agenda-tree-to-indirect-buffer)
+            (org-agenda-show)))
+      (and org-agenda-show-outline-path
+          (org-with-point-at m (org-display-outline-path t))))))
 
 (defun org-agenda-show-priority ()
   "Show the priority of the current item.
-- 
1.7.7