Improve error message text of "C-x C-SPC"

* lisp/simple.el (pop-global-mark): Mention the buffer name in the
error message.  Suggested by T.V Raman <raman@google.com>.

diff --git a/lisp/simple.el b/lisp/simple.el
index d73bc6b0682fea2071f9115f4dbaacc76b4180c7..3c4f756230875233bea593a7f4b771b75f98fec6 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -6426,7 +6426,8 @@ for it.")
             (<= position (point-max)))
        (if widen-automatically
            (widen)
-         (error "Global mark position is outside accessible part of buffer")))
+         (error "Global mark position is outside accessible part of buffer %s"
+                 (buffer-name buffer))))
     (goto-char position)
     (switch-to-buffer buffer)))
 \f