Subject: bug#33871: 27.0.50; Revert Dired window saved in window configuration

From: martin rudalics <[email-masked]>
Date: Sun, 30 Dec 2018 15:57:40 +0100

> I nowlooked into it.  It's a bug caused by
 >
 >        XMARKER (p->pointm)->insertion_type
 >          = !NILP (buffer_local_value /* Don't signal error if void.  */
 >               (Qwindow_point_insertion_type, w->contents));
 >
 > and the value of
 >
 > buffer_local_value (Qwindow_point_insertion_type, w->contents)
 >
 > is unbound and not nil.  I have to fix that.

I tried to fix that on master now.  Please have a look.

Thanks, martin