Subject: bug#14666: 24.3.50; emacs_backtrace.txt

From: Eli Zaretskii <[email-masked]>
Date: Wed, 19 Jun 2013 22:47:16 +0300

> Date: Wed, 19 Jun 2013 19:44:16 +0200
> From: martin rudalics <[email-masked]>
> CC: Eli Zaretskii <[email-masked]>, [email-masked]
> 
> w->contents can be only set to another buffer which would still pass
> the assertion.

Why cannot it be set to a window or to nil?