bug#1077: 23.0.60; x-create-frame: (wrong-type-argument number-or-marker-p nil)

[Eli Zaretskii]

> Date: Tue, 30 Nov 2010 18:05:03 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: drew.adams@oracle.com, 1077@debbugs.gnu.org
> 
>  > That said, I agree that any code which is called during frame creation
>  > should be able to avoid signaling an error.
> 
> I still don't get it why a condition_case can't handle such an error.

Because part of the recipe is to set debug-on-error non-nil?