bug#11939: 24.1; `save-buffers-kill-emacs' loses minibufferfocuswhenitcalls`list-processes'

[martin rudalics]

>>  > Perhaps you can help by telling me what vanilla Emacs code
>>  > normally changes things so that the value [of (windows-parameters)]
>>  > returned is non-nil.
>>
>> `display-buffer-record-window'
>>
>>  > I note that in Emacs 23 also (windows-parameters) returns nil for me.
>>
>> `display-buffer-record-window' has been introduced in Emacs 24.1.
>
> How does that make sense?  If `display-buffer-record-window' is what makes
> `windows-parameters'

... with vanilla Emacs code ...

> return non-nil, and `windows-parameters' existed back in
> Emacs 23, and `display-buffer-record-window' did not exist in Emacs 23, then
> `windows-parameters' would have always returned nil in Emacs 23, no?

It would have always returned nil in a vanilla Emacs 23.

> Why would it exist back then if it always returned nil?

For a user or an application to store values in it.

> Does/did it have side
> effects or something?

Not to my knowledge.

> And its doc even in Emacs 23 says that it returns a list
> of elements of form (PARAMETER . VALUE).

nil is an empty list of elements of form (PARAMETER . VALUE)

martin