bug#37840: Missing in the Emacs manuals:

[Konrad Podczeck <konrad.podczeck@univie.ac.at>]

I just noted that the ediff-control-panel does not react on any of the display-buffer-alist possibilities to customize appearance of frames.

Konrad

> Am 23.11.2019 um 09:16 schrieb martin rudalics <rudalics@gmx.at>:
> 
> > The patch does not do the job. With the customization from my
> > previous mail, start Emacs, open, say, foo.tex, and then do
> > occur->some text. In the frame with the occur buffer, do bury
> > buffer, so that the frame with the occur-buffer becomes iconified,
> > so everything is good up to now. But then, doing bury buffer in the
> > frame displaying foo.tex, the message-buffer displays in that frame,
> > then doing again bury-buffer in that frame, the occur-buffer shows
> > up, again in the frame originally intended for foo.tex, that is in
> > the wrong frame, i.e., not as intended with the display-buffer-alist
> > customization.
> 
> If you want to keep the occur-buffer in an iconified frame, you have
> to customize 'switch-to-buffer-skip-visible' to 0 or t in order to
> avoid switching to it automatically in another window.  When I do that
> here, 'bury-buffer' switches between foo.tex, *scratch* and *Messages*
> only.
> 
> > Would it not be better to adopt a more radical approach? Say that
> > there are two basic defaults between which a user can choose: one as
> > it is now, and a second one where there is a strict one-to-one
> > correspondence between buffers and frames (i.e., in the terminology
> > of Emacs, with no “windows” at all). Given the second basis default,
> > the user could then customize whether for some buffer-types he/she
> > wants to have them displayed in windows, or, depending on the
> > buffer-type, customize geometry, fonts etc. of frames.
> 
> I suppose that by customizing 'switch-to-buffer-skip-visible' to t and
> using a 'display-buffer-alist' that always makes a new dedicated frame
> that becomes invisible when it gets buried, you can largely achieve
> that.  The only problems should result from internal Emacs functions
> that by default try to reuse or split the selected window.  I'm quite
> sure that nothing can be done in this regard anyway.
> 
> martin
>