Re: xref and displaying locations in appropriate window or frame

[Dmitry Gutov]

On 01/27/2016 12:10 PM, martin rudalics wrote:
>  > Why <= 2? Are you saying I should use some different function, after
>  > applying the dedicated status and switch to the window O?
>
> Did you try it?  In a default Emacs this won't split anything but either
> reuse O or make a new frame.

Why is it a drawback of pop-to-buffer, though? It should work fine, as 
long as split thresholds have adequate values.

>  > I thought pop-to-buffer is basically the default choice for displaying
>  > a buffer when you're not sure which window to use.
>
> It is.  But in a default Emacs you still won't get your third window.
> You can't beat the system by using ‘pop-to-buffer’ alone.

I think "beating the system" here would be a wrong choice.

> Which IMHO is no problem per se.  But you probably have to explain
> somewhere that ‘xref-find-definitions-other-window’ _by default_ behaves
> just like ‘xref-find-definitions’ when leaving *xref* visible.

You're right, it's a problem, and I don't know a good solution. It's not 
a great thing to have to document.