Re: Customize how xrefs are followed in help-mode?

[Noam Postavsky <npostavs@gmail.com>]

On Thu, 16 May 2019 at 15:19, Eric Abrahamsen <eric@ericabrahamsen.net> wrote:
>
> It's always bothered me that following a function/variable definition
> button from a *Help* buffer goes to the file in a separate window -- I
> almost always want to re-use the *Help* window.
>
> Essentially, help-mode.el:209 hard-codes the use of `pop-to-buffer', I'd
> like to be able to use `pop-to-buffer-same-window'.
>
> From a user's standpoint, I guess what I'd prefer is to be able to give
> a prefix arg to RET when following the button, but I don't see any way
> of passing that arg down, plus there's no good equivalent for the mouse
> click.
>
> Would people consider a customization option to control this?

I think this the same as Bug#35487, where there are some suggestions
to use display-buffer-alist to control this.