bug#38797: 27.0.50; Feature request: provide the opposite of xref-pop-marker-stack

[Juri Linkov]

>>> It's a nice intermediate solution, but it would also be nice to be able to
>>> quickly iterate across previous searches. No?
>> This means adding another layer of complexity.  Remember a mess
>> of deciding how to switch next-error navigations from different searches?
>> Switching multiple xref searches will have the same level of confusion.
>
> Unless we do want to be able to switch next-error navigation sources this
> way?

Maybe.

> Alternatively, we could uniquify the Xref buffers in a more predictable way
> (e.g. by using the caller command and the input string, somehow), and then
> have commands xref-searches-back and xref-searches-format switch between
> the resulting buffers.
>
>> BTW, shouldn't xref-go-back/forward support next-error-function?  ;-)
>
> What kind of support? Not sure I understand, sorry.

Using unique Xref buffers will allow switching to a unique
Xref buffer and typing 'M-x next-error-select-buffer'.