Re: Must prevent switching from recursive edit buffers

[Stefan Monnier <monnier@iro.umontreal.ca>]

> That is some mystery. Those recursive-edit buffers show as
>
> [[[[[(Mail WK Fill)]]]]]
>
> but I cannot know in the list of buffer and CANNOT SEE to what buffers
> those [[[[]]]] belogns.

Hmm... currently I think that Emacs's code does not record a clear
association between a recursive edit and "the buffer to which it
belongs" (arguably even this concept is ill-defined, although in
practice it is probably true that there is almost always a buffer with
which we can associate the recursive edit).

Maybe we could start by implementing a command which shows a list of
current recursive edits by walking the backtrace and trying to guess
which "kind" of recursive edit it is and to which buffer is "belongs".

Kinds would be things like `minibuffer`, `debugger`, `edebug`,
`query-replace`, ...

That would have to rely on ad-hoc rules, but that would give us some
experience from which we could hopefully design a better API which ELisp
packages which use `recursive-edit` can then use to provide that same
information more directly.


        Stefan