bug#19466: 25.0.50; xref-find-def doesn't find C functions

[martin rudalics]

> This happens to me all the time, but I don't recommend losing any
> sleep over it.  It's very easy to delete the unwanted buffers (e.g.,
> via "C-x C-b").  One does such cleanup anyway, when one finishes
> working on some issue, right?

Till then they will show up, for example, via `previous-buffer'.

> Emacs copes with many buffers just fine, so I wouldn't invest any
> significant energy in getting rid of some of them using some
> heuristics that will certainly misfire at some point.  Emacs should
> only automatically kill buffers that it creates for its temporary
> jobs, not buffers created by user commands.

It wouldn't kill them automatically but only optionally, via a special
command or a prefix.  Less heuristic than `clean-buffer-list' at least.

martin