bug#9432: 24.0.50; doc string of `next-error-highlight'

[Juri Linkov]

>> When using virtual frames on a single-window xterm, such behavior is
>> annoying: displaying the source file has no visual effect at all
>> because it's displayed on a hidden virtual frame.  Please see more at
>> http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01638.html
>
> I'd argue that such use-case is sufficiently rare that we shouldn't base
> the default on it.

Yes, this use-case is rare, but there are other use-cases where
something more than `display-buffer-reuse-frames' is necessary
like described in 
http://lists.gnu.org/archive/html/emacs-devel/2011-08/msg00267.html