bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files.

[Eli Zaretskii]

> Cc: 20629@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Thu, 28 May 2015 18:32:46 +0300
> 
> > If you mean that producing two entries instead of one under -Q will
> > produce better results both with xref-find-definitions and with
> > completion...
> 
> It should, though at the cost of larger file size (and completion table 
> size, relative to the proposal where we don't include the unqualified 
> tags in it).

But having just qualified tags is bad for accuracy, right?

So do we have a decision here?