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: Wed, 27 May 2015 18:54:19 +0300
> 
> On 05/27/2015 06:46 PM, Eli Zaretskii wrote:
> 
> > Maybe I'm confused, but what about tag-exact-match-p?
> 
> We collect matches that satisfy either tag-exact-match-p, or 
> tag-implicit-name-match-p.

Yes, but they look at different parts of the tag's record.

> > Yes, we did.  That's what the -Q switch controls.
> 
> Okay, but we match those tags with tag-implicit-name-match-p, don't we?

No, we match them with tag-exact-match-p, AFAICS.

> The result would be that the completion table only returns qualified 
> method names, but xref-find-definitions (or find-tag) also shows matches 
> for unqualified method names.

That'd be great.