bug#22241: 25.0.50; etags Ruby parser problems

[Eli Zaretskii]

> Cc: 22241@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Thu, 4 Feb 2016 11:24:52 +0300
> 
> > I'm not sure I understand the rules, though: is the "no colon, don't
> > tag" rule valid for any symbol following the attr_WHATEVER, or is that
> > applicable only to the 2nd, 3rd, etc. symbols?
> 
> Any of the arguments.
> 
> > IOW, what, if
> > anything, should be tagged here:
> >
> >    attr_reader foo
> 
> Just skip it as well.

Done.