bug#22241: 25.0.50; etags Ruby parser problems

[Eli Zaretskii]

> Cc: 22241@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Tue, 2 Feb 2016 22:59:35 +0300
> 
> >> If there's a comma at the end of the current line, the argument list
> >> continues on the next one.
> >
> > ...this.  If supporting such split definitions is important, it will
> > need a slightly more complex code.
> 
> It's basically a multiline function call. Not sure how frequently that 
> is used with attr_* in practice, but in our big project at work, just 
> one out of 190 attr_* declarations is multiline.
> 
> So, it happens, but in the vast majority of cases the arguments stay on 
> one line. Some projects (like Rails) choose to make several calls 
> instead, as a stylistic choice.
> 
> I can't really say yet if the lack of support for multiline calls is a 
> significant problem, but it is an omission.
> 
> Whether to implement it now, or close this bug and wait until another 
> bug report, is up to you.

I implemented that now.