bug#22692: 25.0.91; xref-find-definitions fails to prompt

[Eli Zaretskii]

> Cc: 22692@debbugs.gnu.org, m.kupfer@acm.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Sat, 20 Feb 2016 03:28:44 +0200
> 
> The other is whether we look for the symbol "at" point, or are we also 
> allowed to look "near" point (within the current line), if there's no 
> symbol at point. So far we've got two votes for "no" as well.

I think it's okay to find the symbol before or after point in the same
manner thingatpt does that.