[PATCH] Separate out ANSI-standard signals

[Eli Zaretskii]

> Date: Fri, 6 Jun 2014 13:02:18 +0100
> From: Gary Benson <gbenson@redhat.com>
> Cc: Doug Evans <xdje42@gmail.com>, Eli Zaretskii <eliz@gnu.org>
> 
> This patch reorders various pieces of code to separate ANSI-standard
> signals from other signals that need checking.  Comments are added to
> document this.
> 
> Built and regtested on RHEL6.5 x86_64.
> 
> Ok to commit?

Thanks.  I have only one minor comment: I think we should say that the
signals are ordered by their numerical values on a typical Posix
platform.