[PATCH v6 2/2] enable target async by default; separate MI and target notions of async

[Eli Zaretskii]

> From: Pedro Alves <palves@redhat.com>
> Date: Fri, 23 May 2014 21:59:13 +0100
> 
> This finally makes background execution commands possible by default.

Thanks.

> +Note: In previous @value{GDBN} versions this option was called

It is best to state here the last GDB version where that was true, as
in

  In @value{GDBN} version X.YZ and earlier, this option was called ...

That's because "previous versions" is a relative reference, which will
be inaccurate in the version after the one where this text will be
included.

The documentation parts are OK with this fixed.