Also update the information on binary plugs, which are optional.


> * The jdk-7-ea-plug-b77-windows-i586-03_dec_2009.jar should not be needed
> > anymore for a successful build. I would skip it. (Binary plugs are
> > optional).
> >

Reminds me we need to forwardport the doc. update for this. OpenJDK6
lists them as optional, but 7 doesn't.
Clarify that a fresh ant install is really the best route

>> * Ant copied from Netbeans 6.7 - If that worked, fine. But I would really
>> rather people download and install the official 1.7.1 version of ant.
>> NetBeans may be sifting out parts of ant in it's install, so using the
>> ant from NetBeans may not be the same behavior as from an official ant
>> install. But if you got it to work, that's great.
>>
>
> This is especially true with the recent jaxp/jaxws changes which rely
> on the regexp extension. I know that's not in the base package on
> most GNU/Linux distros.
>