RFR: 8191891: Update minumum Ant version in Nashorn build.xml

[Hannes Wallnöfer]

Thanks.

> Am 28.11.2017 um 15:59 schrieb Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com>:
> 
> PS. Is there a doc where we documented this?

I don’t think there is. I have grepped for ‚Ant‘ and the version number in docs/nashorn and didn’t find anything.

Hannes

> 
> -Sundar
> 
> On 28/11/17, 7:56 PM, Hannes Wallnöfer wrote:
>> Please review:
>> 
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8191891
>> Webrev: http://cr.openjdk.java.net/~hannesw/8191891/webrev.00/
>> 
>> Thanks,
>> Hannes