RFR(xs): 8151265: Add a way to extend UL tags

[Robbin Ehn]

Thanks Kim!

/Robbin

On 03/10/2016 09:26 AM, Kim Barrett wrote:
>> On Mar 9, 2016, at 3:35 AM, Robbin Ehn <robbin.ehn at oracle.com> wrote:
>>
>> Hi, please review this small change.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8151265/
>> Webrev: http://cr.openjdk.java.net/~rehn/8151265/webrev/
>>
>> This adds an extension hpp with macro for extension tags.
>>
>> Thanks!
>>
>> /Robbin
>
> Looks good.
>