RFR (S) 8230338 : Accurate error message about bad Unicode block name

[Roger Riggs]

Looks fine Ivan,

Thanks, Roger

On 8/29/19 2:20 AM, Ivan Gerasimov wrote:
> Hello!
>
> When Pattern.compile complains about a wrong Unicode block name, it 
> includes the prefix "In" twice, like this:
> ''Unknown character property name {*In*/Is*In*BadBlockName} near index 
> NN ''
>
> Would you please help review a trivial fix, which makes the message 
> more accurate?
>
> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8230338
> WEBREV: http://cr.openjdk.java.net/~igerasim/8230338/00/webrev/
>
> Thanks in advance!
>