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Pig >> mail # user >> udf + boolean constructor

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udf + boolean constructor
I'm trying to set useMatches=false in REGEX_EXTRACT_ALL as per the javadoc:
(and yes, I'm using pig 0.11).

But it doesn't work.  I'm concerned about this post:

I can only hope this comment only applies to Pig <= 0.11.... otherwise it's
just cruel to have features impossible to use!

(FWIW, I'll write a UDF that wraps REGEX_EXTRACT_ALL with a string
argument, but that's pretty gross...)