NiceIterator.andThen: remove() has minor bug
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                 Key: JENA-60
                 URL: https://issues.apache.org/jira/browse/JENA-60
             Project: Jena
          Issue Type: Bug
            Reporter: Andy Seaborne
            Assignee: christopher james dollin



regarding com.hp.hpl.jena.util.iterator.NiceIterator:

If you have a NiceIterator and you do andThen and call
it.hasNext();
it.remove();

it can try to remove() from the wrong underlying iterator. Remove should call 
remove() on the iterator that returned the previous next(), not current.

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