Fix #1929: Incorrect NER when pre-set sentence boundaries.
Fix #1929: Incorrect NER when pre-set sentence boundaries.

spacy-io/spaCy,recognai/spaCy,aikramer2/spaCy,aikramer2/spaCy,explosion/spaCy,explosion/spaCy,spacy-io/spaCy,honnibal/spaCy,aikramer2/spaCy,recognai/spaCy,aikramer2/spaCy,spacy-io/spaCy,recognai/spaCy,explosion/spaCy,honnibal/spaCy,spacy-io/spaCy,honnibal/spaCy,spacy-io/spaCy,recognai/spaCy,aikramer2/spaCy,explosion/spaCy,explosion/spaCy,honnibal/spaCy,recognai/spaCy,explosion/spaCy,spacy-io/spaCy,aikramer2/spaCy,recognai/spaCy