PMC:1584416 / 1494-1503 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T316","span":{"begin":0,"end":4},"obj":"JJ"},{"id":"T318","span":{"begin":4,"end":5},"obj":"''"}],"text":"null” all"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T79","span":{"begin":0,"end":4},"obj":"SO_EXT:sequence_nullness"}],"text":"null” all"}