PMC:1584416 / 1491-1502 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T315","span":{"begin":2,"end":3},"obj":"``"},{"id":"T316","span":{"begin":3,"end":7},"obj":"JJ"},{"id":"T318","span":{"begin":7,"end":8},"obj":"''"}],"text":"f “null” al"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T79","span":{"begin":3,"end":7},"obj":"SO_EXT:sequence_nullness"}],"text":"f “null” al"}