PMC:1584416 / 5060-5069 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1133","span":{"begin":1,"end":5},"obj":"JJ"}],"text":" null cur"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T550","span":{"begin":1,"end":5},"obj":"SO_EXT:sequence_nullness"}],"text":" null cur"}