PMC:1315279 / 387-392 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T303","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"null "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T140","span":{"begin":0,"end":4},"obj":"SO_EXT:sequence_nullness"}],"text":"null "}