PMC:1858683 / 548-555 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1038","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"null fu"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T864","span":{"begin":0,"end":4},"obj":"SO_EXT:sequence_nullness"}],"text":"null fu"}