PMC:149366 / 2978-2986 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1056","span":{"begin":2,"end":6},"obj":"JJ"}],"text":"n null m"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T739","span":{"begin":2,"end":6},"obj":"SO_EXT:sequence_nullness"}],"text":"n null m"}