PMC:194730 / 679-683 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T333","span":{"begin":3,"end":4},"obj":"SYM"}],"text":"xA7-"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T161","span":{"begin":3,"end":4},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"xA7-"}