PMC:1189074 / 365-367 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T107","span":{"begin":0,"end":1},"obj":"SYM"},{"id":"T108","span":{"begin":1,"end":2},"obj":"-RRB-"}],"text":"−)"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T279","span":{"begin":0,"end":1},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"−)"}