2 - !DocumentStart { explicit: false }
3 - !Scalar { implicit: [true,false], value: 'data' }
6 - !Scalar { implicit: [true,false] }
8 - !DocumentStart { version: [1,1], tags: { '!': '!foo', '!yaml!': 'tag:yaml.org,2002:', '!ugly!': '!!!!!!!' } }
9 - !Scalar { implicit: [true,false] }