1 %YAML 1.1 2 --- 3 !!seq [ 4 !!null "", 5 !!str "block node\n", 6 !!seq [ 7 !!str "one", 8 !!str "two", 9 ], 10 !!map { 11 ? !!str "one" 12 : !!str "two", 13 } 14 ] 15
