'' block-mapping-start-token() '?' scalar-token(plain=#t, style=#f, value="plain") ':' scalar-token(plain=#t, style=#f, value="This unquoted scalar spans many lines.") '?' scalar-token(plain=#t, style=#f, value="quoted") ':' scalar-token(plain=#f, style=#\", value="So does this quoted scalar.\n") block-end-token() ''