Update common_mark tests and output for CommonMark issue https://github.com/jgm/CommonMark/issues/423 The json output contained an invalid entry that added an invalid test and made the examples numbers off-by-one compared to the spec html Generated from https://github.com/jgm/CommonMark/commit/d64dc449407cbdde777096e82f6ca65a39b21bfa Which has no test changes since 0.26 tag