Refactor Lexer in `lib/parse.js`
Refactor Lexer in `lib/parse.js`

yukkurisinai/mdast,chcokr/mdast,ulrikaugustsson/mdast,eush77/remark,eush77/remark,ulrikaugustsson/mdast,chcokr/mdast,wooorm/remark,tanzania82/remarks,yukkurisinai/mdast