Features

• Add walkTokens option #1664

Fixes

• Fix renderer.code includes space at beginning of each line of code #1645
• Fix codespan newline #1652
• Fix comma after underscore emphasis #1660
• Fix loose task list with no tokens #1674
• Add browser field in package.json pointing to es5 output #1661
• Add newline to rendered code with language #1670
• Fix async highlighter walking all tokens #1664

Docs

• Add tokenizer to option docs #1662