Collapse non-trivial whitespace into single ' '

Do not require space in ATX headers ( ###header )

Recognize URLs as autolinks even without '<', '>'

Recognize e-mails as autolinks even without '<', '>' and 'mailto:'

Disable indented code blocks. (Only fenced code works.)

Disable raw HTML blocks.

Disable raw HTML (inline).

Enable tables extension.

Enable strikethrough extension.

Enable WWW autolinks (even without any scheme prefix, if they begin with 'www.')

Enable task list extension.

Enable $ and $$ containing LaTeX equations.

Recognize e-mails, URL and WWW links

Disable raw HTML.

CommonMark

Github Flavoured Markdown