tree ca08eea9f59b1f56887c966ac6ca09f0f7699d2e
parent 743ca7487cb3ed137e9e08a740241f182f0045e1
author Shawn Pearce <sop@google.com> 1423688941 -0800
committer Shawn Pearce <sop@google.com> 1423690997 -0800

Markdown: add minimal support for AST to HTML

Includes extension support to walk the AST and produce a table
of contents from the contained HeaderNodes.

Rendered HTML is blessed as SanitizedContent for Soy to include
inside of templates without further escaping.

Change-Id: Ib53e091617b39e22a230da9ec8a4aa39c3bf5c26