[pan69]

I really like how that is done. It would be great to be able to annotate source code like this within your IDE.

[AlecSchueler]

Looks like it was created using Docco - http://jashkenas.github.com/docco/

[alttab]

the newest version of vim has this seamlessly integrated :)

[heimidal]

For real? If so, how do you access it?

[freyrs3]

!docco %