From: Gavin Kistner <gavin.kistner@...>
Date: 2006-10-31T07:15:11+09:00
Subject: Re: <!-- foo --> in RDoc

From: Christoffer Sawicki [mailto:christoffer.sawicki@gmail.com] 
> 2. How can I insert <!-- foo --> verbatim?

Here's one way that works:
# Test
# <tt><</tt><tt>!-- foo --></tt>
def test() end