facebook/react — pull request #136 by jeffmo (2013-06-28 20:14:22+00:00)
Title: Add support for empty XJS expressions

Allows for empty expressions so that something like this is now possible:
`

{/* this is a comment */}
child1

`

This then becomes a good way of commenting within a JSX child declaration body

See https://github.com/facebook/react/issues/82