2067: "description" field modifications wiped when displaying "diff"

mate.s******@gmai***** (Google Code) (Is this you? Claim this profile.)
April 12, 2011
What version are you running?

What's the URL of the page containing the problem?
While entering new review request

What steps will reproduce the problem?
1. start creating a new review
2. upload a diff file on the first screen
3. start editing the "description" field
4. while editing the "description" field press the "View Diff" button to refer to the modifications you made to the soruce code
5. observe that all the input you laboriously entered to the "description" field is wiped and you have no obvious way to recover it

What is the expected output?
Display the Diff and keep all the information entered into the "description" field

What do you see instead?
The description field is wiped and I have to re-enter everything from scratch

What operating system are you using? What browser?
Mac OS X 10.6.6
Firefox 3.6.13