Change background color of differences

"Murphy, John S" <[email protected]> Mon, 9 Jan 2006 15:00:39 -0600
Newsgroups gmane.emacs.xemacs.general
Message-ID <CBE13541C6D60B4FB792E9DC7BEFE4C70F5808@XCH-SE-2V1.se.nos.boeing.com>
How do you change the color of the background for the differences
identified by the Compare tool?  I've tried editing virtually all of the

FACES but have not been able to alter the background color.

John S Murphy
[email protected]