Has anyone else experienced the problem of entering a new prefix definition on the fly and getting an 'Assertion error" followed by program crash? I tried 4U1VIC=OE with no luck. Using the latest CTY file. -- Submissions: ct-user@contesting.com Administrative requests: ct-user-REQUEST@contesting.com WWW: http://www.contesting.com/ct/ Questions: owner-ct-user@contesting.com