ok, try creating a link like <a href="default.asp"> link</a>  then using the code cleaner to remove font tags and see what happends, it even does this in the demo..

 

    editor.CustomAddons = myCustomAddons
    editor.AutoConfigure =  "EnableAll"
    editor.ThemeType="Office2003"
    editor.DisableAutoFormatting = true
    editor.RemoveServerNamesFromUrl = true
    'editor.ChangeAbsoluteURLsToRelative =true
    UseRelativeLinks =true
    editor.Width = 500
    editor.Draw()