support xml namespaces in compat check
support xml namespaces in compat check

may appear in some syndication feeds

kaltura/server,DBezemer/server,DBezemer/server,kaltura/server,kaltura/server,DBezemer/server,DBezemer/server,doubleshot/server,doubleshot/server,doubleshot/server,DBezemer/server,kaltura/server,kaltura/server,DBezemer/server,doubleshot/server,doubleshot/server,DBezemer/server,doubleshot/server,DBezemer/server,kaltura/server,doubleshot/server,doubleshot/server