When I tried jde-2.2.8beta5, XEmacs gave Malformed property list: (:initarg :ok-action-args :type list :initform nil "Additional arguments to pass to `ok-action'."), ("Additional arguments to pass to `ok-action'.") jde-2.2.8beta4 loads fine. I have jde-2.2.8beta4 eieio-0.17beta2 semantic-1.4beta8 speedbar-0.14beta1 XEmacs 21.4 (patch 0) "Solid Vapor" SuSE Linux 7.0 with a 2.4.5 kernel -- Pete