Check out the latest draft (25) of the JSR-286 Portlet API 2.0 specification, PLT.4.3 Portlets and Web Frameworks (page 27):
http://hnsp.inf-bb.uni-jena.de/spec/JSR%202.0%20Spec/PortletSpec_20_noTrackChanges.pdf :) Regards, Ate
Check out the latest draft (25) of the JSR-286 Portlet API 2.0 specification, PLT.4.3 Portlets and Web Frameworks (page 27):
http://hnsp.inf-bb.uni-jena.de/spec/JSR%202.0%20Spec/PortletSpec_20_noTrackChanges.pdf :) Regards, Ate