About <res-sharing-scope> element in the ejb-jar.xml/entity/resource-ref.
"An option res-sharing-scope element. This currently is not supported by JBoss"was said in the JBoss free on-line docs Chapter 3 paragraph 'RESOURCE MANAGER CONNECTION FACTORY REFERENCES'. really? Does it mean I needn't configure this element? Is it useless if I configure <res-sharing-scope> unshareable,and JBoss will still consider it shareable?