We need to support the Unified Expression Language as defined here (http://www.jcp.org/en/jsr/detail?id=245) and mentioned here (http://en.wikipedia.org/wiki/Unified_Expression_Language) and here (http://java.sun.com/products/jsp/reference/techart/unifiedEL.html) and here (http://download.oracle.com/javaee/5/tutorial/doc/bnahq.html).