Validates JSP pages to prohibit use of scripting elements. 1.1 2.0 scriptfree http://jakarta.apache.org/taglibs/standard/scriptfree javax.servlet.jsp.jstl.tlv.ScriptFreeTLV allowDeclarations false Controls whether or not declarations are considered valid. allowScriptlets false Controls whether or not scriptlets are considered valid. allowExpressions false Controls whether or not top-level expressions are considered valid. allowRTExpressions false Controls whether or not expressions used to supply request-time attribute values are considered valid. Validates prohibitions against scripting elements.