Used for testing the web framework; only necessary for testing
applications when testing custom JSP tags.
Note that the Jakarta JSTL implementation (jstl.jar, standard.jar)
has to be available on the class path to use this expression evaluator.
author: Juergen Hoeller since: 1.1.5 See Also: org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager