It seesm to me that this must be a really lame question, and it is,
I apologize. But I'd still like to know the answer. :-)
In an EL expression, does the identifier "null" return to the literal
null value, or does it refer to a JSTL variable named "null". For
example, if I want to explicitly set a variable to null, does this do it?
<c:set var="myVar" value="${null}" />
Or does JSTL interpret that as a reference to a variable named "null"?
I can find reference in the JSTL spec to testing whether the result
of an expression is null or empty, but not how to *set* something null
explicitly.
I guess a related question is this: You can use the "empty" operator
to determine whether a value is null or empty; does "eq null" perform
a test that is true *only* for null values?
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