JET recognizes the following "Classic" JET directives,
but does not yet implement them. An error message is issued if any
of the following directives are recognized:
The @taglib directive imports an XML tag library, or renames the
taglibrary namespace prefix. Example:
<%@taglib id="org.eclipse.jet.controlTags" prefix="cc"%>
The value for prefix must be value XML NCName, namely, it must
start with letter or underscore (_), and then contain letters,
digits or the characters underscore (_), hyphen (-) or dot (.).
The id for the Standard JET tag libaries are: