Remarks
The preamble defines the XML version and an XML Document Type Definition file for the document.
Required elements inside a taglib element are
- the tlibversion element which give a version number for the tag library, and
- the shortname element used to identify the library.
A tag element specifies:
- Java classes that define the behavior of the action.
- attribute elements that define the tag’s attributes.
- An attribute may be “required” or optional.
- Its value may be required to be a constant string, or allowed to be a dynamic, request-time expression (“rtexprval” element).
- The body content of the the defined element may be specified to be EMPTY.
- It may also be specified to be JSP, or tagdependent.