built-in data type
element-declaration instance has a shelf of type
attribute-declaration, which can be obtained with the syntax
attributes of element-declaration. This shelf has the same number of items and is keyed the same way as the
attributes shelf for the corresponding element event. For element events produced by a validating SGML or XML parse, this is the number of declared attributes for the element. In the case of a well-formed XML parse, this is the number of specified attributes.
attribute-declaration instance has two properties:
Considering that elements have attributes, one first has to create an
attribute-declaration that corresponds to the attributes that an element should have, before one creates a new