block
(
XML Representation Attribute
)
Names
block
[
XML Schema Namespace
]
Description
Used to prevent the replacement of this type
in an instance document with an instance of certain
derived types. The value of this attribute can be one of
'restriction' (prevents a type derived by
restriction being used in place of this type),
'extension' (prevents a type derived by
extension being used) or '#all' (prevents any
derived type being used).