]> Note that the namespace declaration for the builtins namespace is in structures.dtd so it can be customised Import the builtins, and rename them all into this namespace as well This type is extended by almost all schema types to allow attributes from other namespaces to be added to user schemas. This type is extended by all types which allow annotation other than <schema> itself Can be restricted to required or forbidden #all or (possibly empty) subset of {list, restriction, reproduction} A utility type, not for public use Should be a sequence drawn from the values of the set below, or #all -- regexp is only an approximation This was formerly for the top-level datatype element, as ref'ed in <schema Required at the top level This was for the nested datatype element, as formerly used in <element Forbidden when nested A utility type, not for public use each (8-bit) byte is encoded as a sequence of 2 hexidecimal digits value is encoded in Base64 as defined in the MIME RFC