structure:define

(((ANY element from ANY namespace OTHER than 'http://relaxng.org/ns/structure/1.0' | ANY element from LOCAL namespace 'No Namespace')) | structure:element | structure:attribute | structure:group | structure:interleave | structure:choice | structure:optional | structure:zeroOrMore | structure:oneOrMore | structure:list | structure:mixed | structure:ref | structure:parentRef | structure:empty | structure:text | structure:value | structure:data | structure:notAllowed | structure:externalRef | structure:grammar)