xf:local-name() => string
xf:local-name(node $srcval) => string
xf:number() => anySimpleType
xf:number(node $srcval) => anySimpleType
op:node-equal(node $parameter1, node $parameter2) => boolean
xf:deep-equal(node $parameter1, node $parameter2) => boolean
xf:deep-equal(node $parameter1, node $parameter2, anyURI $collation) => boolean
op:node-before(node $parameter1, node $parameter2) => boolean
op:node-after(node $parameter1, node $parameter2) => boolean
xf:copy(node? $srcval) => node?
xf:shallow(node? $srcval) => node?
xf:if-absent((elementNode | attributeNode)? $node, anySimpleType $value) => (elementNode | attributeNode | anySimpleType)?
xf:if-empty((elementNode | attributeNode)? $node, anySimpleType $value) => (elementNode | attributeNode | anySimpleType)