XQuery forms
AND	X Y
ATTRIBUTE	NAME VALUE &AUX NODE
DIFFERENCE	&REST ARGS
ELEMENT	NAME CHILDREN
ID-TEST	&KEY NAME TYPE TARGET
INTERSECTION	&REST ARGS
MAKE-NCNAME	NAMESTRING &OPTIONAL (NAMESPACE *NULL-NAMESPACE*)
MAKE-TNAME	LITERAL
MAKE-UNAME	NAMESPACE LOCAL-PART
OR	X Y
RANGE-TEST	&KEY MIN MAX
UNION	&REST ARGS