* {{Code|empty-sequence()}} must be specified as type if an empty sequence is to be bound.
* Multiple items are separated in {supplied via the <code>{Code|value}} </code> argument and separated with {{Code|\1}} bytes.* Item types can be are specified by appending {{Code|\2}} and the type in its string representation to the an item. If no item type is specified, the general type is used.
Some examples: