fn:insert-before

Insert an item into a sequence.

insert-before($target as item()*, $position as xs:integer, $inserts as item()*) ➔ item()*

Arguments
	$target	item()*	Input sequence, into which new values are inserted
	$position	xs:integer	The position of the item before which the new values are inserted
	$inserts	item()*	The values to be inserted into the sequence
Result		item()*

http://www.w3.org/2005/xpath-functions