Can create arbitrary subtree with children and attributes, not just
Can specify arbitrary query to navigate in the source tree
from current match to leader node.
Call the node relative to which new node is created as
child/attribute/preceding sibling/following sibling the creation
origin. Can specify path in output tree from leader destination to
When a new subtree is created, for each node in that subtree, can
specify label to identify transformation from node being transformed
to that node. When transforming a node, can specify label that
identifies transformation of leader node that should be used.
When creating node, can specify relative order of nodes created with
that node as creation origin and with same relationship to creation