abstractpublic class AbstractEscherHolderRecord extends Record(Code)
The escher container record is used to hold escher records. It is abstract and
must be subclassed for maximum benefit.
author: Glen Stampoultzis (glens at apache.org) author: Michael Zalewski (zalewski at optonline.net)
join(AbstractEscherHolderRecord record) Big drawing group records are split but it's easier to deal with them
as a whole group so we need to join them together.