Implemented by subclasses to insert a container break (typically a page break) at the insertion point or selection, deleting the selection if there is one.
Original signature is '- (void)insertContainerBreak:(id)sender'
Available in Mac OS X v10.4 and later.


- sender (Id)
- Typically the object that invoked this method.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)