When in the course of undo events, it becomes necessary to introduce
multiple undo managers, certain issues arise. For example: How to handle
the document change count?
I currently have at least a half dozen independent undo managers for my
document, which I keep in a bank near the document
On 30 Dec 2009, at 18:19, Gordon Apple wrote:
When in the course of undo events, it becomes necessary to introduce
multiple undo managers, certain issues arise. For example: How to handle
the document change count?
I currently have at least a half dozen independent undo managers for my
Ah! That's what I missed. Thanks. I assume that just tests the zero state
of changeCount. Maybe I can override that to return YES if any count is
non-zero.
This is a fairly complex document, involving a data hierarchy and various
contexts (and editable windows) within that hierarchy. Some of
