In documentation,
updateChangeCount: "if the change count is 0, the document has no changes to
save, and if the change count is greater than 0, the document has been edited
and is unsaved"
isDocumentEdited "Returns YES if the receiver has changes that have not been
saved, NO otherwise."
I could write better code if I had a more direct definition. If I interpret
"document has been edited and is unsaved" to mean the same as "has changes that
have not been saved", then the converse follows by contradiction and thus the
implementation of -isDocumentEdited must be simply this:
- (BOOL)isDocumentEdited
{
return (_changeCount > 0) ;
}
Am I correct?
Thanks!
Jerry
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