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Document Revision History

This table describes the changes to Key-Value Observing Programming Guide.

Date	Notes
2006-06-28	Updated code examples.
2005-07-07	Clarified that you should not release objects before calling willChangeValueForKey: methods. Noted that Java is not supported.
2004-08-31	Corrected minor typos.
	Clarified the need to nest manual key-value change notifications in “Automatic Versus Manual Support.”
2004-03-20	Modified source example in “Registering Dependent Keys.”
2004-02-22	Corrected source example in “Registering for Key-Value Observing.” Added article “Key-Value Observing Implementation Details .”
2003-11-11	Corrected reference to instance variables in “Automatic Versus Manual Support”
2003-10-15	Initial publication of Key-Value Observing.

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Last updated: 2006-06-28

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