Document Revision History

This table describes the changes to Interface Builder User Guide.

Date	Notes
2009-10-19	Added information about user-defined runtime attributes.
	Replaced the term proxy object with placeholder object.
2009-08-28	Updated with new information about Interface Builder features.
	Added the chapter “Interface Builder Quick Start” for new users.
	Described the new feature “Classes” in the Library window.
	Added the appendix “Interface Builder Gesture Guide.”
2008-06-26	Updated to incorporate information about nib files in iPhone OS.
2007-10-31	New document that describes how to use the Interface Builder application.