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Changes between Version 1 and Version 2 of ChimeraAnimationTasks

v1	v2
9	9	Some tips in the [http://www.cgl.ucsf.edu/chimera/docs/ProgrammersGuide/faq.html programming FAQ] are useful (esp, items 4, 5, 7-10). Note, take a look at the code for {{{chimera.update.checkForChanges()}}}, as this may be helpful in detecting changes for transitions and for checking the validity of state parameters.
10	10
	11	{{{chimera.OpenModels.addRemoveHandler(func, data)}}} can be used to add a trigger handler when removing models. This might be useful in the creation of a state instance as a way to maintain integrity or validity of the saved state. It may depend on whether the state instance keeps a reference or a copy of models in the saved state. For efficiency, it is better to keep a reference. For validity, it could be better to keep a copy. Perhaps a copy is required only when a model is removed, so the copy action could be triggered then.