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For this discussion we will assume that the concept of 'state' is importantdesirable. If there is a down event, there should be a corresponding up event. It is possible that several down events could share a single up or clearing event.
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For this discussion we will assume that the concept of 'state' is importantdesirable. If there is a down event, there should be a corresponding up event. It is possible that several down events could share a single up or clearing event.
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