Once upon a time that was the case when the mousedown logic paused a bit 
(to see if drag was starting IIRC) before making the selection.

On 1/20/13 1:23 PM, Frank Shearar wrote:
> What I_did_  find was that choosing a method by clicking on it was
> noticeably slower ( than choosing a new method by using the up or down
> arrows, which is quite interesting.

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