Accidental Activation wrap-up

For SC Accidental Activation, I came up with an extra bullet  which I think addresses the concern at the end of today's call.  Here's the current proposal in full:

For functionality which can be operated using a single pointer, at least one of the following is true:

*       No Down-Event: The down-event of the pointer is not used to execute any part of the function;

*       Abort or Undo: Completion of the function is on the up-event, and a mechanism is available to abort the function before completion or undo the function after completion;

*       Up Reversal: The up-event reverses any outcome of the preceding down-event;

*       Essential: Completing the function on the down-event is essential.

With glossary links for functionality, mechanism, up/down-event, and single pointer all as is in the current draft, except that we simply delete the word "activation".

In very plain language:

*       No Down-Event - applicable to single click, double click, etc. where I can abort after any down-event  by moving pointer away

*       Abort or Undo - applicable to outcomes completed via up-event, but need to use down-event, such as drag and drop, gestures, or long press

*       Up Reversal = Covers situation on today's call where up cancels the effect of down, so user can't accidentally do anything.

*       Essential - Covers stuff like games as explained in understanding.

Any issues?  Looks good?

Steve Repsher
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