Re: [pointerevents] Add OS image dragging to non-normative reasons for pointercancel

@mustaqahmed I'm not sure I'm following your points.  It sounds like you disagree with my objections about using `downEvent.preventDefault()` to prevent `dragstart` from triggering `pointercancel`,  but I'm not sure you understand my concerns.

It sounds to me like the @NavidZ's recommendation so far is:

- `pointercancel` will be dispatched immediately before `dragstart`.
- If the author doesn't like that, the author ought to `downEvent.preventDefault()` to prevent drag from occurring.

My objection is that this isn't granular enough.  _Most_ default browser actions (like panning and clicking) should still be permitted.  Therefore, I think `pointercancel` ought to only be dispatched if `dragStart.preventDefault()` hasn't been called, which means it should come after `dragstart`.

Does that make sense?  Are we all on the same page?

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Received on Monday, 15 May 2017 18:36:54 UTC