[pointerevents] Pull Request: Clarify the rationale and purpose of touch-action

patrickhlauke has just submitted a new pull request for https://github.com/w3c/pointerevents:

== Clarify the rationale and purpose of touch-action ==
- moved the note about viewport manipulation from the "Declaring candidate regions for default direct manipulation behaviors" section directly to the "Attributes and Default Actions" section, and made the text normative rather than informative (by not having it as a note, but actual part of the normative prose)
- expanded the sentence to more clearly convey what this means - by not having viewport manipulations treated/counted as a default action for pointer events, panning/zooming can't be prevented by cancelling a pointer event, and that instead authors must use `touch-action`
- tweaked the intro section to "Declaring candidate regions for default direct manipulation behaviors" to reiterate this concept/rationale
- removed one confusing instance of "default behavior" and changed to just "behavior" in a note in the touch-action section

Closes https://github.com/w3c/pointerevents/issues/366 https://github.com/w3c/pointerevents/issues/368

See https://github.com/w3c/pointerevents/pull/376


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Received on Saturday, 15 May 2021 11:50:28 UTC