Hi Alastair, It’s been awhile since I’ve followed this one, but I agree with David that “motion” by itself is not clear. Most definitions of “animation” include motion or movement in the description. I get what you’re after reading what you wrote: >“Motion and scaling” are the ones we are confident are definitely issues. Colour changes, blinking and scrolling information (e.g. a teletype banner type thing) are not definitely issues, so I’d rather not try and cover those and leave it open to comments of over-reach. As written, I don’t think this scopes out scrolling marquees since there’s obviously motion there. I’m guessing you also want to exclude little things like a spinning coin? Or would that be dependent on size? Maybe use a word or phrase to refer to motion which includes position change of elements? Steve From: Alastair Campbell [mailto:acampbell@nomensa.com] Sent: Wednesday, August 16, 2017 6:21 AM To: David MacDonald <david@can-adapt.com> Cc: WCAG <w3c-wai-gl@w3.org> Subject: Re: Where we stand on Animations SC #18 Hi David, I’m not sure what definition we’d use for motion & scaling beyond the dictionary ones? * Motion: the action or process of moving or of changing place or position; movement. * Scaling: the [change of] size or extent of something especially in comparison to something else * (From CSS docs) Scaling: An increase or decrease in size. For motion the dictionary definition is it, scaling less so. Would “sizing” work better than scaling? “For non-essential motion or sizing animations triggered by a user action…” Would that negate the need for a definition? Cheers, -Alastair From: David MacDonald I support the new wording, with a definition for motion and scalingReceived on Wednesday, 16 August 2017 13:59:57 UTC
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