Re: [fxtf-drafts] Clarify the size of the "input image"

Gecko implementation for `feConvolveMatrix` edge sampling defines the input image rectangle as the intersection of the filter region and the primitive subregion. The painted extents of the element that the filter is applied to are not taken into account. We pad with transparency when needed.

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Received on Tuesday, 20 November 2018 00:55:51 UTC