Re: [csswg-drafts] [resize-observer] ResizeObserver should support fragments (#3673)

@atotic `borderSize` is not currently shipping anywhere - as such, when authors learn about this change to the API they will undoubtedly either through tutorial or debugging see that it returns an array of entries. And thus their code will be written with `borderSize[0]`.

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Received on Monday, 25 February 2019 19:44:43 UTC