Re: [csswg-drafts] [css-env] Device Pixel Ratio (#5986)

d-p-r, as the term is currently used, is not about the ratio of px to physical sizes, but rather the ratio of CSS px to device pixels.

[As I just laid out in a new FAQ entry](https://wiki.csswg.org/faq#real-physical-lengths), having user agents provide real-world lengths is a failed experiment that we're not interested in trying again.

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As a side note, pixels are always *square enough* on the web that lengths are identical in both dimensions; a 100px by 100px square is always square.

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Received on Friday, 26 February 2021 20:49:11 UTC