[css-device-adapt][media-queries] device-width/height

Hi,

In the CSS Device Adaptation spec, device-width is defined as

"The width of the screen in CSS pixels at zoom factor 1.0."

But in CSS3 Media Queries the media query is defined as:

"The ‘device-width’ media feature describes the width of the rendering
surface of the output device. For continuous media, this is the width
of the screen. For paged media, this is the width of the page sheet
size."

Currently some user agents (like iOS Safari) uses the exact same
values for device-width when used as part of the viewport meta tag (or
Device Adaptation) and when queried by media queries. This makes sense
for me. The value is in CSS units.

Unfortunately this is not clearly stated in the CSS3 Media Queries
spec, and other user agents (say, Chrome for Android) uses device
units instead of CSS units, when queried.


Could we clean this up? Like either state in CSS3 Media Queries that
these are in CSS units or add a note in the CSS Device Adaptation
spec?

Cheers
Kenneth

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Received on Wednesday, 10 October 2012 11:33:22 UTC