Re: [csswg-drafts] [css-mediaqueries] prefers-color-scheme and printing (#3522)

The CSS Working Group just discussed `prefers-color-scheme and printing`, and agreed to the following:

* `RESOLVED: Do not have any normative text about this. Add a note encouraging UAs to think about what should be done for printing and to use light when they know printing to paper`

<details><summary>The full IRC log of that discussion</summary>
&lt;dael> Topic: prefers-color-scheme and printing<br>
&lt;dael> github: https://github.com/w3c/csswg-drafts/issues/3522<br>
&lt;dael> emilio: Somebody asked if prefers color scheme should always be light web printing. Seems reasonableand I think it's what webkit does. BUt author can already check that. Should we define this?<br>
&lt;AmeliaBR> It sounds like something that the browser should include in their Print UI, just like turning off background images.<br>
&lt;AmeliaBR> (AKA, what Florian is saying)<br>
&lt;dael> florian: Feels like something up to UA. Seems reasonable UA choice to switch to light when prining. I think a checkbox in the print pop up is also reasonable as well. Saying UA can have a different preference sounds good, but forcing light is overkill<br>
&lt;dael> fantasai: I think suggest UA returns light when prining<br>
&lt;tantek> yes that seems reasonable<br>
&lt;dael> TabAtkins: What's returned is 100% UA determined, but most of the time you want light when printing. Have a note that this may vary on various factors, but printing should default to light<br>
&lt;dael> emilio: You might want dark if printing a PDF, but that's something the UA can expose. I'm happy to default to light<br>
&lt;emilio> s/emilio/dino<br>
&lt;dael> fantasai: Suggest if you expect to print to paper you should indicate a preference for white. Doesn't necessarily mean PDFs should default to light<br>
&lt;dael> astearns: Prop: Do not have any normative text about this. Add a note encouraging UAs to think about what should be done for printing and to use light when they know printing to paper<br>
&lt;dael> astearns: Objections?<br>
&lt;Rossen> unless the paper is black... :)<br>
&lt;dael> RESOLVED: Do not have any normative text about this. Add a note encouraging UAs to think about what should be done for printing and to use light when they know printing to paper<br>
</details>


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Received on Wednesday, 13 February 2019 17:56:40 UTC