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[csswg-drafts] [css-fonts] Add COLRv1 keyword to `<color-font-technology>` production (#6329)

From: Dominik Röttsches via GitHub <sysbot+gh@w3.org>
Date: Mon, 31 May 2021 14:01:40 +0000
To: public-css-archive@w3.org
Message-ID: <issues.opened-907499197-1622469698-sysbot+gh@w3.org>
drott has just created a new issue for https://github.com/w3c/csswg-drafts:

== [css-fonts] Add COLRv1 keyword to `<color-font-technology>` production ==
_Context:_ On the background of our plans to introduce COLR v1 color fonts we have requests from partner for feature detection for font formats, in particular COLRv1.

To the line
`<color-font-technology> = [COLR | SVG | sbix | CBDT ]`
I suggest to add a specific item `COLRv1` or `COLRV1`.

_Reasoning:_ Table version 1 brings a whole set of a new capabilities that differs from table version 0 graphical capabilities (think flexible vector graphics (v1) vs. stacked uni-colored glyph layers (v0)). UAs should be able to distinguish and load only the [right supported font based on the `supports` sequence of the `format()` function](https://drafts.csswg.org/css-fonts/#font-face-src-parsing) in the `@font-face` `src:` line.




Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/6329 using your GitHub account


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