[webkit-dev] Request for position: supports(<font-technology>) extended syntax for @font-face

Dominik Röttsches drott at chromium.org
Mon Aug 9 07:49:21 PDT 2021

Hi @ webkit-dev, hi Myles,

we'd like to know your opinion on the extended supports(<font-technology>)
syntax of the @font-face src: descriptor.

   - Specification or proposal URL:
   https://drafts.csswg.org/css-fonts-4/#font-face-src-parsing, in
   particular the [ format(<font-format>
   <https://drafts.csswg.org/css-fonts-4/#font-format-values> [supports
   <https://drafts.csswg.org/css-fonts-4/#font-technology-values>#]?)]? part
   of the spec.

The changes have originally been approved / developed in the CSS WG process
already. As we're considering shipping this feature, we'd like to know if
Apple is considering implementing support as well.

   - CSS WG Resolution for issue #633
   <https://github.com/w3c/csswg-drafts/issues/633> initially adding
   format() and supports() syntax
   - CSS WG change in issue #6340
   <https://github.com/w3c/csswg-drafts/issues/6340> to clarify parsing
   rules for supports syntax

Is this something you're considering developing / shipping in WebKit? As
Myles has been an active contributor in the proposal in issue #633, I am
hoping we have your support on this matter.

Thanks in advance,

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