Re: [csswg-drafts] [css‑fonts‑4] Add `emoji` as a keyword to `unicode‑range` (#4573)

So (re-reading) we have some concrete suggestions

 - Use the Unicode properties sc=Script and scx=Script_Extensions for that. scx=Deva should be implemented as "set of code points whose Script_Extensions contain Deva", see [UTS 18](https://www.unicode.org/reports/tr18/) (regex spec).
 - For emoji, there are several properties you could look at: http://www.unicode.org/reports/tr51/#Emoji_Properties
(Unicode 13 will hoist all of these into the UCD proper.)
-  Include Common by default, but have opt out
- Scripts are defined in [Scripts.txt](https://www.unicode.org/Public/UCD/latest/ucd/Scripts.txt)
- Script Extensions are defined in [ScriptExtensions.txt](https://www.unicode.org/Public/UCD/latest/ucd/ScriptExtensions.txt)

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Received on Monday, 15 April 2024 19:02:04 UTC