Re: [csswg-drafts] [css-syntax] custom property names too permissive, require namespacing rules (#7129)

The HTML allowed chars are:

> "-" | "." | [0-9] | "_" | [a-z] | #xB7 | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x203F-#x2040] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]

We'd continue to disallow `.` and allow `[A-Z]`, of course, but for all the characters >= 0x80 we'll match this list.

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Received on Wednesday, 16 March 2022 17:01:14 UTC