Re: [csswg-drafts] [css-text4] text-spacing-trim and classes of (#9504)

> These WPT tests assume it

The "[fullwidth opening punctuation](https://drafts.csswg.org/css-text-4/#fullwidth-opening-punctuation)" includes quotation marks, so the test matches the spec without needing to including `Pf`.

Aside that, wether to include [`Pf`](https://util.unicode.org/UnicodeJsps/list-unicodeset.jsp?a=%5B%3Agc%3DPf%3A%5D&g=&i=) or not...I'm not sure. They are not commonly used in CJK context, and not all of them look like open nor close to me, so I guess it's not necessary, but not strongly oppose.

> Further, thoes tests makes it conditional on the language, collapsing when it's Japanese, but not when it's Chinese. If we were to do spec that language dependency,...

The test uses a web font (Noto CJK) and it's written specifically for that font, without considering other fonts. Noto CJK follows a variation of the convention often used by Adobe fonts (see the [official font readme file](https://github.com/adobe-fonts/source-han-sans/raw/release/SourceHanSansReadMe.pdf) for more details.) But there are surprisingly many other variants that I'm hesitant to spec all those variants.

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Received on Friday, 20 October 2023 09:31:21 UTC