Re: [csswg-drafts] [css-text-4] Make ideograph-alpha and ideograph-numeric part of text-spacing: normal (#6950)

The Chinese Layout Task Force [discussed](https://www.w3.org/2022/04/15-clreq-minutes.html#t02) this issue. Most group participants think that ideally, there should be extra spacing between Han and Western text. The specific value can be discussed separately, but the TF members think 1/8em is an acceptable default value for the Web (for print publications, the spacing can be larger). Many people think that solid setting between Han and Western text is bad typography.

Also, some think that Japanese is more tolerant of not having the extra spacing, because unlike Chinese, the Japanese writing system uses a combination of a variety of scripts. The Japanese version of some apps do not have extra spacing by default, while the Chinese version of the same app have extra spacing by default. But since this is original research of the clreq group, and I'll let the [jlreq](https://github.com/w3c/jlreq) group share what they think.

If the CSS Working Group decides not to change the default due to compatibility issues, we (the clreq group) are fine with that.

The clreq group members think that this is an important issue, and maybe even the most important issue that CSS needs to solve now for Chinese typography. Because browsers don't support `ideograph-alpha` and `ideograph-numeric` currently, many authors add `U+0020` manually, which eventually leads to all kinds of potential interoperability issues (like #4992) or bad typography (for example, `U+0020` in some fonts are too wide or too narrow).

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Received on Wednesday, 20 April 2022 05:16:23 UTC