Re: [csswg-drafts] [css-fonts] Do generic fonts resolve to a single font face value?

So a few thoughts here:
* I'm generally a little hesitant to let something vary as a result of user preferences or system settings, but not as a result of user-agent implementor choices.
* However, it's not clear to me why that clause is needed:  when would a user agent want to pick different fonts for the same Unicode codepoint in the same language with the same specified generic font?  Reasons I can think of include: other codepoints in the same grapheme cluster, attempts to do language inference in various ways on text of officially unknown language, and possibly the font used for adjacent grapheme clusters (although I tend to think that's a bad idea).  None of these are user preferences or system settings, though.
* If we do want to allow variation for these reasons, it seems likely that web content will come to depend on them (e.g., for correct rendering of CJK text), and we'll need to standardize them.

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Received on Wednesday, 10 January 2018 02:12:05 UTC