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Re: [csswg-drafts] [css-fonts] system-ui-serif, system-ui-monospaced, and system-ui-rounded (#4107)

From: Maciej Stachowiak via GitHub <sysbot+gh@w3.org>
Date: Sun, 14 Jul 2019 02:18:21 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-511167521-1563070700-sysbot+gh@w3.org>
>  I still don't see an authoring use case for "match the system standard serif font" because most systems don't have standard serif (or rounded or monospace) fonts.

Rounded appears unique to Apple platforms. But serif and monospace system fonts seem to exist on at least Android, iOS/iPadOS and macOS. According to statcounter, these operating systems account for [59.56% of global browsing use share](http://gs.statcounter.com/os-market-share). That seems like a significant enough share that it would be valuable 

So far, we've not exposed these fonts to the web at all, and we'd be very reluctant to expose them to the open web as symbolic names with a -apple or -webkit prefix. That would leave other platforms out in the cold (either with existing serif/mono system fonts, or if they add them in the future) and would lead to authoring of Apple-platform-specific CSS, which we would prefer not to encourage further. Right now they are only exposed in specific native apps that opt in. We'd prefer websites and web apps to have access to this functionality as well, if a suitable syntax is accepted as standards-track



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Received on Sunday, 14 July 2019 02:18:27 UTC

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