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RESOLVED FIXED
263261
Font fallback for Private-Use Area Unicode (PUA) code points use generic families
https://bugs.webkit.org/show_bug.cgi?id=263261
Summary
Font fallback for Private-Use Area Unicode (PUA) code points use generic fami...
Vitor Roriz
Reported
2023-10-17 10:57:26 PDT
According to spec:
> If a given character is a Private-Use Area Unicode codepoint, user agents must only match font families named in the font-family list that are not generic families. If none of the families named in the font-family list contain a glyph for that codepoint, user agents must display some form of missing glyph symbol for that character rather than attempting installed font fallback for that codepoint.
(
https://drafts.csswg.org/css-fonts-4/#char-handling-issues
) We are currently not ignoring generic font families for font fallback when a code point is in the private-use area (PUA).
Attachments
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proposed patch, testcase, etc.
Vitor Roriz
Comment 1
2023-10-17 11:09:43 PDT
<
rdar://problem/115901340
>
Vitor Roriz
Comment 2
2023-10-17 11:10:59 PDT
Pull request:
https://github.com/WebKit/WebKit/pull/19174
EWS
Comment 3
2023-10-19 07:51:10 PDT
Committed
269524@main
(4535075b56fd): <
https://commits.webkit.org/269524@main
> Reviewed commits have been landed. Closing PR #19174 and removing active labels.
Vitor Roriz
Comment 4
2023-10-24 10:47:16 PDT
Re-opening for pull request
https://github.com/apple/WebKit/pull/870
EWS
Comment 5
2023-10-24 16:58:57 PDT
Committed
267815.424@safari-7617-branch
(8c7be2b8800b): <
https://commits.webkit.org/267815.424@safari-7617-branch
> Reviewed commits have been landed. Closing PR #870 and removing active labels.
Tim Nguyen (:ntim)
Comment 6
2025-06-16 10:19:26 PDT
https://github.com/web-platform-tests/wpt/pull/42660
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