Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 1ecb160d72f75c57927794c9b5967f71b75f034c
https://github.com/WebKit/WebKit/commit/1ecb160d72f75c57927794c9b5967f71b75f034c
Author: Vitor Roriz <[email protected]>
Date: 2025-12-19 (Fri, 19 Dec 2025)
Changed paths:
A
LayoutTests/imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade-expected.html
A
LayoutTests/imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade-ref.html
A
LayoutTests/imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade.html
M LayoutTests/platform/gtk/TestExpectations
M LayoutTests/platform/win/TestExpectations
M LayoutTests/platform/wpe/TestExpectations
M Source/WebCore/platform/graphics/cocoa/FontDescriptionCocoa.cpp
Log Message:
-----------
outlook.com: Microsoft OWA: ETS:Font Mingliu renders malpositioned numbers in
Safari
https://bugs.webkit.org/show_bug.cgi?id=304530
rdar://139338599
Reviewed by Elika Etemad.
CoreText returns reserved font names like ".Times Fallback" when
resolving generic families for certain locales (e.g., lang="en-US"
with font-family: serif). Font names starting with '.' are reserved
for system use and must be created via CTFontCreateUIFontForLanguage(),
not standard font lookup.
WebKit cannot look up these reserved names, causing the generic family
to fail and the cascade to continue. This resulted in incorrect font
selection where text would fall through to emoji fonts.
Fix by rejecting font names starting with '.' in platformResolveGenericFamily()
and using settings-based resolution instead.
Tests:
imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade-ref.html
imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade.html
*
LayoutTests/imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade-expected.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade-ref.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-fonts/generic-family-lang-attr-cascade.html:
Added.
* Source/WebCore/platform/graphics/cocoa/FontDescriptionCocoa.cpp:
(WebCore::FontDescription::platformResolveGenericFamily):
Canonical link: https://commits.webkit.org/304809@main
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