Bug 279740

Summary: "inherit" as variable substitution fallback not working when setting custom property
Product: WebKit Reporter: Jeffery To <jeffery.to>
Component: CSSAssignee: Antti Koivisto <koivisto>
Status: RESOLVED FIXED    
Severity: Normal CC: koivisto, m_dubet, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 17   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Test case none

Jeffery To
Reported 2024-09-15 14:07:38 PDT
Created attachment 472568 [details] Test case When a custom property is set like: --color: var(--unknown, inherit); the custom property does not inherit the correct value. Steps to reproduce: 1. Open attached test case. Expected result: A 10px green border is shown. Actual result: A 10px border with the default colour is shown. Tested with: * Safari 17.6 (19618.3.11.11.5) on macOS Sonoma 14.6.1 (MacBook Pro 16-inch, M3 Max) * Safari on iOS 17.6.1 (iPhone 15) * Safari on iPadOS 17.6.1 (iPad Pro 13-inch, M4) * Epiphany 46.0 on Ubuntu 24.04 (libwebkitgtk 2.44.3) Works on Chrome and Firefox.
Attachments
Test case (539 bytes, text/html)
2024-09-15 14:07 PDT, Jeffery To 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2024-09-22 14:08:23 PDT
<rdar://problem/136463977>
Antti Koivisto
Comment 2 2025-07-02 09:46:58 PDT
Pull request: https://github.com/WebKit/WebKit/pull/47490
EWS
Comment 3 2025-07-02 11:31:21 PDT
Committed 296918@main (ca01e51f3120): <https://commits.webkit.org/296918@main> Reviewed commits have been landed. Closing PR #47490 and removing active labels.
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