Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: d67021780499fd4ad7a2650ad93fcb6bd13d9a02
https://github.com/WebKit/WebKit/commit/d67021780499fd4ad7a2650ad93fcb6bd13d9a02
Author: Ahmad Saleem <[email protected]>
Date: 2025-12-08 (Mon, 08 Dec 2025)
Changed paths:
M LayoutTests/TestExpectations
M Source/WebCore/rendering/mathml/RenderMathMLPadded.cpp
Log Message:
-----------
mpadded lspace attribute incorrectly positions content in RTL direction
https://bugs.webkit.org/show_bug.cgi?id=303735
rdar://166045517
Reviewed by Frédéric Wang.
In RTL mode, lspace should add space on the inline-start (physical right)
side. The previous implementation added in 303070@main simply negated lspace,
which incorrectly positioned content at the left edge instead of accounting
for the box width and content width.
For RTL with lspace="25px", width="150px", and content width 75px:
- Content should end 25px from the right edge
- Content starts at: 150 - 25 - 75 = 50px from left
The fix calculates RTL inline shift as (width - contentWidth - lspace())
to properly position content relative to the box's right edge.
* Source/WebCore/rendering/mathml/RenderMathMLPadded.cpp:
(WebCore::RenderMathMLPadded::layoutBlock):
* LayoutTests/TestExpectations: Progression
Canonical link: https://commits.webkit.org/304087@main
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