Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1f762c715f3c5a90f5e500df0a9249fced7f37a5
      
https://github.com/WebKit/WebKit/commit/1f762c715f3c5a90f5e500df0a9249fced7f37a5
  Author: Alan Baradlay <[email protected]>
  Date:   2026-02-12 (Thu, 12 Feb 2026)

  Changed paths:
    A 
LayoutTests/fast/inline/margin-with-float-and-block-in-inline-expected.html
    A LayoutTests/fast/inline/margin-with-float-and-block-in-inline.html
    M Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp
    M Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.h

  Log Message:
  -----------
  [block-in-inline] Incorrect inline content position when float and margin are 
present
https://bugs.webkit.org/show_bug.cgi?id=307608

Reviewed by Antti Koivisto.

While floats need to know about margins on blocks, they are supposed to be 
transparent to margin collapsing.

Test: fast/inline/margin-with-float-and-block-in-inline.html

* LayoutTests/fast/inline/margin-with-float-and-block-in-inline-expected.html: 
Added.
* LayoutTests/fast/inline/margin-with-float-and-block-in-inline.html: Added.
* Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp:
(WebCore::Layout::LineBuilder::initialize):
(WebCore::Layout::LineBuilder::applyMarginInBlockDirectionIfNeeded):

  Only reset margins when we see inline (inflow) content.

(WebCore::Layout::LineBuilder::tryPlacingFloatBox):
(WebCore::Layout::LineBuilder::handleInlineContent):
* Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.h:

Canonical link: https://commits.webkit.org/307393@main



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