b9380a8a03
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The strut half-leading calculation in apply_vertical_align used the effective line height (inflated by tall inline-block elements like images) instead of the CSS computed line-height. For a line with a 76px image and CSS line-height: 15px, the strut got half_leading = (76 - font_height)/2 ≈ 30, inflating descent by ~30px. This caused floated containers to overflow their parents, leaking through shared BFC float contexts and displacing sibling floats. Fixes: pass CSS computed line-height separately for strut calculation; also pass parent font family/weight/style for accurate strut metrics. Adds float=left/right annotations to layout tree dumps for debugging. 32 WPT tests promoted from known_fail to pass. BMOW page sidebar moves from x=73 to x=829 (correct float:right), content from y=4375 to y=114. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
47 lines
2.1 KiB
Plaintext
47 lines
2.1 KiB
Plaintext
LayoutBox node=#1 tag=html box=block
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content: (0, 0, 800, 68)
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padding: 0 0 0 0
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border: 0 0 0 0
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margin: 0 0 0 0
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LayoutBox node=#8 tag=body box=block
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content: (8, 16, 784, 35.2)
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padding: 0 0 0 0
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border: 0 0 0 0
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margin: 8 8 8 8
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LayoutBox node=#10 tag=div box=block float=left
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content: (8, 16, 150, 60)
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padding: 0 0 0 0
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border: 0 0 0 0
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margin: 0 0 0 0
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inline_context: 0 lines, height=0, max_width=0
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LayoutBox node=#12 tag=div box=block float=right
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content: (642, 16, 150, 60)
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padding: 0 0 0 0
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border: 0 0 0 0
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margin: 0 0 0 0
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inline_context: 0 lines, height=0, max_width=0
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LayoutBox node=#14 tag=p box=block
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content: (8, 16, 784, 19.2)
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padding: 0 0 0 0
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border: 0 0 0 0
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margin: 16 0 16 0
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inline_context: 1 lines, height=19.2, max_width=330.0205
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line[0]: rect=(158, 16, 330.0205, 19.2) fragments=11
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frag[0]: rect=(158, 17.6, 23.612333, 16) text="Text" start=false end=false
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frag[1]: rect=(184.66667, 17.6, 47.835533, 16) text="between" start=false end=false
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frag[2]: rect=(235.55653, 17.6, 17.938326, 16) text="left" start=false end=false
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frag[3]: rect=(256.5492, 17.6, 21.07489, 16) text="and" start=false end=false
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frag[4]: rect=(280.6784, 17.6, 26.60793, 16) text="right" start=false end=false
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frag[5]: rect=(310.34067, 17.6, 30.637295, 16) text="floats" start=false end=false
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frag[6]: rect=(344.0323, 17.6, 33.527164, 16) text="wraps" start=false end=false
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frag[7]: rect=(380.61377, 17.6, 10.290749, 16) text="in" start=false end=false
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frag[8]: rect=(393.95883, 17.6, 18.126286, 16) text="the" start=false end=false
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frag[9]: rect=(415.13943, 17.6, 38.12041, 16) text="middle" start=false end=false
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frag[10]: rect=(456.31418, 17.6, 31.706316, 16) text="space" start=false end=false
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LayoutBox node=#15 tag=anonymous box=anon
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content: (0, -8, 330.02054, 16)
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padding: 0 0 0 0
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border: 0 0 0 0
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margin: 0 0 0 0
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text: "Text between left an..."
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