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rust_browser/tests/goldens/expected/054-position-absolute.layout.txt
Zachary D. Rowitsch d5234cf546 Implement HTML5 tree builder insertion modes with code review fixes (§13.2.6)
Refactor tree_builder.rs into module directory with 7 files implementing all
23 insertion modes per WHATWG HTML §13.2.6.4 as an explicit state machine.
Includes active formatting elements list with Noah's Ark clause, scope
checking for all 5 scope types, context-sensitive fragment parsing, and
iterative token reprocessing via ProcessResult enum.

Code review fixes: fix formatting element end tag truncation bug (save
node_id before truncate), replace manual element creation in catch-all
StartTag with insert_element_maybe_self_closing, add skip_next_newline for
pre/listing/textarea per spec, add QuirksMode to Document with basic DOCTYPE
detection, refactor all 23 handlers from Token to &Token to eliminate clone
per dispatch, fix self_closing handling for pre/listing/textarea/plaintext,
improve golden test 276 fixture coverage and foster-parent test assertion.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-14 22:12:19 -04:00

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LayoutBox node=#1 tag=html box=block
content: (0, 0, 800, 216)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#8 tag=body box=block
content: (8, 8, 784, 200)
padding: 0 0 0 0
border: 0 0 0 0
margin: 8 8 8 8
LayoutBox node=#10 tag=div box=block
content: (8, 8, 300, 200)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#12 tag=div box=block
content: (8, 8, 100, 30)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 1 lines, height=19.2, max_width=77.9207
line[0]: rect=(8, 8, 77.9207, 19.2) fragments=2
frag[0]: rect=(8, 9.6, 38.43759, 16) text="In-flow" start=false end=false
frag[1]: rect=(49.491924, 9.6, 36.42878, 16) text="sibling" start=false end=false
LayoutBox node=#13 tag=anonymous box=anon
content: (0, 0, 77.92071, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "In-flow sibling"
LayoutBox node=#15 tag=div box=block
content: (20, 10, 80, 50)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 2 lines, height=38.4, max_width=66.07928
line[0]: rect=(20, 10, 66.07928, 19.2) fragments=2
frag[0]: rect=(20, 11.6, 48.62261, 16) text="Absolute" start=false end=false
frag[1]: rect=(71.67693, 11.6, 11.348018, 16) text="to" start=false end=false
line[1]: rect=(20, 29.2, 48.281937, 19.2) fragments=1
frag[0]: rect=(20, 30.800001, 48.28194, 16) text="viewport" start=false end=false
LayoutBox node=#16 tag=anonymous box=anon
content: (0, 0, 114.36123, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Absolute to viewport"
LayoutBox node=#18 tag=div box=block
content: (8, 38, 100, 30)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 2 lines, height=38.4, max_width=99.535965
line[0]: rect=(8, 38, 87.38912, 19.2) fragments=2
frag[0]: rect=(8, 39.6, 44.851685, 16) text="Another" start=false end=false
frag[1]: rect=(55.906017, 39.6, 36.42878, 16) text="sibling" start=false end=false
line[1]: rect=(8, 57.2, 99.535965, 19.2) fragments=2
frag[0]: rect=(8, 58.800003, 45.2511, 16) text="(ignores" start=false end=false
frag[1]: rect=(56.30543, 58.800003, 51.230537, 16) text="absolute)" start=false end=false
LayoutBox node=#19 tag=anonymous box=anon
content: (0, 0, 186.92511, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Another sibling (ign..."