Files
rust_browser/tests/goldens/expected/266-overflow-positioned-children.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, 210)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#6 tag=body box=block
content: (0, 0, 800, 210)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#10 tag=div box=block
content: (0, 0, 200, 100)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#12 tag=div box=block
content: (50, 50, 200, 100)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 2 lines, height=38.399994, max_width=173.66228
line[0]: rect=(50, 50, 173.66228, 19.2) fragments=4
frag[0]: rect=(50, 51.6, 41.78561, 16) text="Clipped" start=false end=false
frag[1]: rect=(94.83994, 51.6, 13.215858, 16) text="by" start=false end=false
frag[2]: rect=(111.11013, 51.6, 58.47871, 16) text="positioned" start=false end=false
frag[3]: rect=(172.64317, 51.6, 47.96476, 16) text="overflow" start=false end=false
line[1]: rect=(50, 69.2, 39.847282, 19.2) fragments=1
frag[0]: rect=(50, 70.799995, 36.79295, 16) text="parent" start=false end=false
LayoutBox node=#13 tag=anonymous box=anon
content: (0, 0, 216.56389, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: " Clipped by position..."
LayoutBox node=#18 tag=div box=block
content: (0, 110, 200, 100)
padding: 0 0 0 0
border: 0 0 0 0
margin: 10 0 0 0
LayoutBox node=#20 tag=div box=block
content: (0, 110, 300, 200)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 1 lines, height=19.199997, max_width=87.21292
line[0]: rect=(0, 110, 87.21292, 19.2) fragments=2
frag[0]: rect=(0, 111.6, 41.78561, 16) text="Clipped" start=false end=false
frag[1]: rect=(44.839943, 111.6, 42.372982, 16) text="content" start=false end=false
LayoutBox node=#21 tag=anonymous box=anon
content: (0, 0, 87.21292, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Clipped content"