Files
rust_browser/tests/goldens/expected/060-overflow-nested.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, 136)
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, 120)
padding: 0 0 0 0
border: 0 0 0 0
margin: 8 8 8 8
LayoutBox node=#10 tag=div box=block
content: (18, 18, 150, 100)
padding: 10 10 10 10
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#12 tag=div box=block
content: (23, 23, 200, 80)
padding: 5 5 5 5
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#14 tag=div box=block
content: (23, 23, 300, 150)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 1 lines, height=19.2, max_width=85.99119
line[0]: rect=(23, 23, 85.99119, 19.2) fragments=2
frag[0]: rect=(23, 24.6, 39.27166, 16) text="Nested" start=false end=false
frag[1]: rect=(65.32599, 24.6, 43.6652, 16) text="clipping" start=false end=false
LayoutBox node=#15 tag=anonymous box=anon
content: (0, 0, 85.991196, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Nested clipping"