Files
rust_browser/tests/goldens/expected/028-inline-at-block-start.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, 35.2)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#3 tag=body box=block
content: (8, 8, 784, 19.2)
padding: 0 0 0 0
border: 0 0 0 0
margin: 8 8 8 8
LayoutBox node=#4 tag=div box=block
content: (8, 8, 784, 19.2)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 1 lines, height=19.2, max_width=79.16593
line[0]: rect=(8, 8, 79.16593, 19.2) fragments=3
frag[0]: rect=(8, 9.6, 26.372978, 16) text="Start" start=true end=true
frag[1]: rect=(37.42731, 9.6, 21.321585, 16) text="text" start=false end=false
frag[2]: rect=(61.803226, 9.6, 25.362703, 16) text="here" start=false end=false
LayoutBox node=#5 tag=span box=inline
content: (0, 0, 0, 0)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#6 tag=anonymous box=anon
content: (0, 0, 26.372978, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Start"
LayoutBox node=#7 tag=anonymous box=anon
content: (0, 0, 52.792946, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: " text here"