Files
rust_browser/tests/external/wpt/expected/wpt-layout-overflow-hidden.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, 22)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#8 tag=body box=block
content: (0, 0, 800, 22)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#10 tag=div box=block
content: (1, 1, 80, 20)
padding: 0 0 0 0
border: 1 1 1 1
margin: 0 0 0 0
inline_context: 3 lines, height=57.600002, max_width=67.55947
line[0]: rect=(1, 1, 59.30103, 19.2) fragments=3
frag[0]: rect=(1, 2.6000004, 20.15859, 16) text="this" start=false end=false
frag[1]: rect=(24.212921, 2.6000004, 21.321585, 16) text="text" start=false end=false
frag[2]: rect=(48.58884, 2.6000004, 8.657856, 16) text="is" start=false end=false
line[1]: rect=(1, 20.2, 67.55947, 19.2) fragments=2
frag[0]: rect=(1, 21.800001, 36.099854, 16) text="longer" start=false end=false
frag[1]: rect=(40.154186, 21.800001, 25.350954, 16) text="than" start=false end=false
line[2]: rect=(1, 39.4, 41.726875, 19.2) fragments=2
frag[0]: rect=(1, 41, 18.126286, 16) text="the" start=false end=false
frag[1]: rect=(22.180618, 41, 20.546255, 16) text="box" start=false end=false
LayoutBox node=#11 tag=anonymous box=anon
content: (0, 0, 168.58737, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "this text is longer ..."