Files
rust_browser/tests/goldens/expected/073-pre-tabs.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, 73.600006)
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, 57.600006)
padding: 0 0 0 0
border: 0 0 0 0
margin: 8 8 8 8
LayoutBox node=#4 tag=pre box=block
content: (8, 8, 784, 57.600006)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 3 lines, height=57.600006, max_width=169.163
line[0]: rect=(8, 8, 169.163, 19.2) fragments=4
frag[0]: rect=(8, 9.6, 28.193832, 16) text="Line" start=false end=false
frag[1]: rect=(43.24229, 9.6, 28.193832, 16) text="with" start=false end=false
frag[2]: rect=(78.48459, 9.6, 21.145374, 16) text="tab" start=false end=false
frag[3]: rect=(106.67842, 9.6, 70.48458, 16) text="characters" start=false end=false
line[1]: rect=(8, 27.2, 98.67842, 19.2) fragments=2
frag[0]: rect=(15.048458, 28.800001, 56.387665, 16) text="Indented" start=false end=false
frag[1]: rect=(78.48459, 28.800001, 28.193832, 16) text="line" start=false end=false
line[2]: rect=(8, 46.4, 119.82379, 19.2) fragments=2
frag[0]: rect=(22.096916, 48, 42.29075, 16) text="Double" start=false end=false
frag[1]: rect=(71.43613, 48, 56.387665, 16) text="indented" start=false end=false
LayoutBox node=#5 tag=anonymous box=anon
content: (0, 0, 408.81073, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Line with\ttab\tcharac..."