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rust_browser/tests/goldens/expected/052-position-relative.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, 126)
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, 110)
padding: 0 0 0 0
border: 0 0 0 0
margin: 8 8 8 8
LayoutBox node=#10 tag=div box=block
content: (8, 8, 200, 110)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#12 tag=div box=block
content: (8, 8, 100, 30)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 1 lines, height=19.2, max_width=36.88693
line[0]: rect=(8, 8, 36.88693, 19.2) fragments=1
frag[0]: rect=(8, 9.6, 36.88693, 16) text="Before" start=false end=false
LayoutBox node=#13 tag=anonymous box=anon
content: (0, 0, 36.88693, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Before"
LayoutBox node=#15 tag=div box=block
content: (8, 38, 100, 50)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 1 lines, height=19.2, max_width=43.4185
line[0]: rect=(8, 38, 43.4185, 19.2) fragments=1
frag[0]: rect=(8, 39.6, 43.4185, 16) text="Relative" start=false end=false
LayoutBox node=#16 tag=anonymous box=anon
content: (0, 0, 43.4185, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "Relative"
LayoutBox node=#18 tag=div box=block
content: (8, 88, 100, 30)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
inline_context: 3 lines, height=57.59999, max_width=91.312775
line[0]: rect=(8, 88, 91.312775, 19.2) fragments=3
frag[0]: rect=(8, 89.6, 27.265785, 16) text="After" start=false end=false
frag[1]: rect=(38.320118, 89.6, 41.033775, 16) text="(should" start=false end=false
frag[2]: rect=(82.408226, 89.6, 13.85022, 16) text="be" start=false end=false
line[1]: rect=(8, 107.2, 56.76358, 19.2) fragments=2
frag[0]: rect=(8, 108.799995, 10.831131, 16) text="at" start=false end=false
frag[1]: rect=(21.885464, 108.799995, 39.823788, 16) text="normal" start=false end=false
line[2]: rect=(8, 126.399994, 48.152718, 19.2) fragments=1
frag[0]: rect=(8, 127.99999, 48.152718, 16) text="position)" start=false end=false
LayoutBox node=#19 tag=anonymous box=anon
content: (0, 0, 196.22906, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "After (should be at ..."