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docs: correct FIDELITY.md -- block-in-inline promotion closed in round 38 - #290
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…d 38
"Known gaps" kept saying a block-level element nested under an inline-
context ancestor (the <react-partial>/votearrow pattern) was
flattened into plain text and "not attempted", citing architecture
"comparable in scope to Shadow DOM". Round 38 (2026-09-05, engine#118)
actually built this (InlineItem.BlockBreak + placeInlineSegments,
following CSS 2.1 Section 9.2.1.1), with passing regression tests
still green on current code -- confirmed live while drafting a plan
to implement what turned out to already exist.
The inline-flex entry repeated the same stale cross-reference ("needs
the same mechanism this engine has never had"), even though its own
opening sentence already said the mechanism existed and was wired in
at round 148. Corrected both to point at the actual closing round
instead of each other's now-six-week-old citation.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary
<react-partial>/votearrow pattern) was unfixed and "comparable in scope to Shadow DOM" -- round 38 (engine#118) actually closed this on 2026-09-05, with passing regression tests still green on current code.inline-flexentry that cross-referenced it with the same stale claim.Test plan
layout/blockinline_test.go's regression tests (TestFlexContainerUnderUnstyledInlineElementGetsRealLayout,TestBlockBreakResetsPendingWhitespace, etc.) all still pass before writing the correction.