Retire five duplicated implementations, three of them the stdlib's job - #40

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imnasnainaec wants to merge 13 commits into

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stdlib-and-internal-duplicates

Commits on Sep 3, 2026

Locate byte regions with expat rather than a hand-rolled byte walk

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3440d2c
Bisect for an error's entry, and count form languages with Counter

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b6fe0aa
Walk the dataclass tree once, for whichever class the caller wants

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1ccae89
Add Entry.all_senses(), and walk subsenses through it everywhere

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3fce13b
Make Multitext an actual Mapping instead of imitating one

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6f98cef
Describe the Multitext mapping surface and all_senses() in the changelog

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4f13be0
Key the Multitext mapping by language, not by form

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77563c4
Hold the two invariants the validation rewrites rely on locally

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d319873
Leave the Multitext mapping change out of this branch

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f665eb5
Say why the encoding guard is there, now that byte walking is not

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606e5f2
Give the companion-discovery rules a subsection of their own

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0bb4ecf
Point the guides at Entry.all_senses()

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2f133f7
Pin the two scanner rules the corpus does not exercise

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004defd