PureHTML. TreeBuilder. Quirks
(PureHTML v0.5.0)
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The document mode a DOCTYPE token selects.
The lists are the initial insertion mode's, fetched from the standard on 2026-09-15. Identifiers compare ASCII case-insensitively, and an empty system identifier is not missing for the quirks-only-without-system rows.
Summary
Functions
The mode for a DOCTYPE token's name, public identifier, system identifier,
and force-quirks flag. Missing identifiers are nil.