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Match required and optional form-control states - #447
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This was referenced Sep 18, 2026
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:requiredand:optionalwere parsed and hadrequireddependency metadata, but the native matcher rejected both pseudos. This change matches the states for applicableinput,select, andtextareacontrols and trackstypemutations that move inputs into or out of the applicable set.The applicability check treats missing and unknown input types as text and excludes hidden, range, color, and button-like types. Buttons and unrelated elements match neither pseudo-class.
Validation debt: under the current implementation-only priority, browser/WPT/native correctness, build, performance, allocation, memory, lifecycle, scene/pixel, product, hosted checks, and CI monitoring were intentionally skipped.
git diff --checkpassed. This debt remains under #257/#235.Closes #446
Parent: #257