cvc-elt.4.3.2.1 requires an xsi:type to name a type DERIVED from the element's declared type. anyType is the ur-supertype of every type, so it is never derived from anySimpleType (its own subtype); an anyType override on an anySimpleType element is therefore invalid. The general not-derived check stays silent on ur-type declared types to avoid false positives, so this adds the narrow, provably-invalid anyType-for-anySimpleType pairing only, leaving anyType valid on an anyType-declared element (which resolves to a complex ur-type and is excluded). XSTS invalid-instances-accepted 30 -> 29 (stZ056), no other bucket moved (valid-schemas-rejected and valid-instances-rejected held at 0 across all 14383 groups). 1450 unit tests pass. |
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| .. | ||
| design | ||
| plans | ||
| rules | ||
| benchmarks.md | ||
| onboarding-antigravity.md | ||
| production-readiness.md | ||
| release-hurdles.md | ||
| roadmap.md | ||
| schema-validity-burndown.md | ||
| validation-coverage-registry.txt | ||
| validation-field-registry.txt | ||
| xsts-deviations.md | ||