validateDtd

XmlValidationResult validateDtd(
       string xml,
       string systemId =  "",
       XmlValidateOptions options =  XmlValidateOptions.init)

@safe

Validates an XML document using the library's native DTD validation.

This entrypoint runs our parser with XmlParseOptions.validateDtd=true and converts any XmlException into an XmlValidationResult.

`xml`	XML document text.
`systemId`	Optional identifier for diagnostics/base URI.
`options`	Validation options.

fnXmlValidationResult validateDtd(XmlDocument document, XmlValidateOptions options = XmlValidateOptions.init) @safe

Validates a DOM document using native DTD validation.

This currently re-serializes and reparses the document to trigger the parser's DTD validation.