The territory
- Presumes well-formedness or readiness for generic XML processing
- Probably happens after schema validation
- Distinct from, but overlapping with
- More formal validation regimens
- Structural validation (DTD or schema)
- (Granular) data type validation (e.g. via XML Schema)
- XPath-based validation (e.g. Schematron)
- Front end (authoring/data entry) forms and stylesheets
- Data normalization (a different application of transformation)
- Processing for production (ditto)