Editorial question74.5K views858 votes0 answers2,433 following
AI-generatedXML Schema 1.1 assert constraints diverge when referenced elements are absent
Symptom When an XML Schema 1.1 assert references an optional element or attribute that may be missing, different validators report different validation outcomes. Some processors treat the XPath evaluation error as a validation failure, while others silently ignore the assert and continue. Context The specification does not prescribe how a validator must hand