XML Schema Validator

Location:	http://schneegans.de/sv/test-cases/invalid-attribute-values.xml
Well-formed:	Yes
Valid:	No
HTTP status code:	404 Not Found
HTTP Content Type:	text/html; charset=utf-8
HTTP encoding:	utf-8
XML encoding:	utf-8
Used encoding:	utf-8
Public Identifier:
System Identifier:
Validated as:

No schema was found.
Your document lacks a namespace declaration such as '<html xmlns="http://www.w3.org/1999/xhtml">' on the document element.
Only well-formedness constraints will be checked, while validity constraints will be ignored.

If you think the validation result is incorrect or if you have difficulties to understand the messages, feel free to write me an e-mail.