Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Conventions
6 Query expressions
7 Filter
8 Sorting
Annex A (normative) - Conformance testing
Annex B (informative) - Filter schema definitions
Annex C (informative) - Examples
Annex D (informative) - EBNF for XPath subset
Annex E (informative) - Abstract model
Bibliography