BS ISO/IEC 19757-4:2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Notation
5 Data model
  5.1 General
  5.2 Creating a data model from the infoset
6 Syntax
  6.1 General
  6.2 Full syntax
  6.3 Simple syntax
  6.4 Simplification
      6.4.1 General
      6.4.2 Annotations
      6.4.3 Whitespace
      6.4.4 message attribute
      6.4.5 mustSupport attribute
      6.4.6 schemaType attribute of rules elements
      6.4.7 rules without mode children
      6.4.8 child mode elements of validate, allow, reject,
             attach, unwrap, attachPlaceholder, or context
             elements
      6.4.9 namespace or anyNamespace elements
      6.4.10 mode inclusion
      6.4.11 competition within mode
      6.4.12 default anyNamespace
      6.4.13 allow and reject
      6.4.14 useMode attribute
7 Primitive operations
  7.1 General
  7.2 Creating element sections and attribute sections
  7.3 Decomposition of element sections by trigger elements
  7.4 Attaching attribute sections to elements
  7.5 Attaching element sequences to elements
  7.6 Creating placeholder elements from element sections
  7.7 Converting attribute sections to empty elements
8 Semantics
  8.1 General
  8.2 Preliminaries
  8.3 Stage 1: Creating element and attribute sections
  8.4 Stage 2: Constructing interpretations
  8.5 Stage 3: Combining sections
  8.6 Stage 4: Filtering of the combined sections
  8.7 Stage 5: Validation
      8.7.1 General
      8.7.2 Determining schemas and schema languages
      8.7.3 Schema rewriting for attribute sections
      8.7.4 Options
9 Conformance
Annex A (normative) Full syntax in RELAX NG
Annex B (normative) Simple syntax in RELAX NG
Annex C (informative) An NVDL script and RELAX NG schema
                      for the full syntax
  C.1 General
  C.2 RELAX NG schema
  C.3 NVDL script
Annex D (informative) Example
  D.1 General
  D.2 RDF embedded within XHTML
      D.2.1 Simplification
      D.2.2 Dispatching
             D.2.2.1 General
             D.2.2.2 Stage 1
             D.2.2.3 Stage 2
             D.2.2.4 Stage 3
             D.2.2.5 Stage 4
             D.2.2.6 Stage 5
  D.3 XHTML 2.0 and XForms
      D.3.1 Simplification
      D.3.2 Dispatching
             D.3.2.1 General
             D.3.2.2 Stage 1
             D.3.2.3 Stage 2
             D.3.2.4 Stage 3
             D.3.2.5 Stage 4
             D.3.2.6 Stage 5
Bibliography

Specifies a Namespace-based Validation Dispatching Language (NVDL). It controls the dispatching of elements or attributes in a given XML document to different validators, depending on the namespaces of the elements or attributes.