Table of contents

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1.1 Purpose

1.2 Requirements

1.4 Terminology

1.5 Constraints and Contributions

2.1 Datatype

2.2 Value space

2.3 Lexical space

2.3.1 Canonical Lexical Representation

2.4.1 Fundamental facets

2.4.2 Constraining or Non-fundamental facets

2.5 Datatype dichotomies

2.5.1 Atomic vs. list vs. union datatypes

2.5.2 Primitive vs. derived datatypes

2.5.3 Built-in vs. user-derived datatypes

3 Built-in datatypes

3.1 Namespace considerations

3.2 Primitive datatypes

3.2.1 string

3.2.2 boolean

3.2.3 decimal

3.2.4 float

3.2.5 double

3.2.6 duration

3.2.7 dateTime

3.2.10 gYearMonth

3.2.11 gYear

3.2.12 gMonthDay

3.2.13 gDay

3.2.14 gMonth

3.2.15 hexBinary

3.2.16 base64Binary

3.2.17 anyURI

3.2.18 QName

3.2.19 NOTATION

3.3 Derived datatypes

3.3.1 normalizedString

3.3.2 token

3.3.3 language

3.3.4 NMTOKEN

3.3.5 NMTOKENS

3.3.7 NCName

3.3.9 IDREF

3.3.10 IDREFS

3.3.11 ENTITY

3.3.12 ENTITIES

3.3.13 integer

3.3.14 nonPositiveInteger

3.3.15 negativeInteger

3.3.16 long

3.3.18 short

3.3.19 byte

3.3.20 nonNegativeInteger

3.3.21 unsignedLong

3.3.22 unsignedInt

3.3.23 unsignedShort

3.3.24 unsignedByte

3.3.25 positiveInteger

4 Datatype components

4.1 Simple Type Definition

4.1.1 The Simple Type Definition Schema Component

4.1.2 XML Representation of Simple Type Definition Schema Components

4.1.3 Constraints on XML Representation of Simple Type Definition

4.1.4 Simple Type Definition Validation Rules

4.1.5 Constraints on Simple Type Definition Schema Components

4.1.6 Simple Type Definition for anySimpleType

4.2 Fundamental Facets

4.2.1 equal

4.2.2 ordered

4.2.3 bounded

4.2.4 cardinality

4.2.5 numeric

4.3 Constraining Facets

4.3.1 length

4.3.2 minLength

4.3.3 maxLength

4.3.4 pattern

4.3.5 enumeration

4.3.6 whiteSpace

4.3.7 maxInclusive

4.3.8 maxExclusive

4.3.9 minExclusive

4.3.10 minInclusive

4.3.11 totalDigits

4.3.12 fractionDigits

Appendices

A Schema for Datatype Definitions (normative)

B DTD for Datatype Definitions (non-normative)

C Datatypes and Facets

C.1 Fundamental Facets

D ISO 8601 Date and Time Formats

D.1 ISO 8601 Conventions

D.2 Truncated and Reduced Formats

D.3 Deviations from ISO 8601 Formats

D.3.1 Sign Allowed

D.3.2 No Year Zero

D.3.3 More Than 9999 Years

E Adding durations to dateTimes

E.1 Algorithm

E.2 Commutativity and Associativity

F Regular Expressions

F.1 Character Classes

F.1.1 Character Class Escapes

G Glossary (non-normative)

H.1 Normative

H.2 Non-normative

I Acknowledgements (non-normative)

H.1 Normative

Normative

IEEE 754-1985

IEEE. IEEE Standard for Binary Floating-Point Arithmetic. See

(See http://standards.ieee.org/reading/ieee/std_public/description/busarch/754-1985_desc.html.)

XML Linking Language

World Wide Web Consortium. XML Linking Language (XLink). Available at:

(See http://www.w3.org/TR/2000/PR-xlink-20001220/.)

XML 1.0 (Second Edition)

World Wide Web Consortium. Extensible Markup Language (XML) 1.0, Second Edition. Available at:

(See http://www.w3.org/TR/2000/WD-xml-2e-20000814.)

XML Schema Part 1: Structures

XML Schema Part 1: Structures. Available at:

(See http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/.)

XML Schema Requirements

World Wide Web Consortium. XML Schema Requirements. Available at:

(See http://www.w3.org/TR/1999/NOTE-xml-schema-req-19990215.)

Namespaces in XML

World Wide Web Consortium. Namespaces in XML. Available at:

(See http://www.w3.org/TR/1999/REC-xml-names-19990114/.)

RFC 2396

Tim Berners-Lee, et. al. RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax.. 1998. Available at:

(See http://www.ietf.org/rfc/rfc2396.txt.)

RFC 2732: Format for Literal IPv6 Addresses in URL's. 1999. Available at: http://www.ietf.org/rfc/rfc2732.txt

RFC 2045

N. Freed and N. Borenstein. RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies. 1996. Available at:

(See http://www.ietf.org/rfc/rfc2045.txt.)

RFC 1766

H. Alvestrand, ed. RFC 1766: Tags for the Identification of Languages 1995. Available at:

(See http://www.ietf.org/rfc/rfc1766.txt.)

Clinger, WD (1990)

William D Clinger. How to Read Floating Point Numbers Accurately. In Proceedings of Conference on Programming Language Design and Implementation, pages 92-101. Available at:

(See ftp://ftp.ccs.neu.edu/pub/people/will/howtoread.ps.)

Unicode Database

The Unicode Consortium. The Unicode Character Database. Available at:

(See http://www.unicode.org/Public/3.1-Update/UnicodeCharacterDatabase-3.1.0.html.)

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