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.2 Non-normative

Non-normative

IETF INTERNET-DRAFT: IRIs

L. Masinter and M. Durst. Internationalized Resource Identifiers 2001. Available at:

(See http://www.ietf.org/internet-drafts/draft-masinter-url-i18n-07.txt.)

Ruby

World Wide Web Consortium. Ruby Annotation. Available at:

(See http://www.w3.org/TR/2001/WD-ruby-20010216/.)

HTML 4.01

World Wide Web Consortium. Hypertext Markup Language, version 4.01. Available at:

(See http://www.w3.org/TR/1999/REC-html401-19991224/.)

XML Schema Language: Part 2 Primer

World Wide Web Consortium. XML Schema Language: Part 2 Primer. Available at:

(See http://www.w3.org/TR/2001/REC-xmlschema-0-20010502/.)

Unicode Regular Expression Guidelines

Mark Davis. Unicode Regular Expression Guidelines, 1988. Available at:

(See http://www.unicode.org/unicode/reports/tr18/.)

Perl

The Perl Programming Language. See

(See http://www.perl.com/pub/language/info/software.html.)

SQL

ISO (International Organization for Standardization). ISO/IEC 9075-2:1999, Information technology --- Database languages --- SQL --- Part 2: Foundation (SQL/Foundation). [Geneva]: International Organization for Standardization, 1999. See

(See http://www.iso.ch/cate/d26197.html.)

International Earth Rotation Service (IERS)

International Earth Rotation Service (IERS). See

(See http://maia.usno.navy.mil.)

ISO 8601

ISO (International Organization for Standardization). Representations of dates and times, 1988-06-15. Available at:

(See http://www.iso.ch/markete/8601.pdf.)

ISO 8601 Draft Revision

ISO (International Organization for Standardization). Representations of dates and times, draft revision, 2000.

ISO 11404

ISO (International Organization for Standardization). Language-independent Datatypes. See

(See http://www.iso.ch/cate/d19346.html.)

RDF Schema

World Wide Web Consortium. RDF Schema Specification. Available at:

(See http://www.w3.org/TR/2000/CR-rdf-schema-20000327/.)

U.S. Naval Observatory Time Service Department

Information about Leap Seconds Available at:

(See http://tycho.usno.navy.mil/leapsec.990505.html.)

XSL

World Wide Web Consortium. Extensible Stylesheet Language (XSL). Available at:

(See http://www.w3.org/TR/2000/CR-xsl-20001121/.)

Character Model

Martin J. Dürst and François Yergeau, eds. Character Model for the World Wide Web. World Wide Web Consortium Working Draft. 2001. Available at:

(See http://www.w3.org/TR/2001/WD-charmod-20010126/.)

Gay, DM (1990)

David M. Gay. Correctly Rounded Binary-Decimal and Decimal-Binary Conversions. AT&T Bell Laboratories Numerical Analysis Manuscript 90-10, November 1990. Available at:

(See http://cm.bell-labs.com/cm/cs/doc/90/4-10.ps.gz.)

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