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Darwin Information Typing Architecture (DITA) Version 1.3 Part 2: Technical Content Edition

OASIS Standard

17 December 2015

Specification URIs

This version:

http://docs.oasis-open.org/dita/dita/v1.3/os/part2-tech-content/dita-v1.3-os-part2-tech-content.html (Authoritative version)

http://docs.oasis-open.org/dita/dita/v1.3/os/part2-tech-content/dita-v1.3-os-part2-tech-content.pdf

Previous version:

http://docs.oasis-open.org/dita/dita/v1.3/cos01/part2-tech-content/dita-v1.3-cos01-part2-tech-content.html (Authoritative version)

http://docs.oasis-open.org/dita/dita/v1.3/cos01/part2-tech-content/dita-v1.3-cos01-part2-tech-content.pdf

Latest version:

http://docs.oasis-open.org/dita/dita/v1.3/dita-v1.3-part2-tech-content.html (Authoritative version)

http://docs.oasis-open.org/dita/dita/v1.3/dita-v1.3-part2-tech-content.pdf

Technical Committee:

OASIS Darwin Information Typing Architecture (DITA) TC

Chair:

Kristen James Eberlein (kris@eberleinconsulting.com), Eberlein Consulting LLC

Editors:

Robert D. Anderson (robander@us.ibm.com), IBM

Kristen James Eberlein (kris@eberleinconsulting.com), Eberlein Consulting LLC

Additional artifacts:

This prose specification is one component of a work product that also includes:

For more information about the editions and what they contain, see Editions.

Abstract:

The Darwin Information Typing Architecture (DITA) 1.3 specification defines both a) a set of document types for authoring and organizing topic-oriented information; and b) a set of mechanisms for combining, extending, and constraining document types.

Status:

This document was last revised or approved by the OASIS Darwin Information Typing Architecture (DITA) TC on the above date. The level of approval is also listed above. Check the “Latest version” location noted above for possible later revisions of this document. Any other numbered Versions and other technical work produced by the Technical Committee (TC) are listed at https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=dita#technical.

TC members should send comments on this specification to the TC’s email list. Others should send comments to the TC’s public comment list, after subscribing to it by following the instructions at the “Send A Comment” button on the TC’s web page at https://www.oasis-open.org/committees/comments/index.php?wg_abbrev=dita.

For information on whether any patents have been disclosed that may be essential to implementing this specification, and any offers of patent licensing terms, please refer to the Intellectual Property Rights section of the TC’s web page (https://www.oasis-open.org/committees/dita/ipr.php).

Citation format:

When referencing this specification the following citation format should be used:

[DITA-v1.3-part2-tech-content]
Darwin Information Typing Architecture (DITA) Version 1.3 Part 2: Technical Content Edition. Edited by Robert D. Anderson and Kristen James Eberlein. 17 December 2015. OASIS Standard. http://docs.oasis-open.org/dita/dita/v1.3/os/part2-tech-content/dita-v1.3-os-part2-tech-content.html. Latest version: http://docs.oasis-open.org/dita/dita/v1.3/dita-v1.3-part2-tech-content.html.

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Table of Contents

1 Introduction to DITA 1.3

   1.1 About the DITA specification: Technical content edition

   1.2 Terminology

   1.3 Normative references

   1.4 Non-normative references

   1.5 Formatting conventions in the XHTML version of the specification

2 Architectural specification: Technical content edition

   2.1 Introduction to DITA

      2.1.1 DITA terminology and notation

      2.1.2 Basic concepts

      2.1.3 File extensions

      2.1.4 Producing different deliverables from a single source

   2.2 DITA markup

      2.2.1 DITA topics

         2.2.1.1 The topic as the basic unit of information

         2.2.1.2 The benefits of a topic-based architecture

         2.2.1.3 Disciplined, topic-oriented writing

         2.2.1.4 Information typing

         2.2.1.5 Generic topics

         2.2.1.6 Topic structure

         2.2.1.7 Topic content

      2.2.2 DITA maps

         2.2.2.1 Definition of DITA maps

         2.2.2.2 Purpose of DITA maps

         2.2.2.3 DITA map elements

         2.2.2.4 DITA map attributes

         2.2.2.5 Examples of DITA maps

            2.2.2.5.1 Example: DITA map that references a subordinate map

            2.2.2.5.2 Example: DITA map with a simple relationship table

            2.2.2.5.3 Example: How the collection-type and linking attributes determine links

            2.2.2.5.4 Example: How the cascade attribute functions

      2.2.3 Subject scheme maps and their usage

         2.2.3.1 Subject scheme maps

         2.2.3.2 Defining controlled values for attributes

         2.2.3.3 Binding controlled values to an attribute

         2.2.3.4 Processing controlled attribute values

         2.2.3.5 Extending subject schemes

         2.2.3.6 Scaling a list of controlled values to define a taxonomy

         2.2.3.7 Classification maps

         2.2.3.8 Examples of subject scheme maps

            2.2.3.8.1 Example: How hierarchies defined in a subject scheme map affect filtering

            2.2.3.8.2 Example: Extending a subject scheme

            2.2.3.8.3 Example: Extending a subject scheme upwards

            2.2.3.8.4 Example: Defining values for deliveryTarget

      2.2.4 DITA metadata

         2.2.4.1 Metadata elements

         2.2.4.2 Metadata attributes

            2.2.4.2.1 Conditional processing attributes

            2.2.4.2.2 Translation and localization attributes

            2.2.4.2.3 Architectural attributes

         2.2.4.3 Metadata in maps and topics

         2.2.4.4 Cascading of metadata attributes in a DITA map

         2.2.4.5 Reconciling topic and map metadata elements

         2.2.4.6 Map-to-map cascading behaviors

            2.2.4.6.1 Cascading of attributes from map to map

            2.2.4.6.2 Cascading of metadata elements from map to map

            2.2.4.6.3 Cascading of roles from map to map

         2.2.4.7 Context hooks and window metadata for user assistance

   2.3 DITA addressing

      2.3.1 ID attribute

      2.3.2 DITA linking

      2.3.3 URI-based (direct) addressing

      2.3.4 Indirect key-based addressing

         2.3.4.1 Core concepts for working with keys

         2.3.4.2 Key scopes

         2.3.4.3 Using keys for addressing

         2.3.4.4 Addressing keys across scopes

         2.3.4.5 Cross-deliverable addressing and linking

         2.3.4.6 Processing key references

         2.3.4.7 Processing key references for navigation links and images

         2.3.4.8 Processing key references on topicref elements

         2.3.4.9 Processing key references to generate text or link text

         2.3.4.10 Examples of keys

            2.3.4.10.1 Examples: Key definition

            2.3.4.10.2 Examples: Key definitions for variable text

            2.3.4.10.3 Example: Scoped key definitions for variable text

            2.3.4.10.4 Example: Duplicate key definitions within a single map

            2.3.4.10.5 Example: Duplicate key definitions across multiple maps

            2.3.4.10.6 Example: Key definition with key reference

            2.3.4.10.7 Example: References to scoped keys

            2.3.4.10.8 Example: Key definitions in nested key scopes

            2.3.4.10.9 Example: Link redirection

            2.3.4.10.10 Example: Link modification or removal

            2.3.4.10.11 Example: Links from term or keyword elements

            2.3.4.10.12 Example: conref redirection

            2.3.4.10.13 Example: Key scopes and omnibus publications

            2.3.4.10.14 Example: How key scopes affect key precedence

            2.3.4.10.15 Example: Keys and collaboration

   2.4 DITA processing

      2.4.1 Navigation

         2.4.1.1 Table of contents

         2.4.1.2 Indexes

      2.4.2 Content reference (conref)

         2.4.2.1 Conref overview

         2.4.2.2 Processing conrefs

         2.4.2.3 Processing attributes when resolving conrefs

         2.4.2.4 Processing xrefs and conrefs within a conref

      2.4.3 Conditional processing (profiling)

         2.4.3.1 Conditional processing values and groups

         2.4.3.2 Filtering

         2.4.3.3 Flagging

         2.4.3.4 Conditional processing to generate multiple deliverable types

         2.4.3.5 Examples of conditional processing

            2.4.3.5.1 Example: Setting conditional processing values and groups

            2.4.3.5.2 Example: Filtering and flagging topic content

      2.4.4 Branch filtering

         2.4.4.1 Overview of branch filtering

         2.4.4.2 Branch filtering: Single condition set for a branch

         2.4.4.3 Branch filtering: Multiple condition sets for a branch

         2.4.4.4 Branch filtering: Impact on resource and key names

         2.4.4.5 Branch filtering: Implications of processing order

         2.4.4.6 Examples of branch filtering

            2.4.4.6.1 Example: Single ditavalref on a branch

            2.4.4.6.2 Example: Multiple ditavalref elements on a branch

            2.4.4.6.3 Example: Single ditavalref as a child of map

            2.4.4.6.4 Example: Single ditavalref in a reference to a map

            2.4.4.6.5 Example: Multiple ditavalref elements as children of map in a root map

            2.4.4.6.6 Example: Multiple ditavalref elements in a reference to a map

            2.4.4.6.7 Example: ditavalref within a branch that already uses ditavalref

            2.4.4.6.8 Example: ditavalref error conditions

      2.4.5 Chunking

         2.4.5.1 Using the chunk attribute

         2.4.5.2 Chunking examples

      2.4.6 Translation and localization

         2.4.6.1 The xml:lang attribute

         2.4.6.2 The dir attribute

      2.4.7 Processing documents with different values of the domains attribute

      2.4.8 Sorting

   2.5 Configuration, specialization, generalization, and constraints

      2.5.1 Overview of DITA extension facilities

      2.5.2 Configuration

         2.5.2.1 Overview of document-type shells

         2.5.2.2 Rules for document-type shells

         2.5.2.3 Equivalence of document-type shells

         2.5.2.4 Conformance of document-type shells

      2.5.3 Specialization

         2.5.3.1 Overview of specialization

         2.5.3.2 Modularization

         2.5.3.3 Vocabulary modules

         2.5.3.4 Specialization rules for element types

         2.5.3.5 Specialization rules for attributes

         2.5.3.6 class attribute rules and syntax

         2.5.3.7 domains attribute rules and syntax

         2.5.3.8 Specializing to include non-DITA content

         2.5.3.9 Sharing elements across specializations

      2.5.4 Generalization

         2.5.4.1 Overview of generalization

         2.5.4.2 Element generalization

         2.5.4.3 Processor expectations when generalizing elements

         2.5.4.4 Attribute generalization

         2.5.4.5 Generalization with cross-specialization dependencies

      2.5.5 Constraints

         2.5.5.1 Overview of constraints

         2.5.5.2 Constraint rules

         2.5.5.3 Constraints, processing, and interoperability

         2.5.5.4 Weak and strong constraints

         2.5.5.5 Conref compatibility with constraints

         2.5.5.6 Examples: Constraints

            2.5.5.6.1 Example: Redefine the content model for the topic element

            2.5.5.6.2 Example: Constrain attributes for the section element

            2.5.5.6.3 Example: Constrain a domain module

            2.5.5.6.4 Example: Replace a base element with the domain extensions

            2.5.5.6.5 Example: Apply multiple constraints to a single document-type shell

   2.6 Coding practices for DITA grammar files

      2.6.1 Recognized XML-document grammar mechanisms

      2.6.2 Normative versions of DITA grammar files

      2.6.3 DTD coding requirements

         2.6.3.1 DTD: Overview of coding requirements

         2.6.3.2 DTD: Coding requirements for document-type shells

         2.6.3.3 DTD: Coding requirements for element type declarations

         2.6.3.4 DTD: Coding requirements for structural modules

         2.6.3.5 DTD: Coding requirements for element domain modules

         2.6.3.6 DTD: Coding requirements for attribute domain modules

         2.6.3.7 DTD: Coding requirements for constraint modules

      2.6.4 RELAX NG coding requirements

         2.6.4.1 RELAX NG: Overview of coding requirements

         2.6.4.2 RELAX NG: Coding requirements for document-type shells

         2.6.4.3 RELAX NG: Coding requirements for element type declarations

         2.6.4.4 RELAX NG: Coding requirements for structural modules

         2.6.4.5 RELAX NG: Coding requirements for element domain modules

         2.6.4.6 RELAX NG: Coding requirements for attribute domain modules

         2.6.4.7 RELAX NG: Coding requirements for constraint modules

      2.6.5 XML Schema coding requirements

         2.6.5.1 XML Schema: Overview and limitations of coding requirements

         2.6.5.2 XML Schema: Coding requirements for document-type shells

         2.6.5.3 XML Schema: Coding requirements for element type declarations

         2.6.5.4 XML Schema: Coding requirements for structural modules

         2.6.5.5 XML Schema: Coding requirements for attribute domain modules

         2.6.5.6 XML Schema: Coding requirements for constraint modules

   2.7 Technical content specializations

      2.7.1 Technical content: Document types

         2.7.1.1 Concept topic

         2.7.1.2 Reference topic

         2.7.1.3 General task topic

         2.7.1.4 Task topic (strict task)

         2.7.1.5 Machinery Task topic

         2.7.1.6 Troubleshooting topic

         2.7.1.7 Glossary entry topic

         2.7.1.8 Glossary group topic

         2.7.1.9 Bookmap

      2.7.2 Technical content domains

         2.7.2.1 The xNAL domain

         2.7.2.2 xNAL usage guidelines

         2.7.2.3 MathML and equation domains

         2.7.2.4 Release management domain

      2.7.3 Troubleshooting information

3 Language reference: Technical content edition

   3.1 Element quick reference

      3.1.1 Base DITA elements, A to Z

      3.1.2 Technical content elements, A to Z

   3.2 Topic elements

      3.2.1 Basic topic elements

         3.2.1.1 topic

         3.2.1.2 title

         3.2.1.3 titlealts

         3.2.1.4 searchtitle

         3.2.1.5 navtitle

         3.2.1.6 shortdesc

         3.2.1.7 abstract

         3.2.1.8 body

         3.2.1.9 bodydiv

         3.2.1.10 related-links

         3.2.1.11 dita

      3.2.2 Body elements

         3.2.2.1 alt

         3.2.2.2 cite

         3.2.2.3 dd

         3.2.2.4 desc

         3.2.2.5 ddhd

         3.2.2.6 div

         3.2.2.7 dl

         3.2.2.8 dlentry

         3.2.2.9 dlhead

         3.2.2.10 dt

         3.2.2.11 draft-comment

         3.2.2.12 dthd

         3.2.2.13 example

         3.2.2.14 fig

         3.2.2.15 figgroup

         3.2.2.16 fn

         3.2.2.17 image

         3.2.2.18 keyword

         3.2.2.19 li

         3.2.2.20 lines

         3.2.2.21 longdescref

         3.2.2.22 longquoteref

         3.2.2.23 lq

         3.2.2.24 note

         3.2.2.25 object

         3.2.2.26 ol

         3.2.2.27 p

         3.2.2.28 param

         3.2.2.29 ph

         3.2.2.30 pre

         3.2.2.31 q

         3.2.2.32 section

         3.2.2.33 sectiondiv

         3.2.2.34 sl

         3.2.2.35 sli

         3.2.2.36 term

         3.2.2.37 text

         3.2.2.38 tm

         3.2.2.39 ul

         3.2.2.40 xref

      3.2.3 Table elements

         3.2.3.1 table

         3.2.3.2 tgroup

         3.2.3.3 colspec

         3.2.3.4 thead

         3.2.3.5 tbody

         3.2.3.6 row

         3.2.3.7 entry

         3.2.3.8 simpletable

         3.2.3.9 sthead

         3.2.3.10 strow

         3.2.3.11 stentry

      3.2.4 Related links elements

         3.2.4.1 link

         3.2.4.2 linklist

         3.2.4.3 linkpool

         3.2.4.4 linktext

         3.2.4.5 linkinfo

   3.3 Map elements

      3.3.1 Basic map elements

         3.3.1.1 map

         3.3.1.2 topicref

         3.3.1.3 topicmeta

         3.3.1.4 anchor

         3.3.1.5 navref

         3.3.1.6 reltable

         3.3.1.7 relrow

         3.3.1.8 relcell

         3.3.1.9 relheader

         3.3.1.10 relcolspec

         3.3.1.11 ux-window

      3.3.2 Map group elements

         3.3.2.1 anchorref

         3.3.2.2 keydef

         3.3.2.3 mapref

         3.3.2.4 topicgroup

         3.3.2.5 topichead

         3.3.2.6 topicset

         3.3.2.7 topicsetref

   3.4 Metadata elements

      3.4.1 Prolog (metadata) elements

         3.4.1.1 prolog

         3.4.1.2 audience

         3.4.1.3 author

         3.4.1.4 brand

         3.4.1.5 category

         3.4.1.6 component

         3.4.1.7 copyright

         3.4.1.8 copyrholder

         3.4.1.9 copyryear

         3.4.1.10 created

         3.4.1.11 critdates

         3.4.1.12 featnum

         3.4.1.13 keywords

         3.4.1.14 metadata

         3.4.1.15 othermeta

         3.4.1.16 permissions

         3.4.1.17 platform

         3.4.1.18 prodinfo

         3.4.1.19 prodname

         3.4.1.20 prognum

         3.4.1.21 publisher

         3.4.1.22 resourceid

         3.4.1.23 revised

         3.4.1.24 series

         3.4.1.25 source

         3.4.1.26 vrmlist

         3.4.1.27 vrm

      3.4.2 Indexing group elements

         3.4.2.1 indexterm

         3.4.2.2 indextermref

         3.4.2.3 index-see

         3.4.2.4 index-see-also

         3.4.2.5 index-sort-as

      3.4.3 Delayed conref resolution elements

         3.4.3.1 exportanchors

         3.4.3.2 anchorid

         3.4.3.3 anchorkey

   3.5 Domain elements

      3.5.1 Hazard statement elements

         3.5.1.1 hazardstatement

         3.5.1.2 consequence

         3.5.1.3 hazardsymbol

         3.5.1.4 howtoavoid

         3.5.1.5 messagepanel

         3.5.1.6 typeofhazard

      3.5.2 Highlighting elements

         3.5.2.1 b

         3.5.2.2 i

         3.5.2.3 sup

         3.5.2.4 sub

         3.5.2.5 tt

         3.5.2.6 u

         3.5.2.7 line-through

         3.5.2.8 overline

      3.5.3 Utilities elements

         3.5.3.1 area

         3.5.3.2 coords

         3.5.3.3 imagemap

         3.5.3.4 shape

         3.5.3.5 sort-as

      3.5.4 DITAVAL reference domain

         3.5.4.1 ditavalref

         3.5.4.2 ditavalmeta

         3.5.4.3 dvrResourcePrefix

         3.5.4.4 dvrResourceSuffix

         3.5.4.5 dvrKeyscopePrefix

         3.5.4.6 dvrKeyscopeSuffix

   3.6 Classification elements

      3.6.1 Subject scheme elements

         3.6.1.1 subjectScheme

         3.6.1.2 schemeref

         3.6.1.3 hasInstance

         3.6.1.4 hasKind

         3.6.1.5 hasNarrower

         3.6.1.6 hasPart

         3.6.1.7 hasRelated

         3.6.1.8 enumerationdef

         3.6.1.9 elementdef

         3.6.1.10 attributedef

         3.6.1.11 defaultSubject

         3.6.1.12 subjectHead

         3.6.1.13 subjectHeadMeta

         3.6.1.14 subjectdef

         3.6.1.15 relatedSubjects

         3.6.1.16 subjectRelTable

         3.6.1.17 subjectRelHeader

         3.6.1.18 subjectRel

         3.6.1.19 subjectRole

      3.6.2 Classification domain elements

         3.6.2.1 subjectref

         3.6.2.2 topicapply

         3.6.2.3 topicsubject

         3.6.2.4 topicSubjectTable

         3.6.2.5 topicSubjectHeader

         3.6.2.6 topicSubjectRow

         3.6.2.7 topicCell

         3.6.2.8 subjectCell

   3.7 Specialization elements

      3.7.1 boolean

      3.7.2 data

      3.7.3 data-about

      3.7.4 foreign

      3.7.5 index-base

      3.7.6 itemgroup

      3.7.7 no-topic-nesting

      3.7.8 state

      3.7.9 unknown

   3.8 Legacy conversion elements

      3.8.1 required-cleanup

   3.9 DITAVAL elements

      3.9.1 val

      3.9.2 style-conflict

      3.9.3 prop

      3.9.4 revprop

      3.9.5 startflag

      3.9.6 endflag

      3.9.7 alt-text

   3.10 Concept elements

      3.10.1 concept

      3.10.2 conbody

      3.10.3 conbodydiv

   3.11 Task elements

      3.11.1 task

      3.11.2 taskbody

      3.11.3 prereq

      3.11.4 context

      3.11.5 steps

      3.11.6 steps-informal

      3.11.7 steps-unordered

      3.11.8 step

      3.11.9 stepsection

      3.11.10 cmd

      3.11.11 info

      3.11.12 substeps

      3.11.13 substep

      3.11.14 stepxmp

      3.11.15 choicetable

      3.11.16 chhead

      3.11.17 choptionhd

      3.11.18 chdeschd

      3.11.19 chrow

      3.11.20 choption

      3.11.21 chdesc

      3.11.22 choices

      3.11.23 choice

      3.11.24 steptroubleshooting

      3.11.25 stepresult

      3.11.26 tutorialinfo

      3.11.27 tasktroubleshooting

      3.11.28 result

      3.11.29 postreq

   3.12 Reference elements

      3.12.1 reference

      3.12.2 refbody

      3.12.3 refbodydiv

      3.12.4 refsyn

      3.12.5 properties

      3.12.6 prophead

      3.12.7 proptypehd

      3.12.8 propvaluehd

      3.12.9 propdeschd

      3.12.10 property

      3.12.11 proptype

      3.12.12 propvalue

      3.12.13 propdesc

   3.13 Troubleshooting elements

      3.13.1 troubleshooting

      3.13.2 troublebody

      3.13.3 condition

      3.13.4 troubleSolution

      3.13.5 cause

      3.13.6 remedy

      3.13.7 responsibleParty

   3.14 Glossary elements

      3.14.1 Glossentry elements

         3.14.1.1 glossentry

         3.14.1.2 glossterm

         3.14.1.3 glossdef

         3.14.1.4 glossAbbreviation

         3.14.1.5 glossAcronym

         3.14.1.6 glossAlt

         3.14.1.7 glossAlternateFor

         3.14.1.8 glossBody

         3.14.1.9 glossPartOfSpeech

         3.14.1.10 glossProperty

         3.14.1.11 glossScopeNote

         3.14.1.12 glossShortForm

         3.14.1.13 glossStatus

         3.14.1.14 glossSurfaceForm

         3.14.1.15 glossSymbol

         3.14.1.16 glossSynonym

         3.14.1.17 glossUsage

      3.14.2 Glossary related elements

         3.14.2.1 abbreviated-form

         3.14.2.2 glossref

         3.14.2.3 glossgroup

   3.15 Bookmap elements

      3.15.1 Bookmap content elements

         3.15.1.1 bookmap

         3.15.1.2 abbrevlist

         3.15.1.3 amendments

         3.15.1.4 appendices

         3.15.1.5 appendix

         3.15.1.6 backmatter

         3.15.1.7 bibliolist

         3.15.1.8 bookabstract

         3.15.1.9 booklibrary

         3.15.1.10 booklist

         3.15.1.11 booklists

         3.15.1.12 booktitle

         3.15.1.13 booktitlealt

         3.15.1.14 chapter

         3.15.1.15 colophon

         3.15.1.16 dedication

         3.15.1.17 draftintro

         3.15.1.18 figurelist

         3.15.1.19 frontmatter

         3.15.1.20 glossarylist

         3.15.1.21 indexlist

         3.15.1.22 mainbooktitle

         3.15.1.23 notices

         3.15.1.24 part

         3.15.1.25 preface

         3.15.1.26 tablelist

         3.15.1.27 toc

         3.15.1.28 trademarklist

      3.15.2 Bookmap metadata elements

         3.15.2.1 bookmeta

         3.15.2.2 approved

         3.15.2.3 bookchangehistory

         3.15.2.4 bookevent

         3.15.2.5 bookeventtype

         3.15.2.6 bookid

         3.15.2.7 booknumber

         3.15.2.8 bookowner

         3.15.2.9 bookpartno

         3.15.2.10 bookrestriction

         3.15.2.11 bookrights

         3.15.2.12 completed

         3.15.2.13 copyrfirst

         3.15.2.14 copyrlast

         3.15.2.15 day

         3.15.2.16 edited

         3.15.2.17 edition

         3.15.2.18 isbn

         3.15.2.19 maintainer

         3.15.2.20 month

         3.15.2.21 organization

         3.15.2.22 person

         3.15.2.23 printlocation

         3.15.2.24 published

         3.15.2.25 publisherinformation

         3.15.2.26 publishtype

         3.15.2.27 reviewed

         3.15.2.28 revisionid

         3.15.2.29 started

         3.15.2.30 summary

         3.15.2.31 tested

         3.15.2.32 volume

         3.15.2.33 year

   3.16 Technical-content domains elements

      3.16.1 Equation domain elements

         3.16.1.1 equation-block

         3.16.1.2 equation-figure

         3.16.1.3 equation-inline

         3.16.1.4 equation-number

      3.16.2 Markup domain

         3.16.2.1 markupname

      3.16.3 MathML domain elements

         3.16.3.1 mathml

         3.16.3.2 mathmlref

      3.16.4 Programming elements

         3.16.4.1 apiname

         3.16.4.2 codeblock

         3.16.4.3 codeph

         3.16.4.4 coderef

         3.16.4.5 option

         3.16.4.6 parmname

         3.16.4.7 parml

         3.16.4.8 plentry

         3.16.4.9 pt

         3.16.4.10 pd

         3.16.4.11 synph

         3.16.4.12 syntaxdiagram

         3.16.4.13 groupseq

         3.16.4.14 groupchoice

         3.16.4.15 groupcomp

         3.16.4.16 fragment

         3.16.4.17 fragref

         3.16.4.18 synblk

         3.16.4.19 synnote

         3.16.4.20 synnoteref

         3.16.4.21 kwd

         3.16.4.22 var

         3.16.4.23 oper

         3.16.4.24 delim

         3.16.4.25 sep

         3.16.4.26 repsep

      3.16.5 Release-management domain elements

         3.16.5.1 change-completed

         3.16.5.2 change-historylist

         3.16.5.3 change-item

         3.16.5.4 change-organization

         3.16.5.5 change-person

         3.16.5.6 change-request-id

         3.16.5.7 change-request-reference

         3.16.5.8 change-request-system

         3.16.5.9 change-revisionid

         3.16.5.10 change-started

         3.16.5.11 change-summary

      3.16.6 Software elements

         3.16.6.1 msgph

         3.16.6.2 msgblock

         3.16.6.3 msgnum

         3.16.6.4 cmdname

         3.16.6.5 varname

         3.16.6.6 filepath

         3.16.6.7 userinput

         3.16.6.8 systemoutput

      3.16.7 SVG elements

         3.16.7.1 svg-container

         3.16.7.2 svgref

      3.16.8 Task requirements domain

         3.16.8.1 prelreqs

         3.16.8.2 closereqs

         3.16.8.3 reqconds

         3.16.8.4 reqcond

         3.16.8.5 noconds

         3.16.8.6 reqcontp

         3.16.8.7 reqpers

         3.16.8.8 personnel

         3.16.8.9 perscat

         3.16.8.10 perskill

         3.16.8.11 esttime

         3.16.8.12 supeqli

         3.16.8.13 supequi

         3.16.8.14 supequip

         3.16.8.15 nosupeq

         3.16.8.16 supplies

         3.16.8.17 supply

         3.16.8.18 supplyli

         3.16.8.19 nosupply

         3.16.8.20 spare

         3.16.8.21 spares

         3.16.8.22 sparesli

         3.16.8.23 nospares

         3.16.8.24 nosafety

         3.16.8.25 safecond

         3.16.8.26 safety

      3.16.9 User interface elements

         3.16.9.1 uicontrol

         3.16.9.2 wintitle

         3.16.9.3 menucascade

         3.16.9.4 shortcut

         3.16.9.5 screen

      3.16.10 XML mention domain

         3.16.10.1 numcharref

         3.16.10.2 parameterentity

         3.16.10.3 textentity

         3.16.10.4 xmlatt

         3.16.10.5 xmlelement

         3.16.10.6 xmlnsname

         3.16.10.7 xmlpi

      3.16.11 xNAL domain elements

         3.16.11.1 authorinformation

         3.16.11.2 addressdetails

         3.16.11.3 administrativearea

         3.16.11.4 contactnumber

         3.16.11.5 contactnumbers

         3.16.11.6 country

         3.16.11.7 emailaddress

         3.16.11.8 emailaddresses

         3.16.11.9 firstname

         3.16.11.10 generationidentifier

         3.16.11.11 honorific

         3.16.11.12 lastname

         3.16.11.13 locality

         3.16.11.14 localityname

         3.16.11.15 middlename

         3.16.11.16 namedetails

         3.16.11.17 organizationinfo

         3.16.11.18 organizationname

         3.16.11.19 organizationnamedetails

         3.16.11.20 otherinfo

         3.16.11.21 personinfo

         3.16.11.22 personname

         3.16.11.23 postalcode

         3.16.11.24 thoroughfare

         3.16.11.25 url

         3.16.11.26 urls

   3.17 Attributes

      3.17.1 Universal attribute group

         3.17.1.1 ID attribute group

         3.17.1.2 Metadata attribute group

         3.17.1.3 Localization attribute group

         3.17.1.4 Debug attribute group

      3.17.2 Architectural attribute group

      3.17.3 Attributes common to many map elements

      3.17.4 Complex-table attribute group

      3.17.5 Data element attributes group

      3.17.6 Date attributes group

      3.17.7 Display attribute group

      3.17.8 Link relationship attribute group

      3.17.9 Other common attributes

      3.17.10 Simpletable attribute group

      3.17.11 Specialization attributes group

      3.17.12 Topicref element attributes group

      3.17.13 Complex attribute definitions

         3.17.13.1 The href attribute

         3.17.13.2 The keys attribute

         3.17.13.3 The keyref attribute

         3.17.13.4 The keyscope attribute

         3.17.13.5 The conref attribute

            3.17.13.5.1 Using the -dita-use-conref-target value

         3.17.13.6 The conaction attribute

         3.17.13.7 The conrefend attribute

         3.17.13.8 The conkeyref attribute

         3.17.13.9 The type attribute

         3.17.13.10 The format attribute

         3.17.13.11 The scope attribute

         3.17.13.12 The role and otherrole attributes

4 Conformance

Appendix A Acknowledgments

Appendix B Non-normative information

   B.1 About the specification source

   B.2 Changes from previous versions

      B.2.1 Changes from DITA 1.2 to DITA 1.3

      B.2.2 Changes from DITA 1.1 to DITA 1.2

      B.2.3 Changes from DITA 1.0 to DITA 1.1

   B.3 File naming conventions

   B.4 Migrating to new versions of DITA

      B.4.1 Migrating from DITA 1.2 to 1.3

      B.4.2 Migrating from DITA 1.1 to 1.2

   B.5 Considerations for generalizing foreign elements

   B.6 Element-by-element recommendations for translators: Technical content edition

   B.7 DTD public identifiers

   B.8 XML Schema catalog identifiers

   B.9 Domains and constraints in the OASIS specification

      B.9.1 Domains and constraints in the OASIS specification

      B.9.2 Base domains: Where they are used

      B.9.3 Technical content domains and constraints: Where they are used

      B.9.4 Base document types: Included domains

      B.9.5 Technical content document types: Included domains and constraints

   B.10 Processing interoperability considerations

   B.11 Specialization design, customization, and the limits of specialization

Appendix C Content models: Technical content edition

   C.1 A elements

   C.2 B elements

   C.3 C elements

   C.4 D elements

   C.5 E elements

   C.6 F elements

   C.7 G elements

   C.8 H elements

   C.9 I elements

   C.10 K elements

   C.11 L elements

   C.12 M elements

   C.13 N elements

   C.14 O elements

   C.15 P elements

   C.16 Q elements

   C.17 R elements

   C.18 S elements

   C.19 T elements

   C.20 U elements

   C.21 V elements

   C.22 W elements

   C.23 X elements

   C.24 Y elements