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Chapter 1: Introduction to DITA 1.3
- 1.1.1: About the DITA specification: All-inclusive edition
- 1.1.2: Terminology
- 1.1.3: Normative references
- 1.1.4: Non-normative references
- 1.1.5: Formatting conventions in the XHTML version of the specification
Chapter 2: Architectural specification: All-inclusive edition
- 2.2.1: Introduction to DITA
  - 2.2.1.1: DITA terminology and notation
  - 2.2.1.2: Basic concepts
  - 2.2.1.3: File extensions
  - 2.2.1.4: Producing different deliverables from a single source
- 2.2.2: DITA markup
  - 2.2.2.1: DITA topics
    - 2.2.2.1.1: The topic as the basic unit of information
    - 2.2.2.1.2: The benefits of a topic-based architecture
    - 2.2.2.1.3: Disciplined, topic-oriented writing
    - 2.2.2.1.4: Information typing
    - 2.2.2.1.5: Generic topics
    - 2.2.2.1.6: Topic structure
    - 2.2.2.1.7: Topic content
  - 2.2.2.2: DITA maps
    - 2.2.2.2.1: Definition of DITA maps
    - 2.2.2.2.2: Purpose of DITA maps
    - 2.2.2.2.3: DITA map elements
    - 2.2.2.2.4: DITA map attributes
    - 2.2.2.2.5: Examples of DITA maps
      - 2.2.2.2.5.1: Example: DITA map that references a subordinate map
      - 2.2.2.2.5.2: Example: DITA map with a simple relationship table
      - 2.2.2.2.5.3: Example: How the @collection-type and @linking attributes determine links
      - 2.2.2.2.5.4: Example: How the @cascade attribute functions
  - 2.2.2.3: Subject scheme maps and their usage
    - 2.2.2.3.1: Subject scheme maps
    - 2.2.2.3.2: Defining controlled values for attributes
    - 2.2.2.3.3: Binding controlled values to an attribute
    - 2.2.2.3.4: Processing controlled attribute values
    - 2.2.2.3.5: Extending subject schemes
    - 2.2.2.3.6: Scaling a list of controlled values to define a taxonomy
    - 2.2.2.3.7: Classification maps
    - 2.2.2.3.8: Examples of subject scheme maps
      - 2.2.2.3.8.1: Example: How hierarchies defined in a subject scheme map affect filtering
      - 2.2.2.3.8.2: Example: Extending a subject scheme
      - 2.2.2.3.8.3: Example: Extending a subject scheme upwards
      - 2.2.2.3.8.4: Example: Defining values for @deliveryTarget
  - 2.2.2.4: DITA metadata
    - 2.2.2.4.1: Metadata elements
    - 2.2.2.4.2: Metadata attributes
      - 2.2.2.4.2.1: Conditional processing attributes
      - 2.2.2.4.2.2: Translation and localization attributes
      - 2.2.2.4.2.3: Architectural attributes
    - 2.2.2.4.3: Metadata in maps and topics
    - 2.2.2.4.4: Cascading of metadata attributes in a DITA map
    - 2.2.2.4.5: Reconciling topic and map metadata elements
    - 2.2.2.4.6: Map-to-map cascading behaviors
      - 2.2.2.4.6.1: Cascading of attributes from map to map
      - 2.2.2.4.6.2: Cascading of metadata elements from map to map
      - 2.2.2.4.6.3: Cascading of roles from map to map
    - 2.2.2.4.7: Context hooks and window metadata for user assistance
- 2.2.3: DITA addressing
  - 2.2.3.1: ID attribute
  - 2.2.3.2: DITA linking
  - 2.2.3.3: URI-based (direct) addressing
  - 2.2.3.4: Indirect key-based addressing
    - 2.2.3.4.1: Core concepts for working with keys
    - 2.2.3.4.2: Key scopes
    - 2.2.3.4.3: Using keys for addressing
    - 2.2.3.4.4: Addressing keys across scopes
    - 2.2.3.4.5: Cross-deliverable addressing and linking
    - 2.2.3.4.6: Processing key references
    - 2.2.3.4.7: Processing key references for navigation links and images
    - 2.2.3.4.8: Processing key references on <topicref> elements
    - 2.2.3.4.9: Processing key references to generate text or link text
    - 2.2.3.4.10: Examples of keys
      - 2.2.3.4.10.1: Examples: Key definition
      - 2.2.3.4.10.2: Examples: Key definitions for variable text
      - 2.2.3.4.10.3: Example: Scoped key definitions for variable text
      - 2.2.3.4.10.4: Example: Duplicate key definitions within a single map
      - 2.2.3.4.10.5: Example: Duplicate key definitions across multiple maps
      - 2.2.3.4.10.6: Example: Key definition with key reference
      - 2.2.3.4.10.7: Example: References to scoped keys
      - 2.2.3.4.10.8: Example: Key definitions in nested key scopes
      - 2.2.3.4.10.9: Example: Link redirection
      - 2.2.3.4.10.10: Example: Link modification or removal
      - 2.2.3.4.10.11: Example: Links from <term> or <keyword> elements
      - 2.2.3.4.10.12: Example: conref redirection
      - 2.2.3.4.10.13: Example: Key scopes and omnibus publications
      - 2.2.3.4.10.14: Example: How key scopes affect key precedence
      - 2.2.3.4.10.15: Example: Keys and collaboration
- 2.2.4: DITA processing
  - 2.2.4.1: Navigation
    - 2.2.4.1.1: Table of contents
    - 2.2.4.1.2: Indexes
  - 2.2.4.2: Content reference (conref)
    - 2.2.4.2.1: Conref overview
    - 2.2.4.2.2: Processing conrefs
    - 2.2.4.2.3: Processing attributes when resolving conrefs
    - 2.2.4.2.4: Processing xrefs and conrefs within a conref
  - 2.2.4.3: Conditional processing (profiling)
    - 2.2.4.3.1: Conditional processing values and groups
    - 2.2.4.3.2: Filtering
    - 2.2.4.3.3: Flagging
    - 2.2.4.3.4: Conditional processing to generate multiple deliverable types
    - 2.2.4.3.5: Examples of conditional processing
      - 2.2.4.3.5.1: Example: Setting conditional processing values and groups
      - 2.2.4.3.5.2: Example: Filtering and flagging topic content
  - 2.2.4.4: Branch filtering
    - 2.2.4.4.1: Overview of branch filtering
    - 2.2.4.4.2: Branch filtering: Single condition set for a branch
    - 2.2.4.4.3: Branch filtering: Multiple condition sets for a branch
    - 2.2.4.4.4: Branch filtering: Impact on resource and key names
    - 2.2.4.4.5: Branch filtering: Implications of processing order
    - 2.2.4.4.6: Examples of branch filtering
      - 2.2.4.4.6.1: Example: Single <ditavalref> on a branch
      - 2.2.4.4.6.2: Example: Multiple <ditavalref> elements on a branch
      - 2.2.4.4.6.3: Example: Single <ditavalref> as a child of <map>
      - 2.2.4.4.6.4: Example: Single <ditavalref> in a reference to a map
      - 2.2.4.4.6.5: Example: Multiple <ditavalref> elements as children of <map> in a root map
      - 2.2.4.4.6.6: Example: Multiple <ditavalref> elements in a reference to a map
      - 2.2.4.4.6.7: Example: <ditavalref> within a branch that already uses <ditavalref>
      - 2.2.4.4.6.8: Example: <ditavalref> error conditions
  - 2.2.4.5: Chunking
    - 2.2.4.5.1: Using the @chunk attribute
    - 2.2.4.5.2: Chunking examples
  - 2.2.4.6: Translation and localization
    - 2.2.4.6.1: The @xml:lang attribute
    - 2.2.4.6.2: The @dir attribute
  - 2.2.4.7: Processing documents with different values of the @domains attribute
  - 2.2.4.8: Sorting
- 2.2.5: Configuration, specialization, generalization, and constraints
  - 2.2.5.1: Overview of DITA extension facilities
  - 2.2.5.2: Configuration
    - 2.2.5.2.1: Overview of document-type shells
    - 2.2.5.2.2: Rules for document-type shells
    - 2.2.5.2.3: Equivalence of document-type shells
    - 2.2.5.2.4: Conformance of document-type shells
  - 2.2.5.3: Specialization
    - 2.2.5.3.1: Overview of specialization
    - 2.2.5.3.2: Modularization
    - 2.2.5.3.3: Vocabulary modules
    - 2.2.5.3.4: Specialization rules for element types
    - 2.2.5.3.5: Specialization rules for attributes
    - 2.2.5.3.6: @class attribute rules and syntax
    - 2.2.5.3.7: @domains attribute rules and syntax
    - 2.2.5.3.8: Specializing to include non-DITA content
    - 2.2.5.3.9: Sharing elements across specializations
  - 2.2.5.4: Generalization
    - 2.2.5.4.1: Overview of generalization
    - 2.2.5.4.2: Element generalization
    - 2.2.5.4.3: Processor expectations when generalizing elements
    - 2.2.5.4.4: Attribute generalization
    - 2.2.5.4.5: Generalization with cross-specialization dependencies
  - 2.2.5.5: Constraints
    - 2.2.5.5.1: Overview of constraints
    - 2.2.5.5.2: Constraint rules
    - 2.2.5.5.3: Constraints, processing, and interoperability
    - 2.2.5.5.4: Weak and strong constraints
    - 2.2.5.5.5: Conref compatibility with constraints
    - 2.2.5.5.6: Examples: Constraints
      - 2.2.5.5.6.1: Example: Redefine the content model for the <topic> element
      - 2.2.5.5.6.2: Example: Constrain attributes for the <section> element
      - 2.2.5.5.6.3: Example: Constrain a domain module
      - 2.2.5.5.6.4: Example: Replace a base element with the domain extensions
      - 2.2.5.5.6.5: Example: Apply multiple constraints to a single document-type shell
- 2.2.6: Coding practices for DITA grammar files
  - 2.2.6.1: Recognized XML-document grammar mechanisms
  - 2.2.6.2: Normative versions of DITA grammar files
  - 2.2.6.3: DTD coding requirements
    - 2.2.6.3.1: DTD: Overview of coding requirements
    - 2.2.6.3.2: DTD: Coding requirements for document-type shells
    - 2.2.6.3.3: DTD: Coding requirements for element type declarations
    - 2.2.6.3.4: DTD: Coding requirements for structural modules
    - 2.2.6.3.5: DTD: Coding requirements for element domain modules
    - 2.2.6.3.6: DTD: Coding requirements for attribute domain modules
    - 2.2.6.3.7: DTD: Coding requirements for constraint modules
  - 2.2.6.4: RELAX NG coding requirements
    - 2.2.6.4.1: RELAX NG: Overview of coding requirements
    - 2.2.6.4.2: RELAX NG: Coding requirements for document-type shells
    - 2.2.6.4.3: RELAX NG: Coding requirements for element type declarations
    - 2.2.6.4.4: RELAX NG: Coding requirements for structural modules
    - 2.2.6.4.5: RELAX NG: Coding requirements for element domain modules
    - 2.2.6.4.6: RELAX NG: Coding requirements for attribute domain modules
    - 2.2.6.4.7: RELAX NG: Coding requirements for constraint modules
  - 2.2.6.5: XML Schema coding requirements
    - 2.2.6.5.1: XML Schema: Overview and limitations of coding requirements
    - 2.2.6.5.2: XML Schema: Coding requirements for document-type shells
    - 2.2.6.5.3: XML Schema: Coding requirements for element type declarations
    - 2.2.6.5.4: XML Schema: Coding requirements for structural modules
    - 2.2.6.5.5: XML Schema: Coding requirements for attribute domain modules
    - 2.2.6.5.6: XML Schema: Coding requirements for constraint modules
- 2.2.7: Technical content specializations
  - 2.2.7.1: Technical content: Document types
    - 2.2.7.1.1: Concept topic
    - 2.2.7.1.2: Reference topic
    - 2.2.7.1.3: General task topic
    - 2.2.7.1.4: Task topic (strict task)
    - 2.2.7.1.5: Machinery Task topic
    - 2.2.7.1.6: Troubleshooting topic
    - 2.2.7.1.7: Glossary entry topic
    - 2.2.7.1.8: Glossary group topic
    - 2.2.7.1.9: Bookmap
  - 2.2.7.2: Technical content domains
    - 2.2.7.2.1: The xNAL domain
    - 2.2.7.2.2: xNAL usage guidelines
    - 2.2.7.2.3: MathML and equation domains
    - 2.2.7.2.4: Release management domain
  - 2.2.7.3: Troubleshooting information
- 2.2.8: Learning and training specializations
  - 2.2.8.1: Overview
  - 2.2.8.2: Objectives of the DITA learning and training specializations
  - 2.2.8.3: A learning objects approach to learning and training content
  - 2.2.8.4: Use cases
  - 2.2.8.5: Summary of learning topic, map, and domain designs
  - 2.2.8.6: Support for learningDomain1 and learningDomain2
  - 2.2.8.7: Learning and training specialization usage
Chapter 3: Language reference: All-inclusive edition
- 3.3.1: Element quick reference
  - 3.3.1.1: Base DITA elements, A to Z
  - 3.3.1.2: Technical content elements, A to Z
  - 3.3.1.3: Learning and training elements, A to Z
  - 3.3.1.4: All DITA elements, A to Z
- 3.3.2: Topic elements
  - 3.3.2.1: Basic topic elements
    - 3.3.2.1.1: <topic>
    - 3.3.2.1.2: <title>
    - 3.3.2.1.3: <titlealts>
    - 3.3.2.1.4: <searchtitle>
    - 3.3.2.1.5: <navtitle>
    - 3.3.2.1.6: <shortdesc>
    - 3.3.2.1.7: <abstract>
    - 3.3.2.1.8: <body>
    - 3.3.2.1.9: <bodydiv>
    - 3.3.2.1.10: <related-links>
    - 3.3.2.1.11: <dita>
  - 3.3.2.2: Body elements
    - 3.3.2.2.1: <alt>
    - 3.3.2.2.2: <cite>
    - 3.3.2.2.3: <dd>
    - 3.3.2.2.4: <desc>
    - 3.3.2.2.5: <ddhd>
    - 3.3.2.2.6: <div>
    - 3.3.2.2.7: <dl>
    - 3.3.2.2.8: <dlentry>
    - 3.3.2.2.9: <dlhead>
    - 3.3.2.2.10: <dt>
    - 3.3.2.2.11: <draft-comment>
    - 3.3.2.2.12: <dthd>
    - 3.3.2.2.13: <example>
    - 3.3.2.2.14: <fig>
    - 3.3.2.2.15: <figgroup>
    - 3.3.2.2.16: <fn>
    - 3.3.2.2.17: <image>
    - 3.3.2.2.18: <keyword>
    - 3.3.2.2.19: <li>
    - 3.3.2.2.20: <lines>
    - 3.3.2.2.21: <longdescref>
    - 3.3.2.2.22: <longquoteref>
    - 3.3.2.2.23: <lq>
    - 3.3.2.2.24: <note>
    - 3.3.2.2.25: <object>
    - 3.3.2.2.26: <ol>
    - 3.3.2.2.27: <p>
    - 3.3.2.2.28: <param>
    - 3.3.2.2.29: <ph>
    - 3.3.2.2.30: <pre>
    - 3.3.2.2.31: <q>
    - 3.3.2.2.32: <section>
    - 3.3.2.2.33: <sectiondiv>
    - 3.3.2.2.34: <sl>
    - 3.3.2.2.35: <sli>
    - 3.3.2.2.36: <term>
    - 3.3.2.2.37: <text>
    - 3.3.2.2.38: <tm>
    - 3.3.2.2.39: <ul>
    - 3.3.2.2.40: <xref>
  - 3.3.2.3: Table elements
    - 3.3.2.3.1: <table>
    - 3.3.2.3.2: <tgroup>
    - 3.3.2.3.3: <colspec>
    - 3.3.2.3.4: <thead>
    - 3.3.2.3.5: <tbody>
    - 3.3.2.3.6: <row>
    - 3.3.2.3.7: <entry>
    - 3.3.2.3.8: <simpletable>
    - 3.3.2.3.9: <sthead>
    - 3.3.2.3.10: <strow>
    - 3.3.2.3.11: <stentry>
  - 3.3.2.4: Related links elements
    - 3.3.2.4.1: <link>
    - 3.3.2.4.2: <linklist>
    - 3.3.2.4.3: <linkpool>
    - 3.3.2.4.4: <linktext>
    - 3.3.2.4.5: <linkinfo>
- 3.3.3: Map elements
  - 3.3.3.1: Basic map elements
    - 3.3.3.1.1: <map>
    - 3.3.3.1.2: <topicref>
    - 3.3.3.1.3: <topicmeta>
    - 3.3.3.1.4: <anchor>
    - 3.3.3.1.5: <navref>
    - 3.3.3.1.6: <reltable>
    - 3.3.3.1.7: <relrow>
    - 3.3.3.1.8: <relcell>
    - 3.3.3.1.9: <relheader>
    - 3.3.3.1.10: <relcolspec>
    - 3.3.3.1.11: <ux-window>
  - 3.3.3.2: Map group elements
    - 3.3.3.2.1: <anchorref>
    - 3.3.3.2.2: <keydef>
    - 3.3.3.2.3: <mapref>
    - 3.3.3.2.4: <topicgroup>
    - 3.3.3.2.5: <topichead>
    - 3.3.3.2.6: <topicset>
    - 3.3.3.2.7: <topicsetref>
- 3.3.4: Metadata elements
  - 3.3.4.1: Prolog (metadata) elements
    - 3.3.4.1.1: <prolog>
    - 3.3.4.1.2: <audience>
    - 3.3.4.1.3: <author>
    - 3.3.4.1.4: <brand>
    - 3.3.4.1.5: <category>
    - 3.3.4.1.6: <component>
    - 3.3.4.1.7: <copyright>
    - 3.3.4.1.8: <copyrholder>
    - 3.3.4.1.9: <copyryear>
    - 3.3.4.1.10: <created>
    - 3.3.4.1.11: <critdates>
    - 3.3.4.1.12: <featnum>
    - 3.3.4.1.13: <keywords>
    - 3.3.4.1.14: <metadata>
    - 3.3.4.1.15: <othermeta>
    - 3.3.4.1.16: <permissions>
    - 3.3.4.1.17: <platform>
    - 3.3.4.1.18: <prodinfo>
    - 3.3.4.1.19: <prodname>
    - 3.3.4.1.20: <prognum>
    - 3.3.4.1.21: <publisher>
    - 3.3.4.1.22: <resourceid>
    - 3.3.4.1.23: <revised>
    - 3.3.4.1.24: <series>
    - 3.3.4.1.25: <source>
    - 3.3.4.1.26: <vrmlist>
    - 3.3.4.1.27: <vrm>
  - 3.3.4.2: Indexing group elements
    - 3.3.4.2.1: <indexterm>
    - 3.3.4.2.2: <indextermref>
    - 3.3.4.2.3: <index-see>
    - 3.3.4.2.4: <index-see-also>
    - 3.3.4.2.5: <index-sort-as>
  - 3.3.4.3: Delayed conref resolution elements
    - 3.3.4.3.1: <exportanchors>
    - 3.3.4.3.2: <anchorid>
    - 3.3.4.3.3: <anchorkey>
- 3.3.5: Domain elements
  - 3.3.5.1: Hazard statement elements
    - 3.3.5.1.1: <hazardstatement>
    - 3.3.5.1.2: <consequence>
    - 3.3.5.1.3: <hazardsymbol>
    - 3.3.5.1.4: <howtoavoid>
    - 3.3.5.1.5: <messagepanel>
    - 3.3.5.1.6: <typeofhazard>
  - 3.3.5.2: Highlighting elements
    - 3.3.5.2.1: <b>
    - 3.3.5.2.2: <i>
    - 3.3.5.2.3: <sup>
    - 3.3.5.2.4: <sub>
    - 3.3.5.2.5: <tt>
    - 3.3.5.2.6: <u>
    - 3.3.5.2.7: <line-through>
    - 3.3.5.2.8: <overline>
  - 3.3.5.3: Utilities elements
    - 3.3.5.3.1: <area>
    - 3.3.5.3.2: <coords>
    - 3.3.5.3.3: <imagemap>
    - 3.3.5.3.4: <shape>
    - 3.3.5.3.5: <sort-as>
  - 3.3.5.4: DITAVAL reference domain
    - 3.3.5.4.1: <ditavalref>
    - 3.3.5.4.2: <ditavalmeta>
    - 3.3.5.4.3: <dvrResourcePrefix>
    - 3.3.5.4.4: <dvrResourceSuffix>
    - 3.3.5.4.5: <dvrKeyscopePrefix>
    - 3.3.5.4.6: <dvrKeyscopeSuffix>
- 3.3.6: Classification elements
  - 3.3.6.1: Subject scheme elements
    - 3.3.6.1.1: <subjectScheme>
    - 3.3.6.1.2: <schemeref>
    - 3.3.6.1.3: <hasInstance>
    - 3.3.6.1.4: <hasKind>
    - 3.3.6.1.5: <hasNarrower>
    - 3.3.6.1.6: <hasPart>
    - 3.3.6.1.7: <hasRelated>
    - 3.3.6.1.8: <enumerationdef>
    - 3.3.6.1.9: <elementdef>
    - 3.3.6.1.10: <attributedef>
    - 3.3.6.1.11: <defaultSubject>
    - 3.3.6.1.12: <subjectHead>
    - 3.3.6.1.13: <subjectHeadMeta>
    - 3.3.6.1.14: <subjectdef>
    - 3.3.6.1.15: <relatedSubjects>
    - 3.3.6.1.16: <subjectRelTable>
    - 3.3.6.1.17: <subjectRelHeader>
    - 3.3.6.1.18: <subjectRel>
    - 3.3.6.1.19: <subjectRole>
  - 3.3.6.2: Classification domain elements
    - 3.3.6.2.1: <subjectref>
    - 3.3.6.2.2: <topicapply>
    - 3.3.6.2.3: <topicsubject>
    - 3.3.6.2.4: <topicSubjectTable>
    - 3.3.6.2.5: <topicSubjectHeader>
    - 3.3.6.2.6: <topicSubjectRow>
    - 3.3.6.2.7: <topicCell>
    - 3.3.6.2.8: <subjectCell>
- 3.3.7: Specialization elements
  - 3.3.7.1: <boolean>
  - 3.3.7.2: <data>
  - 3.3.7.3: <data-about>
  - 3.3.7.4: <foreign>
  - 3.3.7.5: <index-base>
  - 3.3.7.6: <itemgroup>
  - 3.3.7.7: <no-topic-nesting>
  - 3.3.7.8: <state>
  - 3.3.7.9: <unknown>
- 3.3.8: Legacy conversion elements
  - 3.3.8.1: <required-cleanup>
- 3.3.9: DITAVAL elements
  - 3.3.9.1: <val>
  - 3.3.9.2: <style-conflict>
  - 3.3.9.3: <prop>
  - 3.3.9.4: <revprop>
  - 3.3.9.5: <startflag>
  - 3.3.9.6: <endflag>
  - 3.3.9.7: <alt-text>
- 3.3.10: Technical content elements
  - 3.3.10.1: Concept elements
    - 3.3.10.1.1: <concept>
    - 3.3.10.1.2: <conbody>
    - 3.3.10.1.3: <conbodydiv>
  - 3.3.10.2: Task elements
    - 3.3.10.2.1: <task>
    - 3.3.10.2.2: <taskbody>
    - 3.3.10.2.3: <prereq>
    - 3.3.10.2.4: <context>
    - 3.3.10.2.5: <steps>
    - 3.3.10.2.6: <steps-informal>
    - 3.3.10.2.7: <steps-unordered>
    - 3.3.10.2.8: <step>
    - 3.3.10.2.9: <stepsection>
    - 3.3.10.2.10: <cmd>
    - 3.3.10.2.11: <info>
    - 3.3.10.2.12: <substeps>
    - 3.3.10.2.13: <substep>
    - 3.3.10.2.14: <stepxmp>
    - 3.3.10.2.15: <choicetable>
    - 3.3.10.2.16: <chhead>
    - 3.3.10.2.17: <choptionhd>
    - 3.3.10.2.18: <chdeschd>
    - 3.3.10.2.19: <chrow>
    - 3.3.10.2.20: <choption>
    - 3.3.10.2.21: <chdesc>
    - 3.3.10.2.22: <choices>
    - 3.3.10.2.23: <choice>
    - 3.3.10.2.24: <steptroubleshooting>
    - 3.3.10.2.25: <stepresult>
    - 3.3.10.2.26: <tutorialinfo>
    - 3.3.10.2.27: <tasktroubleshooting>
    - 3.3.10.2.28: <result>
    - 3.3.10.2.29: <postreq>
  - 3.3.10.3: Reference elements
    - 3.3.10.3.1: <reference>
    - 3.3.10.3.2: <refbody>
    - 3.3.10.3.3: <refbodydiv>
    - 3.3.10.3.4: <refsyn>
    - 3.3.10.3.5: <properties>
    - 3.3.10.3.6: <prophead>
    - 3.3.10.3.7: <proptypehd>
    - 3.3.10.3.8: <propvaluehd>
    - 3.3.10.3.9: <propdeschd>
    - 3.3.10.3.10: <property>
    - 3.3.10.3.11: <proptype>
    - 3.3.10.3.12: <propvalue>
    - 3.3.10.3.13: <propdesc>
  - 3.3.10.4: Troubleshooting elements
    - 3.3.10.4.1: <troubleshooting>
    - 3.3.10.4.2: <troublebody>
    - 3.3.10.4.3: <condition>
    - 3.3.10.4.4: <troubleSolution>
    - 3.3.10.4.5: <cause>
    - 3.3.10.4.6: <remedy>
    - 3.3.10.4.7: <responsibleParty>
  - 3.3.10.5: Glossary elements
    - 3.3.10.5.1: Glossentry elements
      - 3.3.10.5.1.1: <glossentry>
      - 3.3.10.5.1.2: <glossterm>
      - 3.3.10.5.1.3: <glossdef>
      - 3.3.10.5.1.4: <glossAbbreviation>
      - 3.3.10.5.1.5: <glossAcronym>
      - 3.3.10.5.1.6: <glossAlt>
      - 3.3.10.5.1.7: <glossAlternateFor>
      - 3.3.10.5.1.8: <glossBody>
      - 3.3.10.5.1.9: <glossPartOfSpeech>
      - 3.3.10.5.1.10: <glossProperty>
      - 3.3.10.5.1.11: <glossScopeNote>
      - 3.3.10.5.1.12: <glossShortForm>
      - 3.3.10.5.1.13: <glossStatus>
      - 3.3.10.5.1.14: <glossSurfaceForm>
      - 3.3.10.5.1.15: <glossSymbol>
      - 3.3.10.5.1.16: <glossSynonym>
      - 3.3.10.5.1.17: <glossUsage>
    - 3.3.10.5.2: Glossary related elements
      - 3.3.10.5.2.1: <abbreviated-form>
      - 3.3.10.5.2.2: <glossref>
      - 3.3.10.5.2.3: <glossgroup>
  - 3.3.10.6: Bookmap elements
    - 3.3.10.6.1: Bookmap content elements
      - 3.3.10.6.1.1: <bookmap>
      - 3.3.10.6.1.2: <abbrevlist>
      - 3.3.10.6.1.3: <amendments>
      - 3.3.10.6.1.4: <appendices>
      - 3.3.10.6.1.5: <appendix>
      - 3.3.10.6.1.6: <backmatter>
      - 3.3.10.6.1.7: <bibliolist>
      - 3.3.10.6.1.8: <bookabstract>
      - 3.3.10.6.1.9: <booklibrary>
      - 3.3.10.6.1.10: <booklist>
      - 3.3.10.6.1.11: <booklists>
      - 3.3.10.6.1.12: <booktitle>
      - 3.3.10.6.1.13: <booktitlealt>
      - 3.3.10.6.1.14: <chapter>
      - 3.3.10.6.1.15: <colophon>
      - 3.3.10.6.1.16: <dedication>
      - 3.3.10.6.1.17: <draftintro>
      - 3.3.10.6.1.18: <figurelist>
      - 3.3.10.6.1.19: <frontmatter>
      - 3.3.10.6.1.20: <glossarylist>
      - 3.3.10.6.1.21: <indexlist>
      - 3.3.10.6.1.22: <mainbooktitle>
      - 3.3.10.6.1.23: <notices>
      - 3.3.10.6.1.24: <part>
      - 3.3.10.6.1.25: <preface>
      - 3.3.10.6.1.26: <tablelist>
      - 3.3.10.6.1.27: <toc>
      - 3.3.10.6.1.28: <trademarklist>
    - 3.3.10.6.2: Bookmap metadata elements
      - 3.3.10.6.2.1: <bookmeta>
      - 3.3.10.6.2.2: <approved>
      - 3.3.10.6.2.3: <bookchangehistory>
      - 3.3.10.6.2.4: <bookevent>
      - 3.3.10.6.2.5: <bookeventtype>
      - 3.3.10.6.2.6: <bookid>
      - 3.3.10.6.2.7: <booknumber>
      - 3.3.10.6.2.8: <bookowner>
      - 3.3.10.6.2.9: <bookpartno>
      - 3.3.10.6.2.10: <bookrestriction>
      - 3.3.10.6.2.11: <bookrights>
      - 3.3.10.6.2.12: <completed>
      - 3.3.10.6.2.13: <copyrfirst>
      - 3.3.10.6.2.14: <copyrlast>
      - 3.3.10.6.2.15: <day>
      - 3.3.10.6.2.16: <edited>
      - 3.3.10.6.2.17: <edition>
      - 3.3.10.6.2.18: <isbn>
      - 3.3.10.6.2.19: <maintainer>
      - 3.3.10.6.2.20: <month>
      - 3.3.10.6.2.21: <organization>
      - 3.3.10.6.2.22: <person>
      - 3.3.10.6.2.23: <printlocation>
      - 3.3.10.6.2.24: <published>
      - 3.3.10.6.2.25: <publisherinformation>
      - 3.3.10.6.2.26: <publishtype>
      - 3.3.10.6.2.27: <reviewed>
      - 3.3.10.6.2.28: <revisionid>
      - 3.3.10.6.2.29: <started>
      - 3.3.10.6.2.30: <summary>
      - 3.3.10.6.2.31: <tested>
      - 3.3.10.6.2.32: <volume>
      - 3.3.10.6.2.33: <year>
  - 3.3.10.7: Technical-content domains elements
    - 3.3.10.7.1: Equation domain elements
      - 3.3.10.7.1.1: <equation-block>
      - 3.3.10.7.1.2: <equation-figure>
      - 3.3.10.7.1.3: <equation-inline>
      - 3.3.10.7.1.4: <equation-number>
    - 3.3.10.7.2: Markup domain
      - 3.3.10.7.2.1: <markupname>
    - 3.3.10.7.3: MathML domain elements
      - 3.3.10.7.3.1: <mathml>
      - 3.3.10.7.3.2: <mathmlref>
    - 3.3.10.7.4: Programming elements
      - 3.3.10.7.4.1: <apiname>
      - 3.3.10.7.4.2: <codeblock>
      - 3.3.10.7.4.3: <codeph>
      - 3.3.10.7.4.4: <coderef>
      - 3.3.10.7.4.5: <option>
      - 3.3.10.7.4.6: <parmname>
      - 3.3.10.7.4.7: <parml>
      - 3.3.10.7.4.8: <plentry>
      - 3.3.10.7.4.9: <pt>
      - 3.3.10.7.4.10: <pd>
      - 3.3.10.7.4.11: <synph>
      - 3.3.10.7.4.12: <syntaxdiagram>
      - 3.3.10.7.4.13: <groupseq>
      - 3.3.10.7.4.14: <groupchoice>
      - 3.3.10.7.4.15: <groupcomp>
      - 3.3.10.7.4.16: <fragment>
      - 3.3.10.7.4.17: <fragref>
      - 3.3.10.7.4.18: <synblk>
      - 3.3.10.7.4.19: <synnote>
      - 3.3.10.7.4.20: <synnoteref>
      - 3.3.10.7.4.21: <kwd>
      - 3.3.10.7.4.22: <var>
      - 3.3.10.7.4.23: <oper>
      - 3.3.10.7.4.24: <delim>
      - 3.3.10.7.4.25: <sep>
      - 3.3.10.7.4.26: <repsep>
    - 3.3.10.7.5: Release-management domain elements
      - 3.3.10.7.5.1: <change-completed>
      - 3.3.10.7.5.2: <change-historylist>
      - 3.3.10.7.5.3: <change-item>
      - 3.3.10.7.5.4: <change-organization>
      - 3.3.10.7.5.5: <change-person>
      - 3.3.10.7.5.6: <change-request-id>
      - 3.3.10.7.5.7: <change-request-reference>
      - 3.3.10.7.5.8: <change-request-system>
      - 3.3.10.7.5.9: <change-revisionid>
      - 3.3.10.7.5.10: <change-started>
      - 3.3.10.7.5.11: <change-summary>
    - 3.3.10.7.6: Software elements
      - 3.3.10.7.6.1: <msgph>
      - 3.3.10.7.6.2: <msgblock>
      - 3.3.10.7.6.3: <msgnum>
      - 3.3.10.7.6.4: <cmdname>
      - 3.3.10.7.6.5: <varname>
      - 3.3.10.7.6.6: <filepath>
      - 3.3.10.7.6.7: <userinput>
      - 3.3.10.7.6.8: <systemoutput>
    - 3.3.10.7.7: SVG elements
      - 3.3.10.7.7.1: <svg-container>
      - 3.3.10.7.7.2: <svgref>
    - 3.3.10.7.8: Task requirements domain
      - 3.3.10.7.8.1: <prelreqs>
      - 3.3.10.7.8.2: <closereqs>
      - 3.3.10.7.8.3: <reqconds>
      - 3.3.10.7.8.4: <reqcond>
      - 3.3.10.7.8.5: <noconds>
      - 3.3.10.7.8.6: <reqcontp>
      - 3.3.10.7.8.7: <reqpers>
      - 3.3.10.7.8.8: <personnel>
      - 3.3.10.7.8.9: <perscat>
      - 3.3.10.7.8.10: <perskill>
      - 3.3.10.7.8.11: <esttime>
      - 3.3.10.7.8.12: <supeqli>
      - 3.3.10.7.8.13: <supequi>
      - 3.3.10.7.8.14: <supequip>
      - 3.3.10.7.8.15: <nosupeq>
      - 3.3.10.7.8.16: <supplies>
      - 3.3.10.7.8.17: <supply>
      - 3.3.10.7.8.18: <supplyli>
      - 3.3.10.7.8.19: <nosupply>
      - 3.3.10.7.8.20: <spare>
      - 3.3.10.7.8.21: <spares>
      - 3.3.10.7.8.22: <sparesli>
      - 3.3.10.7.8.23: <nospares>
      - 3.3.10.7.8.24: <nosafety>
      - 3.3.10.7.8.25: <safecond>
      - 3.3.10.7.8.26: <safety>
    - 3.3.10.7.9: User interface elements
      - 3.3.10.7.9.1: <uicontrol>
      - 3.3.10.7.9.2: <wintitle>
      - 3.3.10.7.9.3: <menucascade>
      - 3.3.10.7.9.4: <shortcut>
      - 3.3.10.7.9.5: <screen>
    - 3.3.10.7.10: XML mention domain
      - 3.3.10.7.10.1: <numcharref>
      - 3.3.10.7.10.2: <parameterentity>
      - 3.3.10.7.10.3: <textentity>
      - 3.3.10.7.10.4: <xmlatt>
      - 3.3.10.7.10.5: <xmlelement>
      - 3.3.10.7.10.6: <xmlnsname>
      - 3.3.10.7.10.7: <xmlpi>
    - 3.3.10.7.11: xNAL domain elements
      - 3.3.10.7.11.1: <authorinformation>
      - 3.3.10.7.11.2: <addressdetails>
      - 3.3.10.7.11.3: <administrativearea>
      - 3.3.10.7.11.4: <contactnumber>
      - 3.3.10.7.11.5: <contactnumbers>
      - 3.3.10.7.11.6: <country>
      - 3.3.10.7.11.7: <emailaddress>
      - 3.3.10.7.11.8: <emailaddresses>
      - 3.3.10.7.11.9: <firstname>
      - 3.3.10.7.11.10: <generationidentifier>
      - 3.3.10.7.11.11: <honorific>
      - 3.3.10.7.11.12: <lastname>
      - 3.3.10.7.11.13: <locality>
      - 3.3.10.7.11.14: <localityname>
      - 3.3.10.7.11.15: <middlename>
      - 3.3.10.7.11.16: <namedetails>
      - 3.3.10.7.11.17: <organizationinfo>
      - 3.3.10.7.11.18: <organizationname>
      - 3.3.10.7.11.19: <organizationnamedetails>
      - 3.3.10.7.11.20: <otherinfo>
      - 3.3.10.7.11.21: <personinfo>
      - 3.3.10.7.11.22: <personname>
      - 3.3.10.7.11.23: <postalcode>
      - 3.3.10.7.11.24: <thoroughfare>
      - 3.3.10.7.11.25: <url>
      - 3.3.10.7.11.26: <urls>
- 3.3.11: Learning and training elements
  - 3.3.11.1: Learning and training: topic elements
    - 3.3.11.1.1: <learningOverview>
    - 3.3.11.1.2: <learningOverviewbody>
    - 3.3.11.1.3: <learningContent>
    - 3.3.11.1.4: <learningContentbody>
    - 3.3.11.1.5: <learningSummary>
    - 3.3.11.1.6: <learningSummarybody>
    - 3.3.11.1.7: <learningAssessment>
    - 3.3.11.1.8: <learningAssessmentbody>
    - 3.3.11.1.9: <learningPlan>
    - 3.3.11.1.10: <learningPlanbody>
    - 3.3.11.1.11: <learningBase>
    - 3.3.11.1.12: <learningBasebody>
  - 3.3.11.2: Learning and training: map types
    - 3.3.11.2.1: <learningGroupMap>
    - 3.3.11.2.2: <learningObjectMap>
  - 3.3.11.3: Learning and training: map domain elements
    - 3.3.11.3.1: <learningGroup>
    - 3.3.11.3.2: <learningObject>
    - 3.3.11.3.3: <learningObjectMapRef>
    - 3.3.11.3.4: <learningGroupMapRef>
    - 3.3.11.3.5: <learningPlanRef>
    - 3.3.11.3.6: <learningPreAssessmentRef>
    - 3.3.11.3.7: <learningOverviewRef>
    - 3.3.11.3.8: <learningContentRef>
    - 3.3.11.3.9: <learningContentComponentRef>
    - 3.3.11.3.10: <learningSummaryRef>
    - 3.3.11.3.11: <learningPostAssessmentRef>
  - 3.3.11.4: Learning and training: interactions domain elements
    - 3.3.11.4.1: Top level interactions elements
      - 3.3.11.4.1.1: <lcInstructornote2>
      - 3.3.11.4.1.2: <lcOpenQuestion2>
      - 3.3.11.4.1.3: <lcTrueFalse2>
      - 3.3.11.4.1.4: <lcSingleSelect2>
      - 3.3.11.4.1.5: <lcMultipleSelect2>
      - 3.3.11.4.1.6: <lcSequencing2>
      - 3.3.11.4.1.7: <lcMatching2>
      - 3.3.11.4.1.8: <lcHotspot2>
      - 3.3.11.4.1.9: <lcInteractionBase2>
      - 3.3.11.4.1.10: <lcQuestionBase2>
    - 3.3.11.4.2: Interactions domain content elements
      - 3.3.11.4.2.1: <lcAnswerContent2>
      - 3.3.11.4.2.2: <lcAnswerOption2>
      - 3.3.11.4.2.3: <lcAnswerOptionGroup2>
      - 3.3.11.4.2.4: <lcArea2>
      - 3.3.11.4.2.5: <lcAreaCoords2>
      - 3.3.11.4.2.6: <lcAreaShape2>
      - 3.3.11.4.2.7: <lcAsset2>
      - 3.3.11.4.2.8: <lcCorrectResponse2>
      - 3.3.11.4.2.9: <lcFeedback2>
      - 3.3.11.4.2.10: <lcFeedbackCorrect2>
      - 3.3.11.4.2.11: <lcFeedbackIncorrect2>
      - 3.3.11.4.2.12: <lcHotspotMap2>
      - 3.3.11.4.2.13: <lcInteractionLabel2>
      - 3.3.11.4.2.14: <lcItem2>
      - 3.3.11.4.2.15: <lcMatchingHeader2>
      - 3.3.11.4.2.16: <lcMatchingItem2>
      - 3.3.11.4.2.17: <lcMatchingItemFeedback2>
      - 3.3.11.4.2.18: <lcMatchingPair2>
      - 3.3.11.4.2.19: <lcMatchTable2>
      - 3.3.11.4.2.20: <lcOpenAnswer2>
      - 3.3.11.4.2.21: <lcQuestion2>
      - 3.3.11.4.2.22: <lcSequence2>
      - 3.3.11.4.2.23: <lcSequenceOption2>
      - 3.3.11.4.2.24: <lcSequenceOptionGroup2>
  - 3.3.11.5: Learning and training: interactions domain elements (DEPRECATED)
    - 3.3.11.5.1: Top level interactions elements (DEPRECATED)
      - 3.3.11.5.1.1: <lcInstructornote>
      - 3.3.11.5.1.2: <lcOpenQuestion>
      - 3.3.11.5.1.3: <lcTrueFalse>
      - 3.3.11.5.1.4: <lcSingleSelect>
      - 3.3.11.5.1.5: <lcMultipleSelect>
      - 3.3.11.5.1.6: <lcSequencing>
      - 3.3.11.5.1.7: <lcMatching>
      - 3.3.11.5.1.8: <lcHotspot>
      - 3.3.11.5.1.9: <lcInteractionBase>
      - 3.3.11.5.1.10: <lcQuestionBase>
    - 3.3.11.5.2: Interactions domain content elements (DEPRECATED)
      - 3.3.11.5.2.1: <lcAnswerContent>
      - 3.3.11.5.2.2: <lcAnswerOption>
      - 3.3.11.5.2.3: <lcAnswerOptionGroup>
      - 3.3.11.5.2.4: <lcArea>
      - 3.3.11.5.2.5: <lcAreaCoords>
      - 3.3.11.5.2.6: <lcAreaShape>
      - 3.3.11.5.2.7: <lcAsset>
      - 3.3.11.5.2.8: <lcCorrectResponse>
      - 3.3.11.5.2.9: <lcFeedback>
      - 3.3.11.5.2.10: <lcFeedbackCorrect>
      - 3.3.11.5.2.11: <lcFeedbackIncorrect>
      - 3.3.11.5.2.12: <lcHotspotMap>
      - 3.3.11.5.2.13: <lcItem>
      - 3.3.11.5.2.14: <lcMatchingHeader>
      - 3.3.11.5.2.15: <lcMatchingItem>
      - 3.3.11.5.2.16: <lcMatchingItemFeedback>
      - 3.3.11.5.2.17: <lcMatchingPair>
      - 3.3.11.5.2.18: <lcMatchTable>
      - 3.3.11.5.2.19: <lcOpenAnswer>
      - 3.3.11.5.2.20: <lcQuestion>
      - 3.3.11.5.2.21: <lcSequence>
      - 3.3.11.5.2.22: <lcSequenceOption>
      - 3.3.11.5.2.23: <lcSequenceOptionGroup>
  - 3.3.11.6: Learning and training: metadata elements
    - 3.3.11.6.1: <lcLom>
    - 3.3.11.6.2: <lomAggregationLevel>
    - 3.3.11.6.3: <lomContext>
    - 3.3.11.6.4: <lomCoverage>
    - 3.3.11.6.5: <lomDifficulty>
    - 3.3.11.6.6: <lomInstallationRemarks>
    - 3.3.11.6.7: <lomIntendedUserRole>
    - 3.3.11.6.8: <lomInteractivityLevel>
    - 3.3.11.6.9: <lomInteractivityType>
    - 3.3.11.6.10: <lomLearningResourceType>
    - 3.3.11.6.11: <lomOtherPlatformRequirements>
    - 3.3.11.6.12: <lomSemanticDensity>
    - 3.3.11.6.13: <lomStructure>
    - 3.3.11.6.14: <lomTechRequirement>
    - 3.3.11.6.15: <lomTypicalAgeRange>
    - 3.3.11.6.16: <lomTypicalLearningTime>
  - 3.3.11.7: Learning and training: common content elements
    - 3.3.11.7.1: <lcAge>
    - 3.3.11.7.2: <lcAssessment>
    - 3.3.11.7.3: <lcAttitude>
    - 3.3.11.7.4: <lcAudience>
    - 3.3.11.7.5: <lcBackground>
    - 3.3.11.7.6: <lcChallenge>
    - 3.3.11.7.7: <lcCIN>
    - 3.3.11.7.8: <lcClassroom>
    - 3.3.11.7.9: <lcClient>
    - 3.3.11.7.10: <lcConstraints>
    - 3.3.11.7.11: <lcDelivDate>
    - 3.3.11.7.12: <lcDelivery>
    - 3.3.11.7.13: <lcDownloadTime>
    - 3.3.11.7.14: <lcDuration>
    - 3.3.11.7.15: <lcEdLevel>
    - 3.3.11.7.16: <lcFileSizeLimitations>
    - 3.3.11.7.17: <lcGapAnalysis>
    - 3.3.11.7.18: <lcGapItem>
    - 3.3.11.7.19: <lcGapItemDelta>
    - 3.3.11.7.20: <lcGeneralDescription>
    - 3.3.11.7.21: <lcGoals>
    - 3.3.11.7.22: <lcGraphics>
    - 3.3.11.7.23: <lcHandouts>
    - 3.3.11.7.24: <lcInstruction>
    - 3.3.11.7.25: <lcInteraction>
    - 3.3.11.7.26: <lcIntervention>
    - 3.3.11.7.27: <lcInterventionItem>
    - 3.3.11.7.28: <lcIntro>
    - 3.3.11.7.29: <lcJtaItem>
    - 3.3.11.7.30: <lcKnowledge>
    - 3.3.11.7.31: <lcLearnStrat>
    - 3.3.11.7.32: <lcLMS>
    - 3.3.11.7.33: <lcModDate>
    - 3.3.11.7.34: <lcMotivation>
    - 3.3.11.7.35: <lcNeeds>
    - 3.3.11.7.36: <lcNeedsAnalysis>
    - 3.3.11.7.37: <lcNextSteps>
    - 3.3.11.7.38: <lcNoLMS>
    - 3.3.11.7.39: <lcObjective>
    - 3.3.11.7.40: <lcObjectives>
    - 3.3.11.7.41: <lcObjectivesGroup>
    - 3.3.11.7.42: <lcObjectivesStem>
    - 3.3.11.7.43: <lcOJT>
    - 3.3.11.7.44: <lcOrganizational>
    - 3.3.11.7.45: <lcOrgConstraints>
    - 3.3.11.7.46: <lcPlanAudience>
    - 3.3.11.7.47: <lcPlanDescrip>
    - 3.3.11.7.48: <lcPlanObjective>
    - 3.3.11.7.49: <lcPlanPrereqs>
    - 3.3.11.7.50: <lcPlanResources>
    - 3.3.11.7.51: <lcPlanSubject>
    - 3.3.11.7.52: <lcPlanTitle>
    - 3.3.11.7.53: <lcPlayers>
    - 3.3.11.7.54: <lcPrereqs>
    - 3.3.11.7.55: <lcProcesses>
    - 3.3.11.7.56: <lcProject>
    - 3.3.11.7.57: <lcResolution>
    - 3.3.11.7.58: <lcResources>
    - 3.3.11.7.59: <lcReview>
    - 3.3.11.7.60: <lcSecurity>
    - 3.3.11.7.61: <lcSkills>
    - 3.3.11.7.62: <lcSpecChars>
    - 3.3.11.7.63: <lcSummary>
    - 3.3.11.7.64: <lcTask>
    - 3.3.11.7.65: <lcTaskItem>
    - 3.3.11.7.66: <lcTechnical>
    - 3.3.11.7.67: <lcTime>
    - 3.3.11.7.68: <lcValues>
    - 3.3.11.7.69: <lcViewers>
    - 3.3.11.7.70: <lcW3C>
    - 3.3.11.7.71: <lcWorkEnv>
    - 3.3.11.7.72: <lcWorkEnvDescription>
- 3.3.12: Attributes
  - 3.3.12.1: Universal attribute group
    - 3.3.12.1.1: ID attribute group
    - 3.3.12.1.2: Metadata attribute group
    - 3.3.12.1.3: Localization attribute group
    - 3.3.12.1.4: Debug attribute group
  - 3.3.12.2: Architectural attribute group
  - 3.3.12.3: Attributes common to many map elements
  - 3.3.12.4: Complex-table attribute group
  - 3.3.12.5: Data element attributes group
  - 3.3.12.6: Date attributes group
  - 3.3.12.7: Display attribute group
  - 3.3.12.8: Link relationship attribute group
  - 3.3.12.9: Other common attributes
  - 3.3.12.10: Simpletable attribute group
  - 3.3.12.11: Specialization attributes group
  - 3.3.12.12: Topicref element attributes group
  - 3.3.12.13: Complex attribute definitions
    - 3.3.12.13.1: The @href attribute
    - 3.3.12.13.2: The @keys attribute
    - 3.3.12.13.3: The @keyref attribute
    - 3.3.12.13.4: The @keyscope attribute
    - 3.3.12.13.5: The @conref attribute
      - 3.3.12.13.5.1: Using the -dita-use-conref-target value
    - 3.3.12.13.6: The @conaction attribute
    - 3.3.12.13.7: The @conrefend attribute
    - 3.3.12.13.8: The @conkeyref attribute
    - 3.3.12.13.9: The @type attribute
    - 3.3.12.13.10: The @format attribute
    - 3.3.12.13.11: The @scope attribute
    - 3.3.12.13.12: The @role and @otherrole attributes
Chapter 4: Conformance
Appendix A: Acknowledgments
Appendix B: Non-normative information
Appendix C: Content models: All-inclusive edition
- C.7.1 A elements
- C.7.2 B elements
- C.7.3 C elements
- C.7.4 D elements
- C.7.5 E elements
- C.7.6 F elements
- C.7.7 G elements
- C.7.8 H elements
- C.7.9 I elements
- C.7.10 K elements
- C.7.11 L elements
- C.7.12 M elements
- C.7.13 N elements
- C.7.14 O elements
- C.7.15 P elements
- C.7.16 Q elements
- C.7.17 R elements
- C.7.18 S elements
- C.7.19 T elements
- C.7.20 U elements
- C.7.21 V elements
- C.7.22 W elements
- C.7.23 X elements
- C.7.24 Y elements

Table of Contents

DITA Resource Center

<metadata>

The <metadata> section of the <prolog> contains information about a topic such as audience and product information. Metadata can be used by computational processes to select particular topics or to prepare search indexes or to customize navigation. Elements inside of <metadata> provide information about the content and subject of a topic; <prolog> elements outside of <metadata> provide lifecycle information for the content unit (such as the author or copyright), which are unrelated to the subject.

Beginning with DITA 1.2, the <metadata> element is available inside <topicmeta> in maps, although the contents of <metadata> are still available directly inside <topicmeta>. As with the <prolog>, the <metadata> element within <topicmeta> allows you to group elements that describe the content or subject of the target. The primary purpose for enabling the <metadata> element within maps is to allow easier reuse between topics and maps.

Content models

See appendix for information about this element in OASIS document type shells.

Inheritance

- topic/metadata

Example

Metadata within a topic:

<prolog>
  <metadata>
    <audience type="user" job="using" experiencelevel="novice"/>
  </metadata>
</prolog>

Metadata within a map:

<topicref href="metadata.dita" navtitle="metadata element">
  <topicmeta>
    <metadata>
      <keywords>
        <indexterm>metadata element</indexterm>
      </keywords>
    </metadata>
  </topicmeta>
</topicref>

Attributes

The following attributes are available on this element: Universal attribute group and @mapkeyref.

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