Darwin Information Typing Architecture (DITA) Version 1.2

Chapter 1: Introduction
- 1.1.1: Terminology
- 1.1.2: Normative references
- 1.1.3: Non-normative references
- 1.1.4: Formatting conventions in the XHTML version of the specification
Chapter 2: Architectural specification
- 2.2.1: Base architecture
  - 2.2.1.1: Introduction to DITA
    - 2.2.1.1.1: About the specification source
    - 2.2.1.1.2: DITA terminology and notation
    - 2.2.1.1.3: Basic concepts
    - 2.2.1.1.4: File naming conventions
    - 2.2.1.1.5: Producing different deliverables from a single source
  - 2.2.1.2: DITA markup
    - 2.2.1.2.1: DITA topics
      - 2.2.1.2.1.1: The topic as the basic unit of information
      - 2.2.1.2.1.2: The benefits of a topic-based architecture
        
        2.2.1.2.1.2.1: Disciplined, topic-oriented writing
        
        2.2.1.2.1.2.2: Transitional text solutions
      - 2.2.1.2.1.3: Information typing
      - 2.2.1.2.1.4: Generic topics
      - 2.2.1.2.1.5: Topic structure
      - 2.2.1.2.1.6: Topic content
      - 2.2.1.2.1.7: Topic domains: Basic DITA
    - 2.2.1.2.2: DITA maps
      - 2.2.1.2.2.1: Definition of DITA maps
      - 2.2.1.2.2.2: Purpose of DITA maps
      - 2.2.1.2.2.3: DITA map elements
      - 2.2.1.2.2.4: DITA map attributes
      - 2.2.1.2.2.5: Subject scheme maps
    - 2.2.1.2.3: DITA metadata
      - 2.2.1.2.3.1: Metadata elements
      - 2.2.1.2.3.2: Metadata attributes
        
        2.2.1.2.3.2.1: Conditional processing attributes
        
        2.2.1.2.3.2.2: Translation and localization attributes
        
        2.2.1.2.3.2.3: Architectural attributes
      - 2.2.1.2.3.3: Metadata in maps and topics
      - 2.2.1.2.3.4: Cascading of attributes and metadata in a DITA map
      - 2.2.1.2.3.5: Map-to-map cascading behaviors
      - 2.2.1.2.3.6: Reconciling topic and map metadata
  - 2.2.1.3: DITA processing
    - 2.2.1.3.1: Module compatibility and the @domains attribute
    - 2.2.1.3.2: Navigation behaviors
    - 2.2.1.3.3: DITA linking
      - 2.2.1.3.3.1: Links within maps
      - 2.2.1.3.3.2: Links within topics
    - 2.2.1.3.4: DITA addressing
      - 2.2.1.3.4.1: ID attribute
      - 2.2.1.3.4.2: URI-based (direct) addressing
      - 2.2.1.3.4.3: Key-based addressing
        
        2.2.1.3.4.3.1: Overview of keys
        
        2.2.1.3.4.3.2: Using keys to address DITA elements
        
        2.2.1.3.4.3.3: Processing key references
        
        2.2.1.3.4.3.4: Examples of keys
      - 2.2.1.3.4.4: Summary of addressing elements
    - 2.2.1.3.5: Content inclusion (conref)
    - 2.2.1.3.6: Conditional processing (profiling)
    - 2.2.1.3.7: Chunking
    - 2.2.1.3.8: Printing
    - 2.2.1.3.9: Translation and localization
      - 2.2.1.3.9.1: The @xml:lang attribute
      - 2.2.1.3.9.2: The dir attribute
  - 2.2.1.4: Configuration, specialization, and constraints
    - 2.2.1.4.1: Overview of DITA extension facilities
      - 2.2.1.4.1.1: Recognized XML document constraint mechanisms
    - 2.2.1.4.2: Configuration (Document type shells)
      - 2.2.1.4.2.1: DTD document-type shell: Coding requirements
      - 2.2.1.4.2.2: XSD document-type shell: Coding requirements
    - 2.2.1.4.3: Specialization
      - 2.2.1.4.3.1: Vocabulary modules
      - 2.2.1.4.3.2: Requirements for specialized element types and attributes
      - 2.2.1.4.3.3: Element type specialization hierarchy declaration (the @class attribute)
      - 2.2.1.4.3.4: Domain usage declaration (the @domains attribute)
      - 2.2.1.4.3.5: Generalization
      - 2.2.1.4.3.6: Attribute generalization
      - 2.2.1.4.3.7: Specializing foreign or unknown content
      - 2.2.1.4.3.8: Specialization module coding requirements
        
        2.2.1.4.3.8.1: DTD syntax specialization module coding requirements
        
        2.2.1.4.3.8.1.1: General element type declaration coding requirements
        
        2.2.1.4.3.8.1.2: Structural module coding requirements
        
        2.2.1.4.3.8.1.3: Topic type module coding requirements
        
        2.2.1.4.3.8.1.4: Element domain module coding requirements
        
        2.2.1.4.3.8.1.5: Attribute domain module coding requirements
        
        2.2.1.4.3.8.2: XSD schema specialization module coding requirements
        
        2.2.1.4.3.8.2.1: General element type declaration coding requirements
        
        2.2.1.4.3.8.2.2: Structural specialization coding requirements
        
        2.2.1.4.3.8.2.3: Attribute domain coding requirements
    - 2.2.1.4.4: Constraints
      - 2.2.1.4.4.1: Constraint module DTD coding requirements
      - 2.2.1.4.4.2: Constraint module XSD coding requirements
      - 2.2.1.4.4.3: Conref and generalization for constraint modules
      - 2.2.1.4.4.4: Examples of constraint declaration modules
- 2.2.2: Technical content architecture
  - 2.2.2.1: Overview of the DITA 1.2 Specification: Technical Content
  - 2.2.2.2: Technical content: Document and information types
    - 2.2.2.2.1: Concept topic
    - 2.2.2.2.2: Reference topic
    - 2.2.2.2.3: General task topic
    - 2.2.2.2.4: Task topic (strict task)
    - 2.2.2.2.5: Machinery Task topic
    - 2.2.2.2.6: Glossary entry topic
    - 2.2.2.2.7: Glossary group topic
    - 2.2.2.2.8: Bookmap
  - 2.2.2.3: Topic domains: Technical content
  - 2.2.2.4: The xNAL domain
- 2.2.3: Learning and training architecture
  - 2.2.3.1: Overview
  - 2.2.3.2: Objectives of the DITA Learning and Training Specialization
  - 2.2.3.3: A learning objects approach to learning and training content
  - 2.2.3.4: Use cases
  - 2.2.3.5: Summary of learning topic, map, and domain designs
Chapter 3: Language reference
- 3.3.1: Base elements
  - 3.3.1.1: Topic elements
    - 3.3.1.1.1: Basic topic elements
      - 3.3.1.1.1.1: topic
      - 3.3.1.1.1.2: title
      - 3.3.1.1.1.3: titlealts
      - 3.3.1.1.1.4: searchtitle
      - 3.3.1.1.1.5: navtitle
      - 3.3.1.1.1.6: shortdesc
      - 3.3.1.1.1.7: abstract
      - 3.3.1.1.1.8: body
      - 3.3.1.1.1.9: bodydiv
      - 3.3.1.1.1.10: related-links
      - 3.3.1.1.1.11: dita
    - 3.3.1.1.2: Body elements
      - 3.3.1.1.2.1: alt
      - 3.3.1.1.2.2: cite
      - 3.3.1.1.2.3: dd
      - 3.3.1.1.2.4: desc
      - 3.3.1.1.2.5: ddhd
      - 3.3.1.1.2.6: dl
      - 3.3.1.1.2.7: dlentry
      - 3.3.1.1.2.8: dlhead
      - 3.3.1.1.2.9: dt
      - 3.3.1.1.2.10: draft-comment
      - 3.3.1.1.2.11: dthd
      - 3.3.1.1.2.12: example
      - 3.3.1.1.2.13: fig
      - 3.3.1.1.2.14: figgroup
      - 3.3.1.1.2.15: fn
      - 3.3.1.1.2.16: image
      - 3.3.1.1.2.17: keyword
      - 3.3.1.1.2.18: li
      - 3.3.1.1.2.19: lines
      - 3.3.1.1.2.20: longdescref
      - 3.3.1.1.2.21: longquoteref
      - 3.3.1.1.2.22: lq
      - 3.3.1.1.2.23: object
      - 3.3.1.1.2.24: note
      - 3.3.1.1.2.25: ol
      - 3.3.1.1.2.26: p
      - 3.3.1.1.2.27: param
      - 3.3.1.1.2.28: ph
      - 3.3.1.1.2.29: pre
      - 3.3.1.1.2.30: q
      - 3.3.1.1.2.31: section
      - 3.3.1.1.2.32: sectiondiv
      - 3.3.1.1.2.33: sl
      - 3.3.1.1.2.34: sli
      - 3.3.1.1.2.35: term
      - 3.3.1.1.2.36: text
      - 3.3.1.1.2.37: tm
      - 3.3.1.1.2.38: ul
      - 3.3.1.1.2.39: xref
    - 3.3.1.1.3: Table elements
      - 3.3.1.1.3.1: table
      - 3.3.1.1.3.2: tgroup
      - 3.3.1.1.3.3: colspec
      - 3.3.1.1.3.4: thead
      - 3.3.1.1.3.5: tbody
      - 3.3.1.1.3.6: row
      - 3.3.1.1.3.7: entry
      - 3.3.1.1.3.8: simpletable
      - 3.3.1.1.3.9: sthead
      - 3.3.1.1.3.10: strow
      - 3.3.1.1.3.11: stentry
    - 3.3.1.1.4: Related links elements
      - 3.3.1.1.4.1: link
      - 3.3.1.1.4.2: linklist
      - 3.3.1.1.4.3: linkpool
      - 3.3.1.1.4.4: linktext
      - 3.3.1.1.4.5: linkinfo
  - 3.3.1.2: Map elements
    - 3.3.1.2.1: Basic map elements
      - 3.3.1.2.1.1: map
      - 3.3.1.2.1.2: topicref
      - 3.3.1.2.1.3: topicmeta
      - 3.3.1.2.1.4: anchor
      - 3.3.1.2.1.5: navref
      - 3.3.1.2.1.6: reltable
      - 3.3.1.2.1.7: relrow
      - 3.3.1.2.1.8: relcell
      - 3.3.1.2.1.9: relheader
      - 3.3.1.2.1.10: relcolspec
    - 3.3.1.2.2: Map group elements
      - 3.3.1.2.2.1: anchorref
      - 3.3.1.2.2.2: keydef
      - 3.3.1.2.2.3: mapref
      - 3.3.1.2.2.4: topicgroup
      - 3.3.1.2.2.5: topichead
      - 3.3.1.2.2.6: topicset
      - 3.3.1.2.2.7: topicsetref
  - 3.3.1.3: Metadata elements
    - 3.3.1.3.1: Prolog (metadata) elements
      - 3.3.1.3.1.1: prolog
      - 3.3.1.3.1.2: audience
      - 3.3.1.3.1.3: author
      - 3.3.1.3.1.4: brand
      - 3.3.1.3.1.5: category
      - 3.3.1.3.1.6: component
      - 3.3.1.3.1.7: copyright
      - 3.3.1.3.1.8: copyrholder
      - 3.3.1.3.1.9: copyryear
      - 3.3.1.3.1.10: created
      - 3.3.1.3.1.11: critdates
      - 3.3.1.3.1.12: featnum
      - 3.3.1.3.1.13: keywords
      - 3.3.1.3.1.14: metadata
      - 3.3.1.3.1.15: othermeta
      - 3.3.1.3.1.16: permissions
      - 3.3.1.3.1.17: platform
      - 3.3.1.3.1.18: prodinfo
      - 3.3.1.3.1.19: prodname
      - 3.3.1.3.1.20: prognum
      - 3.3.1.3.1.21: publisher
      - 3.3.1.3.1.22: resourceid
      - 3.3.1.3.1.23: revised
      - 3.3.1.3.1.24: series
      - 3.3.1.3.1.25: source
      - 3.3.1.3.1.26: vrmlist
      - 3.3.1.3.1.27: vrm
    - 3.3.1.3.2: Indexing group elements
      - 3.3.1.3.2.1: indexterm
      - 3.3.1.3.2.2: indextermref
      - 3.3.1.3.2.3: index-see
      - 3.3.1.3.2.4: index-see-also
      - 3.3.1.3.2.5: index-sort-as
    - 3.3.1.3.3: Delayed conref resolution elements
      - 3.3.1.3.3.1: exportanchors
      - 3.3.1.3.3.2: anchorid
      - 3.3.1.3.3.3: anchorkey
  - 3.3.1.4: Domain elements
    - 3.3.1.4.1: Hazard statement elements
      - 3.3.1.4.1.1: hazardstatement
      - 3.3.1.4.1.2: consequence
      - 3.3.1.4.1.3: hazardsymbol
      - 3.3.1.4.1.4: howtoavoid
      - 3.3.1.4.1.5: messagepanel
      - 3.3.1.4.1.6: typeofhazard
    - 3.3.1.4.2: Typographic elements
      - 3.3.1.4.2.1: b
      - 3.3.1.4.2.2: i
      - 3.3.1.4.2.3: sup
      - 3.3.1.4.2.4: sub
      - 3.3.1.4.2.5: tt
      - 3.3.1.4.2.6: u
    - 3.3.1.4.3: Utilities elements
      - 3.3.1.4.3.1: area
      - 3.3.1.4.3.2: coords
      - 3.3.1.4.3.3: imagemap
      - 3.3.1.4.3.4: shape
  - 3.3.1.5: Classification elements
    - 3.3.1.5.1: Subject scheme maps
      - 3.3.1.5.1.1: subjectScheme
      - 3.3.1.5.1.2: schemeref
      - 3.3.1.5.1.3: hasInstance
      - 3.3.1.5.1.4: hasKind
      - 3.3.1.5.1.5: hasNarrower
      - 3.3.1.5.1.6: hasPart
      - 3.3.1.5.1.7: hasRelated
      - 3.3.1.5.1.8: enumerationdef
      - 3.3.1.5.1.9: elementdef
      - 3.3.1.5.1.10: attributedef
      - 3.3.1.5.1.11: defaultSubject
      - 3.3.1.5.1.12: subjectHead
      - 3.3.1.5.1.13: subjectHeadMeta
      - 3.3.1.5.1.14: subjectdef
      - 3.3.1.5.1.15: relatedSubjects
      - 3.3.1.5.1.16: subjectRelTable
      - 3.3.1.5.1.17: subjectRelHeader
      - 3.3.1.5.1.18: subjectRel
      - 3.3.1.5.1.19: subjectRole
    - 3.3.1.5.2: Classification domain elements
      - 3.3.1.5.2.1: subjectref
      - 3.3.1.5.2.2: topicapply
      - 3.3.1.5.2.3: topicsubject
      - 3.3.1.5.2.4: topicSubjectTable
      - 3.3.1.5.2.5: topicSubjectHeader
      - 3.3.1.5.2.6: topicSubjectRow
      - 3.3.1.5.2.7: topicCell
      - 3.3.1.5.2.8: subjectCell
  - 3.3.1.6: Specialization elements
    - 3.3.1.6.1: boolean
    - 3.3.1.6.2: data
    - 3.3.1.6.3: data-about
    - 3.3.1.6.4: foreign
    - 3.3.1.6.5: index-base
    - 3.3.1.6.6: itemgroup
    - 3.3.1.6.7: no-topic-nesting
    - 3.3.1.6.8: state
    - 3.3.1.6.9: unknown
  - 3.3.1.7: Legacy conversion elements
    - 3.3.1.7.1: required-cleanup
  - 3.3.1.8: DITAVAL elements
    - 3.3.1.8.1: val
    - 3.3.1.8.2: style-conflict
    - 3.3.1.8.3: prop
    - 3.3.1.8.4: revprop
    - 3.3.1.8.5: startflag
    - 3.3.1.8.6: endflag
    - 3.3.1.8.7: alt-text
- 3.3.2: Technical content elements
  - 3.3.2.1: Concept elements
    - 3.3.2.1.1: concept
    - 3.3.2.1.2: conbody
    - 3.3.2.1.3: conbodydiv
  - 3.3.2.2: Task elements
    - 3.3.2.2.1: task
    - 3.3.2.2.2: taskbody
    - 3.3.2.2.3: prereq
    - 3.3.2.2.4: context
    - 3.3.2.2.5: steps
    - 3.3.2.2.6: steps-informal
    - 3.3.2.2.7: steps-unordered
    - 3.3.2.2.8: step
    - 3.3.2.2.9: stepsection
    - 3.3.2.2.10: cmd
    - 3.3.2.2.11: info
    - 3.3.2.2.12: substeps
    - 3.3.2.2.13: substep
    - 3.3.2.2.14: stepxmp
    - 3.3.2.2.15: choicetable
    - 3.3.2.2.16: chhead
    - 3.3.2.2.17: choptionhd
    - 3.3.2.2.18: chdeschd
    - 3.3.2.2.19: chrow
    - 3.3.2.2.20: choption
    - 3.3.2.2.21: chdesc
    - 3.3.2.2.22: choices
    - 3.3.2.2.23: choice
    - 3.3.2.2.24: stepresult
    - 3.3.2.2.25: tutorialinfo
    - 3.3.2.2.26: result
    - 3.3.2.2.27: postreq
  - 3.3.2.3: Reference elements
    - 3.3.2.3.1: reference
    - 3.3.2.3.2: refbody
    - 3.3.2.3.3: refbodydiv
    - 3.3.2.3.4: refsyn
    - 3.3.2.3.5: properties
    - 3.3.2.3.6: prophead
    - 3.3.2.3.7: proptypehd
    - 3.3.2.3.8: propvaluehd
    - 3.3.2.3.9: propdeschd
    - 3.3.2.3.10: property
    - 3.3.2.3.11: proptype
    - 3.3.2.3.12: propvalue
    - 3.3.2.3.13: propdesc
  - 3.3.2.4: Glossary elements
    - 3.3.2.4.1: Glossentry elements
      - 3.3.2.4.1.1: glossentry
      - 3.3.2.4.1.2: glossterm
      - 3.3.2.4.1.3: glossdef
      - 3.3.2.4.1.4: glossAbbreviation
      - 3.3.2.4.1.5: glossAcronym
      - 3.3.2.4.1.6: glossAlt
      - 3.3.2.4.1.7: glossAlternateFor
      - 3.3.2.4.1.8: glossBody
      - 3.3.2.4.1.9: glossPartOfSpeech
      - 3.3.2.4.1.10: glossProperty
      - 3.3.2.4.1.11: glossScopeNote
      - 3.3.2.4.1.12: glossShortForm
      - 3.3.2.4.1.13: glossStatus
      - 3.3.2.4.1.14: glossSurfaceForm
      - 3.3.2.4.1.15: glossSymbol
      - 3.3.2.4.1.16: glossSynonym
      - 3.3.2.4.1.17: glossUsage
    - 3.3.2.4.2: Glossary related elements
      - 3.3.2.4.2.1: abbreviated-form
      - 3.3.2.4.2.2: glossref
      - 3.3.2.4.2.3: glossgroup
  - 3.3.2.5: Bookmap elements
    - 3.3.2.5.1: Bookmap content elements
      - 3.3.2.5.1.1: bookmap
      - 3.3.2.5.1.2: abbrevlist
      - 3.3.2.5.1.3: amendments
      - 3.3.2.5.1.4: appendices
      - 3.3.2.5.1.5: appendix
      - 3.3.2.5.1.6: backmatter
      - 3.3.2.5.1.7: bibliolist
      - 3.3.2.5.1.8: bookabstract
      - 3.3.2.5.1.9: booklibrary
      - 3.3.2.5.1.10: booklist
      - 3.3.2.5.1.11: booklists
      - 3.3.2.5.1.12: booktitle
      - 3.3.2.5.1.13: booktitlealt
      - 3.3.2.5.1.14: chapter
      - 3.3.2.5.1.15: colophon
      - 3.3.2.5.1.16: dedication
      - 3.3.2.5.1.17: draftintro
      - 3.3.2.5.1.18: figurelist
      - 3.3.2.5.1.19: frontmatter
      - 3.3.2.5.1.20: glossarylist
      - 3.3.2.5.1.21: indexlist
      - 3.3.2.5.1.22: mainbooktitle
      - 3.3.2.5.1.23: notices
      - 3.3.2.5.1.24: part
      - 3.3.2.5.1.25: preface
      - 3.3.2.5.1.26: tablelist
      - 3.3.2.5.1.27: toc
      - 3.3.2.5.1.28: trademarklist
    - 3.3.2.5.2: Bookmap metadata elements
      - 3.3.2.5.2.1: bookmeta
      - 3.3.2.5.2.2: approved
      - 3.3.2.5.2.3: bookchangehistory
      - 3.3.2.5.2.4: bookevent
      - 3.3.2.5.2.5: bookeventtype
      - 3.3.2.5.2.6: bookid
      - 3.3.2.5.2.7: booknumber
      - 3.3.2.5.2.8: bookowner
      - 3.3.2.5.2.9: bookpartno
      - 3.3.2.5.2.10: bookrestriction
      - 3.3.2.5.2.11: bookrights
      - 3.3.2.5.2.12: completed
      - 3.3.2.5.2.13: copyrfirst
      - 3.3.2.5.2.14: copyrlast
      - 3.3.2.5.2.15: day
      - 3.3.2.5.2.16: edited
      - 3.3.2.5.2.17: edition
      - 3.3.2.5.2.18: isbn
      - 3.3.2.5.2.19: maintainer
      - 3.3.2.5.2.20: month
      - 3.3.2.5.2.21: organization
      - 3.3.2.5.2.22: person
      - 3.3.2.5.2.23: printlocation
      - 3.3.2.5.2.24: published
      - 3.3.2.5.2.25: publisherinformation
      - 3.3.2.5.2.26: publishtype
      - 3.3.2.5.2.27: reviewed
      - 3.3.2.5.2.28: revisionid
      - 3.3.2.5.2.29: started
      - 3.3.2.5.2.30: summary
      - 3.3.2.5.2.31: tested
      - 3.3.2.5.2.32: volume
      - 3.3.2.5.2.33: year
  - 3.3.2.6: Domain elements
    - 3.3.2.6.1: Task requirements domain
      - 3.3.2.6.1.1: prelreqs
      - 3.3.2.6.1.2: closereqs
      - 3.3.2.6.1.3: reqconds
      - 3.3.2.6.1.4: reqcond
      - 3.3.2.6.1.5: noconds
      - 3.3.2.6.1.6: reqcontp
      - 3.3.2.6.1.7: reqpers
      - 3.3.2.6.1.8: personnel
      - 3.3.2.6.1.9: perscat
      - 3.3.2.6.1.10: perskill
      - 3.3.2.6.1.11: esttime
      - 3.3.2.6.1.12: supeqli
      - 3.3.2.6.1.13: supequi
      - 3.3.2.6.1.14: supequip
      - 3.3.2.6.1.15: nosupeq
      - 3.3.2.6.1.16: supplies
      - 3.3.2.6.1.17: supply
      - 3.3.2.6.1.18: supplyli
      - 3.3.2.6.1.19: nosupply
      - 3.3.2.6.1.20: spare
      - 3.3.2.6.1.21: spares
      - 3.3.2.6.1.22: sparesli
      - 3.3.2.6.1.23: nospares
      - 3.3.2.6.1.24: nosafety
      - 3.3.2.6.1.25: safecond
      - 3.3.2.6.1.26: safety
    - 3.3.2.6.2: Programming elements
      - 3.3.2.6.2.1: apiname
      - 3.3.2.6.2.2: codeblock
      - 3.3.2.6.2.3: coderef
      - 3.3.2.6.2.4: codeph
      - 3.3.2.6.2.5: option
      - 3.3.2.6.2.6: parmname
      - 3.3.2.6.2.7: parml
      - 3.3.2.6.2.8: plentry
      - 3.3.2.6.2.9: pt
      - 3.3.2.6.2.10: pd
      - 3.3.2.6.2.11: synph
      - 3.3.2.6.2.12: syntaxdiagram
      - 3.3.2.6.2.13: groupseq
      - 3.3.2.6.2.14: groupchoice
      - 3.3.2.6.2.15: groupcomp
      - 3.3.2.6.2.16: fragment
      - 3.3.2.6.2.17: fragref
      - 3.3.2.6.2.18: synblk
      - 3.3.2.6.2.19: synnote
      - 3.3.2.6.2.20: synnoteref
      - 3.3.2.6.2.21: kwd
      - 3.3.2.6.2.22: var
      - 3.3.2.6.2.23: oper
      - 3.3.2.6.2.24: delim
      - 3.3.2.6.2.25: sep
      - 3.3.2.6.2.26: repsep
    - 3.3.2.6.3: Software elements
      - 3.3.2.6.3.1: msgph
      - 3.3.2.6.3.2: msgblock
      - 3.3.2.6.3.3: msgnum
      - 3.3.2.6.3.4: cmdname
      - 3.3.2.6.3.5: varname
      - 3.3.2.6.3.6: filepath
      - 3.3.2.6.3.7: userinput
      - 3.3.2.6.3.8: systemoutput
    - 3.3.2.6.4: User interface elements
      - 3.3.2.6.4.1: uicontrol
      - 3.3.2.6.4.2: wintitle
      - 3.3.2.6.4.3: menucascade
      - 3.3.2.6.4.4: shortcut
      - 3.3.2.6.4.5: screen
    - 3.3.2.6.5: xNAL domain elements
      - 3.3.2.6.5.1: xNAL usage guidelines
      - 3.3.2.6.5.2: authorinformation
      - 3.3.2.6.5.3: addressdetails
      - 3.3.2.6.5.4: administrativearea
      - 3.3.2.6.5.5: contactnumber
      - 3.3.2.6.5.6: contactnumbers
      - 3.3.2.6.5.7: country
      - 3.3.2.6.5.8: emailaddress
      - 3.3.2.6.5.9: emailaddresses
      - 3.3.2.6.5.10: firstname
      - 3.3.2.6.5.11: generationidentifier
      - 3.3.2.6.5.12: honorific
      - 3.3.2.6.5.13: lastname
      - 3.3.2.6.5.14: locality
      - 3.3.2.6.5.15: localityname
      - 3.3.2.6.5.16: middlename
      - 3.3.2.6.5.17: namedetails
      - 3.3.2.6.5.18: organizationinfo
      - 3.3.2.6.5.19: organizationname
      - 3.3.2.6.5.20: organizationnamedetails
      - 3.3.2.6.5.21: otherinfo
      - 3.3.2.6.5.22: personinfo
      - 3.3.2.6.5.23: personname
      - 3.3.2.6.5.24: postalcode
      - 3.3.2.6.5.25: thoroughfare
      - 3.3.2.6.5.26: url
      - 3.3.2.6.5.27: urls
- 3.3.3: Learning and training elements
  - 3.3.3.1: Learning and training topic elements
    - 3.3.3.1.1: learningOverview
    - 3.3.3.1.2: learningOverviewbody
    - 3.3.3.1.3: learningContent
    - 3.3.3.1.4: learningContentbody
    - 3.3.3.1.5: learningSummary
    - 3.3.3.1.6: learningSummarybody
    - 3.3.3.1.7: learningAssessment
    - 3.3.3.1.8: learningAssessmentbody
    - 3.3.3.1.9: learningPlan
    - 3.3.3.1.10: learningPlanbody
    - 3.3.3.1.11: learningBase
    - 3.3.3.1.12: learningBasebody
  - 3.3.3.2: Learning and training map domain elements
    - 3.3.3.2.1: learningGroup
    - 3.3.3.2.2: learningObject
    - 3.3.3.2.3: learningPlanRef
    - 3.3.3.2.4: learningPreAssessmentRef
    - 3.3.3.2.5: learningOverviewRef
    - 3.3.3.2.6: learningContentRef
    - 3.3.3.2.7: learningContentComponentRef
    - 3.3.3.2.8: learningSummaryRef
    - 3.3.3.2.9: learningPostAssessmentRef
  - 3.3.3.3: Learning and training interactions domain elements
    - 3.3.3.3.1: lcInstructornote
    - 3.3.3.3.2: DITA learning interaction base domain elements
      - 3.3.3.3.2.1: lcInteractionBase
      - 3.3.3.3.2.2: lcQuestionBase
      - 3.3.3.3.2.3: lcOpenQuestion
      - 3.3.3.3.2.4: lcTrueFalse
      - 3.3.3.3.2.5: lcSingleSelect
      - 3.3.3.3.2.6: lcMultipleSelect
      - 3.3.3.3.2.7: lcSequencing
      - 3.3.3.3.2.8: lcMatching
      - 3.3.3.3.2.9: lcHotspot
  - 3.3.3.4: Learning and training metadata elements
    - 3.3.3.4.1: lcLom
    - 3.3.3.4.2: lomAggregationLevel
    - 3.3.3.4.3: lomContext
    - 3.3.3.4.4: lomCoverage
    - 3.3.3.4.5: lomDifficulty
    - 3.3.3.4.6: lomInstallationRemarks
    - 3.3.3.4.7: lomIntendedUserRole
    - 3.3.3.4.8: lomInteractivityLevel
    - 3.3.3.4.9: lomInteractivityType
    - 3.3.3.4.10: lomLearningResourceType
    - 3.3.3.4.11: lomOtherPlatformRequirements
    - 3.3.3.4.12: lomSemanticDensity
    - 3.3.3.4.13: lomStructure
    - 3.3.3.4.14: lomTechRequirement
    - 3.3.3.4.15: lomTypicalAgeRange
    - 3.3.3.4.16: lomTypicalLearningTime
  - 3.3.3.5: Other learning and training elements
    - 3.3.3.5.1: Common learning interactions elements
      - 3.3.3.5.1.1: lcAnswerContent
      - 3.3.3.5.1.2: lcAnswerOption
      - 3.3.3.5.1.3: lcAnswerOptionGroup
      - 3.3.3.5.1.4: lcArea
      - 3.3.3.5.1.5: lcAreaCoords
      - 3.3.3.5.1.6: lcAreaShape
      - 3.3.3.5.1.7: lcAsset
      - 3.3.3.5.1.8: lcCorrectResponse
      - 3.3.3.5.1.9: lcFeedback
      - 3.3.3.5.1.10: lcFeedbackCorrect
      - 3.3.3.5.1.11: lcFeedbackIncorrect
      - 3.3.3.5.1.12: lcHotspotMap
      - 3.3.3.5.1.13: lcItem
      - 3.3.3.5.1.14: lcMatchingHeader
      - 3.3.3.5.1.15: lcMatchingItem
      - 3.3.3.5.1.16: lcMatchingItemFeedback
      - 3.3.3.5.1.17: lcMatchingPair
      - 3.3.3.5.1.18: lcMatchTable
      - 3.3.3.5.1.19: lcOpenAnswer
      - 3.3.3.5.1.20: lcQuestion
      - 3.3.3.5.1.21: lcSequence
      - 3.3.3.5.1.22: lcSequenceOption
      - 3.3.3.5.1.23: lcSequenceOptionGroup
    - 3.3.3.5.2: Common learning content elements
      - 3.3.3.5.2.1: lcAge
      - 3.3.3.5.2.2: lcAssessment
      - 3.3.3.5.2.3: lcAttitude
      - 3.3.3.5.2.4: lcAudience
      - 3.3.3.5.2.5: lcBackground
      - 3.3.3.5.2.6: lcChallenge
      - 3.3.3.5.2.7: lcCIN
      - 3.3.3.5.2.8: lcClassroom
      - 3.3.3.5.2.9: lcClient
      - 3.3.3.5.2.10: lcConstraints
      - 3.3.3.5.2.11: lcDelivDate
      - 3.3.3.5.2.12: lcDelivery
      - 3.3.3.5.2.13: lcDownloadTime
      - 3.3.3.5.2.14: lcDuration
      - 3.3.3.5.2.15: lcEdLevel
      - 3.3.3.5.2.16: lcFileSizeLimitations
      - 3.3.3.5.2.17: lcGapAnalysis
      - 3.3.3.5.2.18: lcGapItem
      - 3.3.3.5.2.19: lcGapItemDelta
      - 3.3.3.5.2.20: lcGeneralDescription
      - 3.3.3.5.2.21: lcGoals
      - 3.3.3.5.2.22: lcGraphics
      - 3.3.3.5.2.23: lcHandouts
      - 3.3.3.5.2.24: lcInstruction
      - 3.3.3.5.2.25: lcInteraction
      - 3.3.3.5.2.26: lcIntervention
      - 3.3.3.5.2.27: lcInterventionItem
      - 3.3.3.5.2.28: lcIntro
      - 3.3.3.5.2.29: lcJtaItem
      - 3.3.3.5.2.30: lcKnowledge
      - 3.3.3.5.2.31: lcLearnStrat
      - 3.3.3.5.2.32: lcLMS
      - 3.3.3.5.2.33: lcModDate
      - 3.3.3.5.2.34: lcMotivation
      - 3.3.3.5.2.35: lcNeeds
      - 3.3.3.5.2.36: lcNeedsAnalysis
      - 3.3.3.5.2.37: lcNextSteps
      - 3.3.3.5.2.38: lcNoLMS
      - 3.3.3.5.2.39: lcObjective
      - 3.3.3.5.2.40: lcObjectives
      - 3.3.3.5.2.41: lcObjectivesGroup
      - 3.3.3.5.2.42: lcObjectivesStem
      - 3.3.3.5.2.43: lcOJT
      - 3.3.3.5.2.44: lcOrganizational
      - 3.3.3.5.2.45: lcOrgConstraints
      - 3.3.3.5.2.46: lcPlanAudience
      - 3.3.3.5.2.47: lcPlanDescrip
      - 3.3.3.5.2.48: lcPlanObjective
      - 3.3.3.5.2.49: lcPlanPrereqs
      - 3.3.3.5.2.50: lcPlanResources
      - 3.3.3.5.2.51: lcPlanSubject
      - 3.3.3.5.2.52: lcPlanTitle
      - 3.3.3.5.2.53: lcPlayers
      - 3.3.3.5.2.54: lcPrereqs
      - 3.3.3.5.2.55: lcProcesses
      - 3.3.3.5.2.56: lcProject
      - 3.3.3.5.2.57: lcResolution
      - 3.3.3.5.2.58: lcResources
      - 3.3.3.5.2.59: lcReview
      - 3.3.3.5.2.60: lcSecurity
      - 3.3.3.5.2.61: lcSkills
      - 3.3.3.5.2.62: lcSpecChars
      - 3.3.3.5.2.63: lcSummary
      - 3.3.3.5.2.64: lcTask
      - 3.3.3.5.2.65: lcTaskItem
      - 3.3.3.5.2.66: lcTechnical
      - 3.3.3.5.2.67: lcTime
      - 3.3.3.5.2.68: lcValues
      - 3.3.3.5.2.69: lcViewers
      - 3.3.3.5.2.70: lcW3C
      - 3.3.3.5.2.71: lcWorkEnv
      - 3.3.3.5.2.72: lcWorkEnvDescription
- 3.3.4: Attributes
  - 3.3.4.1: Commonly referenced attribute groups
    - 3.3.4.1.1: display-atts attribute group
    - 3.3.4.1.2: global-atts attribute group
    - 3.3.4.1.3: univ-atts attribute group
    - 3.3.4.1.4: id-atts attribute group
    - 3.3.4.1.5: select-atts attribute group
    - 3.3.4.1.6: localization-atts attribute group
    - 3.3.4.1.7: relational-atts attribute group
      - 3.3.4.1.7.1: rel-atts attribute group
    - 3.3.4.1.8: topicref-atts, topicref-atts-no-toc, and topicref-atts-without-format attribute groups
    - 3.3.4.1.9: Other common DITA attributes
  - 3.3.4.2: Complex attribute definitions
    - 3.3.4.2.1: The href attribute
    - 3.3.4.2.2: The keys attribute
    - 3.3.4.2.3: The keyref attribute
    - 3.3.4.2.4: The conref attribute
      - 3.3.4.2.4.1: Using the -dita-use-conref-target value
    - 3.3.4.2.5: The conaction attribute
    - 3.3.4.2.6: The conrefend attribute
    - 3.3.4.2.7: The conkeyref attribute
    - 3.3.4.2.8: The type attribute
    - 3.3.4.2.9: The format attribute
    - 3.3.4.2.10: The scope attribute
    - 3.3.4.2.11: The role attribute
- 3.3.5: Element quick reference
  - 3.3.5.1: Base DITA elements, A to Z
  - 3.3.5.2: Technical content elements, A to Z
  - 3.3.5.3: Learning and training elements, A to Z
  - 3.3.5.4: All DITA 1.2 elements, A to Z
Chapter 4: Conformance
Appendix A: Acknowledgments
Appendix B: Non-normative information
- B.6.1 Changes from previous versions
  - Changes from DITA 1.1 to DITA 1.2
  - Changes from DITA 1.0 to DITA 1.1
- B.6.2 Migrating from DITA 1.1 to 1.2
- B.6.3 DITA MIME type
- B.6.4 Considerations for generalizing <foreign> elements
- B.6.5 Element-by-element recommendations for translators
- B.6.6 DITA module and shell implementation reference
- B.6.7 DTD organization
- B.6.8 XML schema organization
- B.6.9 Processing component modularization and naming conventions
- B.6.10 Processing interoperability considerations
- B.6.11 Specialization design, customization, and the limits of specialization

Domain elements

Domains in this section include those generally associated with technical content, such as the programming and software domains.

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