Any element from any namespace except the DocBook namespace
Designates the computer or chip architecture to which the element applies provides a standard place for application-specific effectivity Indicates standards conformance characteristics of the element Indicates the operating system to which the element is applicable Indicates the editorial revision to which the element belongs Indicates something about the security level associated with the element to which it applies Indicates the level of user experience for which the element applies Indicates the computer vendor to which the element applies. Indicates the word size (width in bits) of the computer architecture to which the element applies Points to an internal link target by identifying the value of its xml:id attribute Points to one or more internal link targets by identifying the value of their xml:id attributes Identifies a link target with a URI Identifies the element as an XLink simple link simple Identifies the XLink role of the link Identifies the XLink arcrole of the link Identifies the XLink title of the link new An application traversing to the ending resource should load it in a new window, frame, pane, or other relevant presentation context. replace An application traversing to the ending resource should load the resource in the same window, frame, pane, or other relevant presentation context in which the starting resource was loaded. embed An application traversing to the ending resource should load its presentation in place of the presentation of the starting resource. other The behavior of an application traversing to the ending resource is unconstrained by XLink. The application should look for other markup present in the link to determine the appropriate behavior. none The behavior of an application traversing to the ending resource is unconstrained by this specification. No other markup is present to help the application determine the appropriate behavior. Identifies the XLink show behavior of the link onLoad An application should traverse to the ending resource immediately on loading the starting resource. onRequest An application should traverse from the starting resource to the ending resource only on a post-loading event triggered for the purpose of traversal. other The behavior of an application traversing to the ending resource is unconstrained by this specification. The application should look for other markup present in the link to determine the appropriate behavior. none The behavior of an application traversing to the ending resource is unconstrained by this specification. No other markup is present to help the application determine the appropriate behavior. Identifies the XLink actuate behavior of the link Identifies the unique ID value of the element Specifies the DocBook version of the element and its descendants Specifies the natural language of the element and its descendants Specifies the base URI of the element and its descendants Provides the name or similar semantic identifier assigned to the content in some previous markup scheme Provides the text that is to be generated for a cross reference to the element changed The element has been changed. added The element is new (has been added to the document). deleted The element has been deleted. off Explicitly turns off revision markup for this element. Identifies the revision status of the element ltr Left-to-right text rtl Right-to-left text lro Left-to-right override rlo Right-to-left override Identifies the direction of text in an element Specifies the format of the data Indentifies the location of the data by URI Identifies the location of the data by external identifier (entity name) continues Line numbering continues from the immediately preceding element with the same name. restarts Line numbering restarts (begins at 1, usually). Determines whether line numbering continues from the previous element or restarts. numbered Lines are numbered. unnumbered Lines are not numbered. Determines whether lines are numbered. Specifies the initial line number. Identifies the language (i.e. programming language) of the verbatim content. Can be used to indicate explicitly that whitespace in the verbatim environment is preserved. Whitespace must always be preserved in verbatim environments whether this attribute is specified or not. preserve Whitespace must be preserved. compact The spacing should be "compact". normal The spacing should be "normal". Specifies (a hint about) the spacing of the content 0 The element should be rendered in the current text flow (with the flow column width). 1 The element should be rendered across the full text page. Indicates if the element is rendered across the column or the page Identifies the language (i.e. programming language) of the content. optional The content describes an optional step or steps. required The content describes a required step or steps. Specifies if the content is required or optional. Specifies style information to be used when rendering the float center Centered horizontally char Aligned horizontally on the specified character justify Fully justified (left and right margins or edges) left Left aligned right Right aligned bottom Aligned on the bottom of the region middle Centered vertically top Aligned on the top of the region doi A document object identifier. isbn An international standard book number. isrn An international standard technical report number (ISO 10444). issn An international standard serial number. libraryofcongress A Library of Congress reference number. pubnumber A publication number (an internal number or possibly organizational standard). uri A Uniform Resource Identifier Identifies the kind of bibliographic identifier Provides an identifier for elements with the class 'other' other
The text of the title of a section of a document or of a formal block-level element
The abbreviation of a Title
The subtitle of a document
A wrapper for information about a component or other block
A wrapper for information about a component or other block with a required title
A wrapper for information about a component or other block with only a title
A wrapper for information about a component or other block with only a required title
A wrapper for information about a component or other block without a title
A set of terms describing the subject matter of a document
One of a group of terms describing the subject matter of a document
A term in a group of terms describing the subject matter of a document
A set of keywords describing the content of a document
One of a set of keywords describing the content of a document
A list of operations to be performed in a well-defined sequence
A unit of action in a procedure
Alternative steps in a procedure
A wrapper for steps that occur within steps in a procedure
A portion of a document that is isolated from the main narrative flow sidebar must not occur in the descendants of sidebar
A summary
A short description or note about a person
A quotation set off from the main text
The source of a block quote or epigraph
other sect1 sect2 sect3 sect4 sect5 A free-floating heading
A remark (or comment) intended for presentation in a draft manuscript
A short inscription at the beginning of a document or component
A footnote footnote must not occur in the descendants of footnote example must not occur in the descendants of footnote figure must not occur in the descendants of footnote table must not occur in the descendants of footnote table must not occur in the descendants of footnote caution must not occur in the descendants of footnote important must not occur in the descendants of footnote note must not occur in the descendants of footnote tip must not occur in the descendants of footnote warning must not occur in the descendants of footnote indexterm must not occur in the descendants of footnote indexterm must not occur in the descendants of footnote indexterm must not occur in the descendants of footnote sidebar must not occur in the descendants of footnote task must not occur in the descendants of footnote epigraph must not occur in the descendants of footnote
A paragraph with a title
A paragraph The root element must have a version attribute.
A paragraph that contains only text and inline markup, no block elements
A note of caution caution must not occur in the descendants of caution important must not occur in the descendants of caution note must not occur in the descendants of caution tip must not occur in the descendants of caution warning must not occur in the descendants of caution
An admonition set off from the text caution must not occur in the descendants of important important must not occur in the descendants of important note must not occur in the descendants of important tip must not occur in the descendants of important warning must not occur in the descendants of important
A message set off from the text caution must not occur in the descendants of note important must not occur in the descendants of note note must not occur in the descendants of note tip must not occur in the descendants of note warning must not occur in the descendants of note
A suggestion to the user, set off from the text caution must not occur in the descendants of tip important must not occur in the descendants of tip note must not occur in the descendants of tip tip must not occur in the descendants of tip warning must not occur in the descendants of tip
An admonition set off from the text caution must not occur in the descendants of warning important must not occur in the descendants of warning note must not occur in the descendants of warning tip must not occur in the descendants of warning warning must not occur in the descendants of warning
A list in which each entry is marked with a bullet or other dingbat
continues restarts ignore inherit arabic upperalpha loweralpha upperroman lowerroman A list in which each entry is marked with a sequentially incremented label
A wrapper for the elements of a list item
A segmented list, a list of sets of elements
The title of an element of a list item in a segmented list
A list item in a segmented list The number of seg elements must be the same as the number of segtitle elements in the parent segmentedlist
An element of a list item in a segmented list
horiz vert inline An undecorated list of single words or short phrases
An element of a simple list
A list in which each entry is composed of a set of one or more terms and an associated description
A wrapper for a set of terms and the associated description in a variable list
The word or phrase being defined or described in a variable list
A formal example, with a title example must not occur in the descendants of example figure must not occur in the descendants of example table must not occur in the descendants of example table must not occur in the descendants of example caution must not occur in the descendants of example important must not occur in the descendants of example note must not occur in the descendants of example tip must not occur in the descendants of example warning must not occur in the descendants of example
A displayed example without a title
A literal listing of all or part of a program
monospaced normal A block of text in which line breaks and white space are to be reproduced faithfully
Specifies the width (in characters) of the longest line (formatters may use this value to determine scaling or rotation). Text that a user sees or might see on a computer screen
A representation of what the user sees or might see on a computer screen
A formal figure, generally an illustration, with a title example must not occur in the descendants of figure figure must not occur in the descendants of figure table must not occur in the descendants of figure table must not occur in the descendants of figure caution must not occur in the descendants of figure important must not occur in the descendants of figure note must not occur in the descendants of figure tip must not occur in the descendants of figure warning must not occur in the descendants of figure
A untitled figure
A displayed media object (video, audio, image, etc.)
An inline media object (video, audio, image, and so on)
A wrapper for video data and its associated meta-information
A wrapper for audio data and its associated meta-information
A wrapper for image data and its associated meta-information
A wrapper for a text description of an object and its associated meta-information
0 1 Pointer to external video data
Pointer to external audio data
0 1 Pointer to external image data
Pointer to external text data
A caption example must not occur in the descendants of caption figure must not occur in the descendants of caption table must not occur in the descendants of caption table must not occur in the descendants of caption caution must not occur in the descendants of caption important must not occur in the descendants of caption note must not occur in the descendants of caption tip must not occur in the descendants of caption warning must not occur in the descendants of caption sidebar must not occur in the descendants of caption task must not occur in the descendants of caption
A general-purpose element for representing the syntax of commands or functions
A syntax summary for a software command
norepeat repeat opt plain req
An argument in a CmdSynopsis
A group of elements in a CmdSynopsis
An explicit line break in a command synopsis
A portion of a CmdSynopsis broken out from the main body of the synopsis
A reference to a fragment of a command synopsis @linkend on synopfragmentref must point to a synopfragment.
The syntax summary for a function definition
Information supplementing the FuncDefs of a FuncSynopsis
The prototype of a function
A function (subroutine) name and its return type
An empty element in a function synopsis indicating that the function in question takes no arguments
An empty element in a function synopsis indicating a variable number of arguments
Information about a function parameter in a programming language
Parameters for a function referenced through a function pointer in a synopsis
class interface The syntax summary for a class definition
Information supplementing the contents of a ClassSynopsis
A class in an object-oriented programming language
An interface in an object-oriented programming language
An exception in an object-oriented programming language
Modifiers in a synopsis
The name of an interface
The name of an exception
The name of a field in a class definition
The initializer for a FieldSynopsis
A syntax summary for a constructor
A syntax summary for a destructor
A syntax summary for a method
The name of a method
Parameters to a method
A real-world address, generally a postal address
A street address in an address
A post office box in an address
A postal code in an address
The name of a city in an address
A state or province in an address
The name of a country
A telephone number
A fax number
Uncategorized information in address
The institutional affiliation of an individual
A brief description of an affiliation
The title of an individual in an organization
consortium corporation informal nonprofit other The name of an organization other than a corporation
A division of an organization
The page numbers of an article as published
The personal name of an individual
The name of an individual author
Wrapper for author information when a document has multiple authors or collabarators
Identifies a collaborator
The initials or other short identifier for an author
A wrapper for document meta-information about a conference
The dates of a conference for which a document was written
The title of a conference for which a document was written
An identifier, frequently numerical, associated with a conference for which a document was written
The sponsor of a conference for which a document was written
The contract number of a document
The sponsor of a contract
Copyright information about a document
The year of publication of a document
The name of the individual or organization that holds a copyright
The date of publication or revision of a document
The name or number of an edition of a document
The name of the editor of a document
An identifier for a document
A citation of a bibliographic identifier
The source of a document
hasformat haspart hasversion isformatof ispartof isreferencedby isreplacedby isrequiredby isversionof othertype references replaces requires othertype The relationship of a document to another
dcmipoint iso3166 dcmibox tgn otherspatial dcmiperiod w3c-dtf othertemporal The spatial or temporal coverage of a document
A statement of legal obligations or requirements
copyeditor graphicdesigner other productioneditor technicaleditor translator A person or entity, other than an author or editor, credited in a document
The numbers of the pages in a book, for use in a bibliographic entry
A summary of the contributions made to a document by a credited source
The title of a person
The first name of a person
A family name; in western cultures the last name
The portion of a person's name indicating a relationship to ancestors
A component of a persons name that is not a first name, surname, or lineage
The printing history of a document
copyright registered service trade The formal name of a product
A number assigned to a product
The date of publication of a document
The publisher of a document
The name of the publisher of a document
Information about a particular release of a document
A history of the revisions to a document
An entry describing a single revision in the history of the revisions to a document
A document revision number
A description of a revision to a document
A extended description of a revision to a document
Numbers of the volumes in a series of books
The volume number of a document in a set (as of books in a set or articles in a journal)
The number of an issue of a journal
A graphical user interface (GUI) keyboard shortcut
hardware software The name of a software program
A software or application package
The name of a class, in the object-oriented programming sense
The name of an executable program or other software command
Data, generally text, displayed or presented by a computer
altkey constraint datatype field foreignkey group index key1 key2 name primarykey procedure record rule secondarykey table user view The name of a database, or part of a database
An email address
A software environment variable
An error code
An error name
An error message.
The classification of an error message
devicefile directory extension headerfile libraryfile partition symlink The name of a file
The name of a function or subroutine, as in a programming language
The text on a button in a GUI
Graphic and/or text appearing as a icon in a GUI
The text of a label in a GUI
The name of a menu in a GUI
The name of a terminal menu item in a GUI
The name of a submenu in a GUI
A physical part of a computer system
alt backspace command control delete down end enter escape home insert left meta option pagedown pageup right shift space tab up other The text printed on a key on a keyboard
The internal, frequently numeric, identifier for a key on a keyboard
click double-click press seq simul other A combination of input actions
The symbolic name of a key on a keyboard
A comment on a line in a verbatim listing
Inline text that is some literal value
An inline code fragment
limit A programming or system constant
The name of a variable
A string of formatting markup in text that is to be represented literally
A selection or series of selections from a menu
A key combination for an action that is also accessible through a menu
The conventional name of a mouse button
An option for a software command
Optional information
A unit of data associated with some part of a computer system
command function option A value or a symbolic reference to a value
A character or string indicating the start of an input field in a computer display
command function option parameter Content that may or must be replaced by the user
The value returned by a function
attribute attvalue element emptytag endtag genentity numcharref paramentity pi sgmlcomment starttag xmlpi A component of XML (or SGML) markup
limit A name that is replaced by a value before processing
daemon domainname etheraddress event eventhandler filesystem fqdomainname groupname ipaddress library macro netmask newsgroup osname process protocol resource server service systemname username A system-related item or term
A Uniform Resource Identifier
A unit of information
The classification of a value
Data entered by the user
An abbreviation, especially one followed by a period
An often pronounceable word made from the initial (or selected) letters of a name or phrase
An inline bibliographic reference to another published work
A citation to a reference page
The title of a reference page
A reference volume number
article bbs book cdrom chapter dvd emailmessage gopher journal manuscript newsposting part refentry section series set webpage wiki The title of a cited work
Emphasized text
A limited span of emphasized text
A word or phrase in a language other than the primary language of the document
A span of text
A limited span of text
An inline quotation
A subscript (as in H2O, the molecular formula for water)
A superscript (as in x^2, the mathematical notation for x multiplied by itself)
copyright registered service trade A trademark
A word meant specifically as a word and not representing anything else
A cross reference to a footnote (a footnote mark) @linkend on footnoteref must point to a footnote.
A cross reference to another part of the document
A hypertext link
A link that addresses its target indirectly
A spot in the document
A text-only annotation, often used for accessibility
An annotation annotation must not occur in the descendants of annotation
extended An XLink extended link
locator An XLink locator in an extendedlink
arc new replace embed other onLoad onRequest other none An XLink arc in an extendedlink
Identifies the editorial or publication status of the element on which it occurs Specifies an identifying string for presentation purposes
A collection of books The root element must have a version attribute.
A book The root element must have a version attribute.
A wrapper for the dedication section of a book The root element must have a version attribute.
Text at the back of a book describing facts about its production The root element must have a version attribute.
An appendix in a Book or Article The root element must have a version attribute.
A chapter, as of a book The root element must have a version attribute.
A division in a book The root element must have a version attribute.
Introductory matter preceding the first chapter of a book The root element must have a version attribute.
An introduction to the contents of a part
A recursive section The root element must have a version attribute.
A section of a document with no subdivisions
Acknowledgements in an Article
faq A collection of frequently asked questions. journalarticle An article in a journal or other periodical. productsheet A description of a product. specification A specification. techreport A technical report. whitepaper A white paper. Class identifies the type of article. An article The root element must have a version attribute.
A top-level section of document The root element must have a version attribute.
A subsection within a Sect1 The root element must have a version attribute.
A subsection within a Sect2 The root element must have a version attribute.
A subsection within a Sect3 The root element must have a version attribute.
A subsection within a Sect4 The root element must have a version attribute.
A collection of reference entries The root element must have a version attribute.
A reference page (originally a UNIX man-style reference page) The root element must have a version attribute.
Meta-information for a reference entry
Meta-information for a reference entry other than the title and volume number
The name, purpose, and classification of a reference page
A description of the topic of a reference page
The name of (one of) the subject(s) of a reference page
A short (one sentence) synopsis of the topic of a reference page
The scope or other indication of applicability of a reference entry
A syntactic synopsis of the subject of the reference page
A recursive section in a refentry The root element must have a version attribute.
A major subsection of a reference entry The root element must have a version attribute.
A subsection of a refsect1 The root element must have a version attribute.
A subsection of a refsect2 The root element must have a version attribute.
A wrapper for a list of glossary entries
An entry in a Glossary or GlossList
A definition in a GlossEntry
A cross-reference from one GlossEntry to another @otherterm on glosssee must point to a glossentry.
A cross-reference from one GlossEntry to another @otherterm on glossseealso must point to a glossentry.
The first occurrence of a term @linkend on firstterm must point to a glossentry.
A glossary term @linkend on glossterm must point to a glossentry.
A glossary The root element must have a version attribute.
A division in a Glossary
An inline definition of a term A termdef must contain a glossterm
An entry in a Bibliography
An entry in a Bibliography
A raw container for related bibliographic information
A cooked container for related bibliographic information
Untyped bibliographic information
A bibliography The root element must have a version attribute.
A section of a Bibliography
A wrapper for a list of bibliography entries
A cross-reference to a bibliographic entry
normal preferred all global local
A set of index terms in the meta-information of a document
singular A wrapper for an indexed term
startofrange A wrapper for an indexed term that covers a range
endofrange Identifies the end of a range associated with an indexed term
The primary word or phrase under which an index term should be sorted
A secondary word or phrase in an index term
A tertiary word or phrase in an index term
Part of an index term directing the reader instead to another entry in the index
Part of an index term directing the reader also to another entry in the index
An index to a book or part of a book The root element must have a version attribute.
An index to a set of books The root element must have a version attribute.
A division in an index
An entry in an index
A primary term in an index entry, not in the text
A secondary term in an index entry, rather than in the text
A tertiary term in an index entry, rather than in the text
A See entry in an index, rather than in the text
A See also entry in an index, rather than in the text
A table of contents The root element must have a version attribute.
A division in a table of contents
A component title in a table of contents
A task to be completed
A summary of a task
The prerequisites for a task
Information related to a task
calspair linecolumn linecolumnpair linerange other
A list of callout s
A called out description of a marked Area
A program listing with associated areas used in callouts
A collection of regions in a graphic or code example
A region defined for a Callout in a graphic or code example
A set of related areas in a graphic or code example
A screen with associated areas used in callouts
A wrapper for an image object with callouts
The location of a callout embedded in text
A cross reference to a co
A set of EBNF productions
A production in a set of EBNF productions
The left-hand side of an EBNF production
The right-hand side of an EBNF production
A non-terminal in an EBNF production
A constraint in an EBNF production
A cross-reference to an EBNF production
The definition of a constraint in an EBNF production
Specifies how the table is to be framed all bottom none sides top topbot Specifies the presence or absence of the column separator Specifies the presence or absence of the row separator Specifies the orientation of the table land port Specifies the table style Indicates whether or not the entries in the first column should be considered row headers firstcol norowheader center char justify left right bottom middle top
A wrapper for the main content of a table, or part of a table
Specifications for a column in a table
Formatting information for a spanned column in a table
A table header consisting of one or more rows
A table footer consisting of one or more rows
A wrapper for the rows of a table or informal table
A row in a table
A cell in a table
A subtable appearing in place of an Entry in a table
A table header consisting of one or more rows
A wrapper for the rows of a table or informal table
A row in a table
Indicates if the short or long title should be used in a List of Tables 0 1 Indicates if the table should appear in a List of Tables 0 1 A formal table in a document example must not occur in the descendants of table figure must not occur in the descendants of table table must not occur in the descendants of table table must not occur in the descendants of table caution must not occur in the descendants of table important must not occur in the descendants of table note must not occur in the descendants of table tip must not occur in the descendants of table warning must not occur in the descendants of table table must not occur in the descendants of table informaltable must not occur in the descendants of table
A table without a title
left center right justify char top middle bottom baseline
void above below hsides lhs rhs vsides box border none groups rows cols all A formal table in a document example must not occur in the descendants of table figure must not occur in the descendants of table table must not occur in the descendants of table table must not occur in the descendants of table caution must not occur in the descendants of table important must not occur in the descendants of table note must not occur in the descendants of table tip must not occur in the descendants of table warning must not occur in the descendants of table table must not occur in the descendants of table informaltable must not occur in the descendants of table
void above below hsides lhs rhs vsides box border none groups rows cols all A table without a title
A caption example must not occur in the descendants of caption figure must not occur in the descendants of caption table must not occur in the descendants of caption table must not occur in the descendants of caption caution must not occur in the descendants of caption important must not occur in the descendants of caption note must not occur in the descendants of caption tip must not occur in the descendants of caption warning must not occur in the descendants of caption sidebar must not occur in the descendants of caption task must not occur in the descendants of caption
Specifications for a column in an HTML table
A group of columns in an HTML table
A table header consisting of one or more rows
A table footer consisting of one or more rows
A wrapper for the rows of a table or informal table
A row in an HTML table
A table header entry in an HTML table
A table entry in an HTML table
A detailed set of messages, usually error messages
A wrapper for an entry in a message set
A wrapper for a simpler entry in a message set
A message in a message set
The primary component of a message in a message set
A subcomponent of a message in a message set
A related component of a message in a message set
The actual text of a message component in a message set
Information about a message in a message set
The level of importance or severity of a message in a message set
The origin of a message in a message set
The audience to which a message in a message set is relevant
Explanatory material relating to a message in a message set
none number qanda A question-and-answer set
A titled division in a QandASet
A question/answer set within a QandASet
A question in a QandASet
An answer to a question posed in a QandASet
A label on a Question or Answer
A displayed mathematical equation
A displayed mathematical equation without a title
A mathematical equation or expression occurring inline
A mathematical phrase, an expression that can be represented with ordinary text and a small amount of markup
Any element from the MathML namespace
Any element from the SVG namespace
[^#]+ xml text An XInclude
An XInclude fallback