| DocBook: The Definitive Guide Version 2.0.8 (Alpha)

# subtitle

$Revision: 1.3 $

$Date: 2002/06/12 11:18:37 $

subtitle — The subtitle of a document

## Synopsis

### Mixed Content Model

    subtitle ::=
    (#PCDATA|footnoteref|xref|abbrev|acronym|citation|citerefentry|
     citetitle|emphasis|firstterm|foreignphrase|glossterm|footnote|
     phrase|quote|trademark|wordasword|personname|link|olink|ulink|
     action|application|classname|methodname|interfacename|
     exceptionname|ooclass|oointerface|ooexception|command|
     computeroutput|database|email|envar|errorcode|errorname|
     errortype|errortext|filename|function|guibutton|guiicon|guilabel|
     guimenu|guimenuitem|guisubmenu|hardware|interface|keycap|keycode|
     keycombo|keysym|literal|constant|markup|medialabel|menuchoice|
     mousebutton|option|optional|parameter|prompt|property|
     replaceable|returnvalue|sgmltag|structfield|structname|symbol|
     systemitem|token|type|userinput|varname|nonterminal|anchor|
     author|authorinitials|corpauthor|modespec|othercredit|
     productname|productnumber|revhistory|remark|subscript|
     superscript|inlinegraphic|inlinemediaobject|inlineequation|
     indexterm)*

### Attributes

Common attributes

## Description

A `Subtitle` identifies the subtitle of a document, or portion of a document.

### Processing expectations

Formatted as a displayed block.

### Parents

These elements contain subtitle: `appendix`, `appendixinfo`, `article`, `articleinfo`, `bibliodiv`, `biblioentry`, `bibliography`, `bibliographyinfo`, `bibliomixed`, `bibliomset`, `biblioset`, `blockinfo`, `book`, `bookinfo`, `chapter`, `chapterinfo`, `colophon`, `dedication`, `glossary`, `glossaryinfo`, `glossdiv`, `index`, `indexdiv`, `indexinfo`, `lot`, `objectinfo`, `part`, `partinfo`, `partintro`, `preface`, `prefaceinfo`, `refentryinfo`, `reference`, `referenceinfo`, `refsect1`, `refsect1info`, `refsect2`, `refsect2info`, `refsect3`, `refsect3info`, `refsection`, `refsectioninfo`, `refsynopsisdiv`, `refsynopsisdivinfo`, `sect1`, `sect1info`, `sect2`, `sect2info`, `sect3`, `sect3info`, `sect4`, `sect4info`, `sect5`, `sect5info`, `section`, `sectioninfo`, `set`, `setindex`, `setindexinfo`, `setinfo`, `sidebarinfo`, `simplesect`, `toc`.

### Children

The following elements occur in subtitle: `abbrev`, `acronym`, `action`, `anchor`, `application`, `author`, `authorinitials`, `citation`, `citerefentry`, `citetitle`, `classname`, `command`, `computeroutput`, `constant`, `corpauthor`, `database`, `email`, `emphasis`, `envar`, `errorcode`, `errorname`, `errortext`, `errortype`, `exceptionname`, `filename`, `firstterm`, `footnote`, `footnoteref`, `foreignphrase`, `function`, `glossterm`, `guibutton`, `guiicon`, `guilabel`, `guimenu`, `guimenuitem`, `guisubmenu`, `hardware`, `indexterm`, `inlineequation`, `inlinegraphic`, `inlinemediaobject`, `interface`, `interfacename`, `keycap`, `keycode`, `keycombo`, `keysym`, `link`, `literal`, `markup`, `medialabel`, `menuchoice`, `methodname`, `modespec`, `mousebutton`, `nonterminal`, `olink`, `ooclass`, `ooexception`, `oointerface`, `option`, `optional`, `othercredit`, `parameter`, `personname`, `phrase`, `productname`, `productnumber`, `prompt`, `property`, `quote`, `remark`, `replaceable`, `returnvalue`, `revhistory`, `sgmltag`, `structfield`, `structname`, `subscript`, `superscript`, `symbol`, `systemitem`, `token`, `trademark`, `type`, `ulink`, `userinput`, `varname`, `wordasword`, `xref`.

## See Also

`title`, `titleabbrev`.

## Examples

For examples, see `bibliography`, `sect1info`, `section`.

substeps |  | superscript

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