| DocBook: The Definitive Guide 2.0.17 (Alpha)

# `%*.class;` Parameter Entities

`%*.class;` Parameter Entities — Parameter entities which define the DocBook classes

## Synopsis

Classes group elements of a similar type, for example all the lists are in the `%list.class;`

If you want to add a new kind of something (a new kind of list or a new kind of verbatim environment, for example), you generally want to add the name of the new element to the appropriate class.

## Description

The following sections identify all of the class parameter entities in DocBook.

### %admon.class;

Parameter entity content:

    caution|important|note|tip|warning

### %appendix.class;

Parameter entity content:

    appendix

%appendix.class; appears in:

%appendix.class; appears in:
`article` | `book` |

### %article.class;

Parameter entity content:

    article

%article.class; appears in:

%article.class; appears in:
`book` |  |

### %base.char.class;

Parameter entity content:

    anchor

%base.char.class; appears in:

%base.char.class; appears in:
`replaceable` | `subscript` | `superscript`
`trademark` |  |

### %biblio.class.attrib;

Parameter entity content:

Name | Type | Default

class

Enumerated:

uri
doi
isbn
isrn
issn
libraryofcongress
pubnumber
other

None

otherclass | CDATA | None

%biblio.class.attrib; appears in:

%biblio.class.attrib; appears in:
`biblioid` | `bibliorelation` | `bibliosource`
`citebiblioid` |  |

### %book.class;

Parameter entity content:

    book

%book.class; appears in:

%book.class; appears in:
`set` |  |

### %chapter.class;

Parameter entity content:

    chapter

%chapter.class; appears in:

%chapter.class; appears in:
`book` |  |

### %compound.class;

Parameter entity content:

    msgset|procedure|sidebar|qandaset|task
                     |productionset|constraintdef

### %descobj.class;

Parameter entity content:

    abstract|authorblurb|epigraph

### %docinfo.char.class;

Parameter entity content:

    author|authorinitials|corpauthor|corpcredit|modespec|othercredit
    		|productname|productnumber|revhistory

### %formal.class;

Parameter entity content:

    equation|example|figure|table

### %gen.char.class;

Parameter entity content:

    abbrev|acronym|citation|citerefentry|citetitle|citebiblioid|emphasis
    		|firstterm|foreignphrase|glossterm|termdef|footnote|phrase
    		|orgname|quote|trademark|wordasword
    		|personname

### %genobj.class;

Parameter entity content:

    anchor|bridgehead|remark|highlights

### %index.class;

Parameter entity content:

    index|setindex

%index.class; appears in:

%index.class; appears in:
`book` |  |

### %info.class;

Parameter entity content:

    graphic | mediaobject | legalnotice | modespec
    		 | subjectset | keywordset | itermset | abbrev|abstract|address|artpagenums|author
    		|authorgroup|authorinitials|bibliomisc|biblioset
    		|collab|confgroup|contractnum|contractsponsor
    		|copyright|corpauthor|corpname|corpcredit|date|edition
    		|editor|invpartnumber|isbn|issn|issuenum|orgname
    		|biblioid|citebiblioid|bibliosource|bibliorelation|bibliocoverage
    		|othercredit|pagenums|printhistory|productname
    		|productnumber|pubdate|publisher|publishername
    		|pubsnumber|releaseinfo|revhistory|seriesvolnums
    		|subtitle|title|titleabbrev|volumenum|citetitle
    		|personname|honorific|firstname|surname|lineage|othername|affiliation
    		|authorblurb|contrib
    		|indexterm

%info.class; appears in:

%info.class; appears in:
`appendixinfo` | `articleinfo` | `bibliographyinfo`
`blockinfo` | `bookinfo` | `chapterinfo`
`glossaryinfo` | `indexinfo` | `objectinfo`
`partinfo` | `prefaceinfo` | `refentryinfo`
`referenceinfo` | `refsect1info` | `refsect2info`
`refsect3info` | `refsectioninfo` | `refsynopsisdivinfo`
`sect1info` | `sect2info` | `sect3info`
`sect4info` | `sect5info` | `sectioninfo`
`setindexinfo` | `setinfo` | `sidebarinfo`

### %informal.class;

Parameter entity content:

    address|blockquote
                    |graphic|graphicco|mediaobject|mediaobjectco
                    |informalequation
    		|informalexample
                    |informalfigure
                    |informaltable

### %inlineobj.char.class;

Parameter entity content:

    inlinegraphic|inlinemediaobject|inlineequation

### %linespecific.class;

Parameter entity content:

    literallayout|programlisting|programlistingco|screen
    		|screenco|screenshot

### %link.char.class;

Parameter entity content:

    link|olink|ulink

%link.char.class; appears in:

%link.char.class; appears in:
`figure` | `informalfigure` | `refentry`
`refnamediv` | `replaceable` | `subscript`
`superscript` | `trademark` |

### %list.class;

Parameter entity content:

    calloutlist|glosslist|bibliolist|itemizedlist|orderedlist|segmentedlist
    		|simplelist|variablelist

### %method.synop.class;

Parameter entity content:

    constructorsynopsis
                     |destructorsynopsis
                     |methodsynopsis

%method.synop.class; appears in:

%method.synop.class; appears in:
`classsynopsis` |  |

### %nav.class;

Parameter entity content:

    toc|lot|index|glossary|bibliography

%nav.class; appears in:

%nav.class; appears in:
`appendix` | `article` | `chapter`
`preface` | `sect1` | `sect2`
`sect3` | `sect4` | `sect5`
`section` |  |

### %ndxterm.class;

Parameter entity content:

    indexterm

%ndxterm.class; appears in:

%ndxterm.class; appears in:
`formalpara` | `glossentry` | `refentry`
`refmeta` | `task` |

### %notation.class;

Parameter entity content:

    BMP| CGM-CHAR | CGM-BINARY | CGM-CLEAR | DITROFF | DVI
    		| EPS | EQN | FAX | GIF | GIF87a | GIF89a
    		| JPG | JPEG | IGES | PCX
    		| PIC | PNG | PS | SGML | TBL | TEX | TIFF | WMF | WPG
                    | SVG | PDF | SWF
    		| linespecific

%notation.class; appears in:

%notation.class; appears in:
`modespec` |  |

### %other.char.class;

Parameter entity content:

    remark|subscript|superscript

%other.char.class; appears in:

%other.char.class; appears in:
`replaceable` | `subscript` | `superscript`
`trademark` |  |

### %para.class;

Parameter entity content:

    formalpara|para|simpara

%para.class; appears in:

%para.class; appears in:
`abstract` | `authorblurb` | `epigraph`
`personblurb` | `printhistory` |

### %refentry.class;

Parameter entity content:

    refentry

%refentry.class; appears in:

%refentry.class; appears in:
`reference` | `sect1` | `sect2`
`sect3` | `sect4` | `sect5`
`section` |  |

### %section.class;

Parameter entity content:

    section

%section.class; appears in:

%section.class; appears in:
`section` |  |

### %synop.class;

Parameter entity content:

    synopsis|cmdsynopsis|funcsynopsis
                     |classsynopsis|fieldsynopsis
                     |constructorsynopsis
                     |destructorsynopsis
                     |methodsynopsis

### %tech.char.class;

Parameter entity content:

    action|application
                    |classname|methodname|interfacename|exceptionname
                    |ooclass|oointerface|ooexception
                    |package
                    |command|computeroutput
    		|database|email|envar|errorcode|errorname|errortype|errortext|filename
    		|function|guibutton|guiicon|guilabel|guimenu|guimenuitem
    		|guisubmenu|hardware|interface|keycap
    		|keycode|keycombo|keysym|literal|code|constant|markup|medialabel
    		|menuchoice|mousebutton|option|optional|parameter
    		|prompt|property|replaceable|returnvalue|sgmltag|structfield
    		|structname|symbol|systemitem|uri|token|type|userinput|varname
                    |nonterminal

%tech.char.class; appears in:

%tech.char.class; appears in:
`trademark` |  |

### %xref.char.class;

Parameter entity content:

    footnoteref|xref|biblioref

CALS Table Model Parameter Entities |  | Content Model Parameter Entities

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