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Version: DocBook V4.5

parameter

parameter — A value or a symbolic reference to a value

Synopsis​

Mixed Content Model​

parameter ::=
(#PCDATA|link|olink|ulink|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|anchor|remark|subscript|
superscript|inlinegraphic|inlinemediaobject|indexterm|beginpage)*

Attributes​

Common attributes

Name

Type

Default

moreinfo

Enumeration:

none

refentry

"none"

class

Enumeration:

command

function

option

None

Description​

A Parameter identifies something passed from one part of a computer system to another. In this regard Parameter is fairly generic, but it may have a more constrained semantic in some contexts (for example in a ParamDef).

In a document that describes more than one kind of parameter, for example, parameters to functions and commands, the Class attribute can be used to distinguish between them, if necessary.

Processing expectations​

Formatted inline. The MoreInfo attribute can help generate a link or query to retrieve additional information.

Future Changes​

In DocBook V4.0, the content model of Parameter will be constrained to (#PCDATA | Replaceable | InlineGraphic).

Attributes​

class

Class indicates the type of Parameter.

moreinfo

If MoreInfo is set to RefEntry, it implies that a RefEntry exists which further describes the Parameter.

Examples​

<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<para>
Using the <parameter class='command'>/w</parameter> parameter on the
DOS <command>dir</command> command prints a wide directory listing.
</para>

Using the /w parameter on the DOS dir command prints a wide directory listing.

For additional examples, see also funcparams, funcsynopsis, paramdef, refentry.