DocBook: The Definitive Guide By Norman Walsh & Leonard Muellner 1st Edition October 1999 1-56592-580-7, Order Number: 5807 652 pages, $36.95 , Includes CD-ROM

DocBook: The Definitive Guide
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CO

Name

CO -- The location of a callout embedded in text

Synopsis

Content Model

CO ::=
EMPTY

Attributes

Common attributes

Name	Type	Default
Label	CDATA	None
Linkends	IDREFS	None

Tag Minimization

The start-tag is required for this element. The end-tag is optional, if your SGML declaration allows minimization.

Parameter Entities

%programlisting.content;

%screen.content;

Description

A CO identifies (by its location) a point of reference for a callout. See Callout.

Processing expectations

Formatted inline. This element provides data for processing, but is not expected to be rendered directly.

Parents

These elements contain CO: ProgramListing, Screen.

Children

In some contexts, the following elements are allowed anywhere: BeginPage, IndexTerm.

Attributes

Label

Label specifies an identifying number or string that may be used in presentation.

Linkends

Linkends points to the Callout(s) which refer to this CO. (This provides bidirectional linking, which may be useful in online presentation, for example.)

See Also

AreaSpec, CalloutList, GraphicCO, ImageObjectCO, MediaObjectCO, ProgramListingCO, ScreenCO

Examples

For examples, see ScreenCO.

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