DocBook 5.1: The Definitive Guide  (Version 1.5.3 for DocBook 5.1)

co

co — The location of a callout embedded in text.

Synopsis

co ::=

  • empty

Attributes

Common attributes (ID required).

Additional attributes:

  • label

Required attributes are shown in bold.

Description

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

Processing expectations

Formatted inline.

Attributes

Common attributes (ID required).

label

Specifies an identifying string for presentation purposes

Examples

<article xmlns='http://docbook.org/ns/docbook' version="5.0">
<title>Example co</title>

<informalexample>
<screen> Volume in drive C is SYSTEM         Serial number is 2350:717C
 Directory of  C:\

10/17/97   9:04         &lt;DIR>    bin
10/16/97  14:11         &lt;DIR>    DOS            <co xml:id="co.dos"/>
10/16/97  14:40         &lt;DIR>    Program Files
10/16/97  14:46         &lt;DIR>    TEMP
10/17/97   9:04         &lt;DIR>    tmp
10/16/97  14:37         &lt;DIR>    WINNT
10/16/97  14:25             119  AUTOEXEC.BAT   <co xml:id="co.autoexec.bat"/>
 2/13/94   6:21          54,619  COMMAND.COM    <co xml:id="co.command.com"/>
10/16/97  14:25             115  CONFIG.SYS     <co xml:id="co.config.sys"/>
11/16/97  17:17      61,865,984  pagefile.sys
 2/13/94   6:21           9,349  WINA20.386     <co xml:id="co.wina20.386"/></screen>
<calloutlist>
<callout arearefs="co.dos">
<para>This directory holds <trademark>MS-DOS</trademark>, the
operating system that was installed before <trademark>Windows
NT</trademark>.
</para>
</callout>

<callout arearefs="co.autoexec.bat co.command.com co.config.sys">
<para>System startup code for DOS.
</para>
</callout>

<callout arearefs="co.wina20.386">
<para>Some sort of <trademark>Windows 3.1</trademark> hack for some
386 processors, as I recall.
</para>
</callout>
</calloutlist>
</informalexample>

</article>

 Volume in drive C is SYSTEM         Serial number is 2350:717C
 Directory of  C:\

10/17/97   9:04         <DIR>    bin
10/16/97  14:11         <DIR>    DOS            ❸
10/16/97  14:40         <DIR>    Program Files
10/16/97  14:46         <DIR>    TEMP
10/17/97   9:04         <DIR>    tmp
10/16/97  14:37         <DIR>    WINNT
10/16/97  14:25             119  AUTOEXEC.BAT   ❹
 2/13/94   6:21          54,619  COMMAND.COM    ❺
10/16/97  14:25             115  CONFIG.SYS     ❻
11/16/97  17:17      61,865,984  pagefile.sys
 2/13/94   6:21           9,349  WINA20.386     ❼
❸ 

This directory holds MS-DOS™, the operating system that was installed before Windows NT™.

❹ ❺ ❻ 

System startup code for DOS.

❼ 

Some sort of Windows 3.1™ hack for some 386 processors, as I recall.

Compare this example with the example for screenco.