Links

Figure 723. Two different link flavours

Internal document links

Referential integrity by ID / IDREF constraints:

<chapter id="intro">
...
<chapter> ...
See <xref linkend="intro"/> ...

External links

These are “usual” hypertext links:

<para>See
<link href="http://tdg.docbook.org">Docbook</link>
.</para>

exercise No. 1

Docbook allows for defining internal links using pairs of ID / IDREF attributes. See the “Example” section at the bottom of http://tdg.docbook.org/tdg/5.1/link.html.

Use the XMLMind editor to create at least one internal link in your Docbook sample document like:

...
<para> ... see <link linkend="intro">detailed explanation</link>.</para>
...
<chapter xml:id="intro">
...

What happens if the target ID vanishes i.e. by deleting the corresponding chapter?

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