Specify whether to generate a hyperlink to the schema file.
<p>
When this parameter is selected (<b><code>true</code></b>),
the schema location text will be hyperlinked to the actual schema file.
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When the displayed schema location is a relative pathname, the hyperlink is generated relatively
to the location of the given document file. 
Otherwise, the hyperlink is generated to an absolute URL either on the local system or remote one.