Specify whether to generate a hyperlink to the file.
<p>
When this parameter is selected (<b><code>true</code></b>),
the file location text will be hyperlinked to the actual file.
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When the displayed file 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.