tracing information to the standard error output. Also
switches line numbering on for the source document.</td></tr>

<tr><td valign="top">-TL classname</td>
<td>Run the stylesheet using the specified TraceListener. The classname names a user-defined
class, which must implement com.icl.saxon.trace.TraceListener</td></tr>

<tr><td valign="top">-u</td>
<td>Indicates that the names of the source document and the style document are URLs;
otherwise they are taken as filenames, unless they start with "ht