ble>

<tr><td valign="top" width="25%">-a</dt>
<td>Use the xml-stylesheet processing instruction in the source document
to identify the stylesheet to be used. The style-doc argument should be omitted.
Stylesheets embedded within the source document are not supported at this release.</td></tr>

<tr><td valign="top">-ds | -dt</td>
<td>Selects the implementation of the internal tree model. -dt selects the "tinytree"
model (the default). -ds selects the traditional tree model.</td></tr>

<tr><td vali