TYPE_SYSTEM</H3>
<PRE>
public static final java.lang.String <B>DOCTYPE_SYSTEM</B></PRE>
<DL>
<DD>doctype-system = <var>string</var>.
 <p><code>doctype-system</code> specifies the system identifier
 to be used in the document type declaration.</p>
 <p>If the doctype-system property is specified, the xml output method
 should output a document type declaration immediately before the first
 element. The name following &lt;!DOCTYPE should be the name of the first
 element. If doctype-public property is also spe