those used by the underlying JVM,
 and comparisons should be case-insensitive.<DD><DL>
<DT><B>Specified by: </B><DD><CODE>getEncoding</CODE> in interface <CODE>org.xml.sax.ext.Locator2</CODE></DL>
</DD>
<DD>Following copied from interface: <CODE>org.xml.sax.ext.Locator2</CODE></DD>
<DD><DL>
<DT><B>Returns:</B><DD>Name of the character encoding being used to interpret
 the entity's text, or null if this was not provided for a
 character stream passed through an InputSource or is otherwise
 not yet available 