edicates]
 [length of just the step, without the predicates]
 {node test}
 {predicates}?

 returns:
  XBoolean<DD><DL>
<DT><B>Usage:</B><DD><i><font size="-1" color="#00FF00"> **For advanced use only**</font></i></DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="FROM_ANCESTORS"><!-- --></A><H3>
FROM_ANCESTORS</H3>
<PRE>
public static final int <B>FROM_ANCESTORS</B></PRE>
<DL>
<DD>ancestor axes opcode.</DL>
<HR>

<A NAME="FROM_ANCESTORS_OR_SELF"><!-- --></A><H3>
FROM_ANCESTORS_OR_SELF</H3>
<PRE>
public static fina