ers:</B><DD><CODE>pa</CODE> - a 4-tuple, expressing [X,Y] placment and [X,Y] advance adjuustments (may be null)
<DT><B>Returns:</B><DD>true if <code>dp</code> is null or contains no non-zero adjustment</DL>
</DD>
</DL>
<HR>

<A NAME="isDPIdentity(int[][])"><!-- --></A><H3>
isDPIdentity</H3>
<PRE>
public static boolean <B>isDPIdentity</B>(int[][]&nbsp;dp)</PRE>
<DL>
<DD>Determine if position adjustments is the identity adjustment, i.e., no non-zero adjustment.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dp<