appendixes.sgm

    <sect1 id="appendixes">
      <title>
        Appendix
      </title>
      <sect2 id="appendixes.changelog-1-1">
        <title>
          Changes from version 1.0 to 1.1
        </title>
        <itemizedlist>
          <listitem>
            <para>
              Speed up index query time. The index scan is much faster than in 1.0.
            </para>
          </listitem>
          <listitem>
            <para>
               Remove B-tree index. It was used to cluster the index.
            </para>
          </listitem>
          <listitem>
            <para>
              This version is compatible to <application>PostgreSQL</application> 8.4 
            </para>
          </listitem>
        </itemizedlist>
      </sect2>
      <sect2 id="appendixes.changelog-1-1-5">
        <title>
          Changes from version 1.1 to 1.1.5
        </title>
        <itemizedlist>
          <listitem>
            <para>
              Modify behavior of function <function>set_sphere_output_precision</function>.
            </para>
          </listitem>
          <listitem>
            <para>
	      Compatibility with <application>PostgreSQL</application> 9.2
	      and later.
            </para>
          </listitem>
          <listitem>
            <para>
	      Creating spath and spolygon objects &quot;as aggregate&quot;
	      from tables should now work.
            </para>
          </listitem>
          <listitem>
            <para>
	      Improved accuracy of spoint (great circle) distance calculation.
            </para>
          </listitem>
          <listitem>
            <para>
	      Add new contains operators consistent with the geometry operators
	      of the plain used in <application>PostgreSQL</application> 8.2
	      and later:
	       &lt;@ and @&gt;, the old operators @ and &tilde; still work.
            </para>
          </listitem>
          <listitem>
            <para>
	      Improved correctness of spatial indexing.
            </para>
          </listitem>
        </itemizedlist>
      </sect2>
        
    </sect1>