   specialized without the pointer. In previous versions a type <code class="computeroutput"><span class="identifier">my_point</span></code> used like <code class="computeroutput"><span class="identifier">linestring</span><span class="special">&lt;</span><span class="identifier">my_point</span><span class="special">*&gt;</span></code> had to be specalized like: <code class="computeroutput"><span class="keyword">template</span><span class="special">&lt;&gt;</span>
          <span class="keyword">struct</span