s="c">!! Chunk iterator.</span>
    <span class="kt">INTEGER</span><span class="p">(</span><span class="n">ip</span><span class="p">)</span>                                                    <span class="kd">::</span> <span class="n">tt</span>
    <span class="c">!! time iterator.</span>
    <span class="kt">REAL</span><span class="p">(</span><span class="n">rp</span><span class="p">),</span><span class="k">DIMENSION</span><span class="p">(</span><span class="n">params</span><span class="p">%</span><span c