n><span class="w"> </span><span class="n">zppf</span>
<span class="kt">INTEGER</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">i</span><span class="p">,</span><span class="w"> </span><span class="n">isd</span><span class="p">,</span><span class="w"> </span><span class="n">ix0</span><span class="p">,</span><span class="w"> </span><span class="n">ix0p1</span><span class="p">,</span><span class="w"> </span><span class="n">ix1</span><span class="p">,</span><span c