ction</span> handle (it is assumed to use saturating cost)
  .&lt;&gt;      other fields <span class="string">that</span> <span class="string">are</span> <span class="string">passed</span> <span class="string">to</span> <span class="string">cost</span>
text1      (optional) text <span class="string">field</span> <span class="string">1</span>
text2      (optional) text <span class="string">field</span> <span class="string">2</span>
M          (optional) mean <span class="string">of</span> <span class="string