<FUNCTION name="Proximity Search">
   <FIELD title="Expression:" variable=s>
   <FIELD title="Near expression:" variable=t>
   <FIELD title="Within how many words:" variable=n>
   <QUERY>#s within $n words of #t</QUERY>
</FUNCTION>

<FUNCTION name="Section Heads">
   <FIELD title="In headings:" variable=s>
   <QUERY>#s in <title></QUERY>
</FUNCTION>
