<dd>
		OR operator matches documents where any terms exist anywhere in the
		text of a single document.
		<pre>Fess OR CodeLibs</pre>
	</dd>
	<dt>Wildcard</dt>
	<dd>
		single and multiple character wildcard searches within single terms
		are supported. "?" symbol is a single character wildcard search, and
		"*" is a multiple character wildcard search.
		<pre>Fess*</pre>
		or
		<pre>Fe?s</pre>
	</dd>
	<dt>Range</dt>
	<dd>