to false.</p>


<div class="detailHeader" id="matchSubset-detail">
matchSubset<span class="detailHeaderTag">
property
</span>
</div>

<div class="signature">
public boolean <b>$matchSubset</b>;</div>

<p>whether or not the autocompleter can use a cache for more
specific queries. This means that all matches of "foot" are a subset
of all matches for "foo". Usually this is true, and using this options
decreases server load and increases performance. Only useful with
cacheLength settings bigger than one, like 1