Checks whether matches were found from a search query.
Generally used to display a message on the search results page.
Returns TRUE if no matches were found.
Returns FALSE if any matches were found.
Displays text if no matches were found from a query:
<$if NoMatches$> <p><font face="arial" size="2"> Found no matches out of <$TotalDocsProcessed$> documents searched matching the query.</p> <$endif$>