if ($operator = 'and')
then $search-subset[(descendant::title[1] contains text ({$wild-words} all using wildcards weight {2})) or (. contains text ({$wild-words} all using wildcards weight {0.5}))]
else $search-subset[(descendant::title[1] contains text ({$wild-words} any using wildcards weight {2})) or (. contains text ({$wild-words} any using wildcards weight {0.5}))]