<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://shrubsource.com/index.php?_g=co&_a=reg&redir=%2Findex.php%3F_a%3DviewCat%26catId%3D2%26page%3D4>