<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/html-and-css/261039-html-mode-not-converting-wordpress.html?s=7c9d14b221b7f654d8a08090126c60f1>