<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/javascript-frameworks/286244-jquery-defaulttext-plugin-not-working-mobile.html?s=7ce2c5dfce6fd25d42b3790dedf0dfc2>