libhtml-html5-builder-perl 0.004-2 (s390x binary) in ubuntu xenial

 HTML::HTML5::Builder can export function names corresponding to any
 HTML5 element.
 .
 Each function returns an XML::LibXML::Element with the same name as the
 function. The arguments to each function are processed as a list, and
 used to set the attributes and contents of that element.