<s> has been reinstated
<s> has been reinstated

http://www.w3.org/html/wg/drafts/html/master/single-page.html#the-s-element
ref #166
kangax/html-minifier,bryanerayner/html-minifier,HossainKhademian/HtmlMinifier,GerHobbelt/html-minifier,jonnochoo/html-minifier,MacManus/html-minifier,kangax/html-lint,bryanerayner/html-minifier,kangax/html-minifier,AshKyd/html-minifier,GerHobbelt/html-minifier,jonnochoo/html-minifier,DChristiany/html-minifier,kangax/html-lint,DChristiany/html-minifier,AshKyd/html-minifier,psychoss/html-minifier,psychoss/html-minifier,MacManus/html-minifier