core/app/views/refinery/_html_tag.html.erb

<!-- paulirish.com/2008/conditional-stylesheets-vs-css-hacks-answer-neither/ -->
<!--[if lt IE 7 ]> <html lang="<%= ::I18n.locale %>" class="no-js ie6"> <![endif]-->
<!--[if IE 7 ]>    <html lang="<%= ::I18n.locale %>" class="no-js ie7"> <![endif]-->
<!--[if IE 8 ]>    <html lang="<%= ::I18n.locale %>" class="no-js ie8"> <![endif]-->
<!--[if IE 9 ]>    <html lang="<%= ::I18n.locale %>" class="no-js ie9"> <![endif]-->
<!--[if (gt IE 9)|!(IE)]><!--> <html lang="<%= ::I18n.locale %>" class="no-js"> <!--<![endif]-->