title: Does Internet Explorer support pushState and replaceState?
body: <p>Does anybody know if Internet Explorer supports the <code>history.pushState()</code> and <code>history.replaceState()</code> methods for <a href="https://developer.mozilla.org/en/DOM/Manipulating_the_browser_history" rel="noreferrer">manipulating browser history</a>? Considering these are just being implemented in Firefox 4, I'm not holding my breath, but does anybody know if they're coming in IE9?</p>