This reverts commit c8e47d45dbd7c17293de0d9218e8f52247b79d1d.
@ -76,7 +76,6 @@ var IPython = (function (IPython) {
} else if (event.which === 27) {
// Intercept escape at highest level to avoid closing
// websocket connection with firefox
IPython.pager.collapse();
event.preventDefault();
}
if (event.which === 38 && !event.shiftKey) {