@BenPilbrow the author has (I think) fixed it
function linkify(change){
// see chat.stackoverflow.com/transcript/message/479425#479425
dummy = $("<hack/>")
what_I_want = $("<a/>").text(change.title)
.attr("href", "http://" + so_live_site + "/q/" + change.post_id + "/-1")
dummy.append(what_I_want)
return dummy[0].innerHTML
}