From what I've seen it always works but sometimes you have to scroll up for it, so it looks like it's not there
Yes, that's what I noticed, may have something to do with the length of the post. Soooooooo... heres a reasonably long post.
To try it with.
Nope, worked fine, previewing a short sentance then the longer one...mmmmmmmmmmm......? Nope, screwwd up previewing this last sentance, needed to scroll up.
Unless
it just previews the last thing you've typed since you previewed it last, if you know what I mean.