> The instant reload and not losing your place is because changes to the server do not affect what's in the browser. Nitpick: That's a HTTP 'REST' feature, su

> The instant reload and not losing your place is because changes to the server do not affect what's in the browser. Nitpick: That's a HTTP 'REST' feature, surely? The feature then is that PHP doesn't chuck out your sessions because the code has changed. But then other platforms can do this.