This is a pretty straightforward set of changes. Actually, only the first is necessary; the rest are just some niceties. There are probably some more things that could be done to simplify things, but I did not look much further.
This is a pretty straightforward set of changes. Actually, only the first is necessary; the rest are just some niceties. There are probably some more things that could be done to simplify things, but I did not look much further.