I still support this idea all the way, because I really see it working well! I hope it gets added, because i can see a good amount of uses for this.
Stairs overlap block boundaries, and I'm not quite sure how to pull that off. Better leave it to the pro spriters in the dev teamIt seems to work for stairs...
But whatever. If this ever gets added it will be in the developer's way, if they want to figure out diagonal poles, they can.