My 3 speed one is straight. but that's totally non-standard (hub, BB, crank) and I moved washers all over the place to make it right. Had a look at the 6-speed sprockets and they can't go any further out anyway.
I've left it on the 113mm BB for now, as the chainline is only about 2mm off with that. There is clearance, if not much. I had to fit the hidden chainring bolt on the XD2 crank the same way around as the other four as the allen key head is fractionally taller than the slotted head, and hits the rear triangle when folded. It is very tricky to fit the allen-headed part between the crank and spider, and get it properly tight!
The exact same BB and same (model of) crank gave far more clearance on the 3-speed. Square taper, eh?