"Don't Break" element creates hole at end of system
Maybe this is intended, but I can't imagine a reason for it.
1) load attached score, which includes a "Don't Break" element at measure 5 (intent is to make sure 5 & 6 stay together)
2) start entering sixteenths into measure 4
Result: after you've entered enough notes that 5 & 6 don't both fit on the line any more, they move to the next system - but it leaves a gap at the end of the current system.
As far as I can tell this renders the feature essentially useless. Not that it is a crucial feature to begin with, but stilll...