This suggestion was made over 5 YEARS ago.... No reply from Noteflight. Lame.
"This is on our short list." 17 months since this was commented by an admin. Now I am working on a big project and it is impossible to make it look presentable on the score without this feature. I suppose that Noteflight is not something I should have relied on for a big project...
March 2018..... still nothing.