[branch 1.2] Inserting measures corrupts score with tuplets
1) Open the enclosed score
2) Select measure 5
All looks good.
4) Close score discarding changes
5) Open the score again
6) Insert one measure before measure 1
7) Select measure 6, the one that used to be measure 5, the first one in the second system
8) Delete. Result looks like this:
9) Undo. Check the first rest in the following measure, it's gone.
Score is now corrupt.