Crash involving multimeasure rests and Ctrl/ Shift/Del keys
Nightly 421f366 / Windows 7
1) "My First Score"
2) In the measure 29 eg, select the whole rest
3) Change the value (select the half value in the toolbar). To obtain
4) Press "M"
5) Select this measure and the followings MM rests
6) Ctrl + Shift + Del