Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 20 Dec 2016 14:41:10 +0300] rev 1609
fix problem that it was impossible to edit SFC jump, if it references non-existent SFC step
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 20 Dec 2016 13:26:54 +0300] rev 1608
remove all corresponding SFC jumps when SFC step is removed (but only in DRIVENDRAWING_MODE)
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 20 Dec 2016 13:26:24 +0300] rev 1607
rename all corresponding SFC jumps when SFC step is renamed (but only in DRIVENDRAWING_MODE)