+ if( !new_edit->length || edit->silence() )
+ new_edit->hard_left = new_edit->hard_right = 0;
+ else if( !edit->length )
+ edit->hard_left = edit->hard_right = 0;
+ else {
+ new_edit->hard_right = edit->hard_right;
+ new_edit->hard_left = edit->hard_right = 0;
+ }