I know you have to clean up local strings that you create in a OBSE function. However it is not clear to me if this is also needed in case the local string is used as a return value? See the following code:

ScriptName qesGetSizeStringstring_var namearray_var arrshort sizestring_var sizeStrBegin Function {name,arr}	Let size := ar_Size arr	if size == 0		Let sizeStr := sv_Construct "%z", name	else		Let sizeStr := sv_Construct "%z (%.0f items)", name, size	endif	SetFunctionValue sizeStr	sv_Destruct sizeStrEnd

Is that last sv_Destruct required? Or harmful?