> I also tried to change the join of the polygon by pressing 's' over
> it but it said 'Sorry, this object is locked'. But the polygon was
> not locked. There was a bigger polygon over it which I locked
> intentionally. I suggest all tools except lock tool to be
> insensitive to locked objects.
I selected a polygon which was cleared by things. Then I issued
changejoin(selected) and the polygon was still cleared. According to the
builtin command reference this should change the status of the
clearance.
I also tried to change the join of the polygon by pressing 's' over it
but it said 'Sor