Using container.locked := 1 or 0 doesn't change the container locked state.
A "broadcast (container.locked);" prints "<uninitialized object>".
Itemdesc:
container 0xe43
{
cprop rr i2
desc a big box
gump 0x049
maxitems 100
maxweight 1000
maxx 143
maxy 140
minx 44
miny 65
movable 1
name tentchest
requiresattention 0
vendorbuysfor 40
vendorsellsfor 80
weight 4
}