minetest.register_node("nicknamelimitation:decowood", {
	tiles = {"nicknamelimitation.png"},
	groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=3},
})

minetest.register_on_prejoinplayer(function(name, ip)

local lowername = string:lower(name)

if not string.find(lowername,"7") and not string.find(lowername,"8") and not string.find(lowername,"builder") then
return "Es tut mir Leid, (geht nicht)"
end
end)