Use lua 5.2+ without needing compatibility flags.

profiles/car.lua

@@ -1,6 +1,8 @@
--- Begin of globals
---require("lib/access") --function temporarily inlined
+-- Car profile
 
+local find_access_tag = require("lib/access").find_access_tag
+
+-- Begin of globals
 barrier_whitelist = { ["cattle_grid"] = true, ["border_control"] = true, ["checkpoint"] = true, ["toll_booth"] = true, ["sally_port"] = true, ["gate"] = true, ["lift_gate"] = true, ["no"] = true, ["entrance"] = true }
 access_tag_whitelist = { ["yes"] = true, ["motorcar"] = true, ["motor_vehicle"] = true, ["vehicle"] = true, ["permissive"] = true, ["designated"] = true }
 access_tag_blacklist = { ["no"] = true, ["private"] = true, ["agricultural"] = true, ["forestry"] = true, ["emergency"] = true, ["psv"] = true }
@@ -147,16 +149,6 @@ local mode_normal = 1
 local mode_ferry = 2
 local mode_movable_bridge = 3
 
-local function find_access_tag(source, access_tags_hierachy)
-  for i,v in ipairs(access_tags_hierachy) do
-    local access_tag = source:get_value_by_key(v)
-    if access_tag and "" ~= access_tag then
-      return access_tag
-    end
-  end
-  return ""
-end
-
 function get_exceptions(vector)
   for i,v in ipairs(restriction_exception_tags) do
     vector:Add(v)