[event]
        name=preload
        first_time_only=no

        [lua]
            code = <<
                function spawn_loyal_player_unit(type_id, loc_x, loc_y)
                    -- Inelegant, I know, but put_unit() invokes a code path
                    -- where animate= doesn't have a meaning.
                    wesnoth.fire("unit", {
                        x = loc_x,
                        y = loc_y,
                        side = 1,
                        type = type_id,
                        upkeep = "loyal",
                        animate = true,
                    })
                end

                function wesnoth.wml_actions.s9_area_spawns(cfg)
                    local num_skels = cfg.skeletons or 1
                    local num_ghosts = cfg.ghosts or 1
                    local locs = wesnoth.get_locations(cfg)

                    for i = 1, num_skels do
                        if #locs == 0 then
                            return
                        end
                        local r = safe_random(string.format("1..%d", #locs))
                        local x, y = locs[r][1], locs[r][2]
                        spawn_loyal_player_unit("Skeleton", x, y)
                        table.remove(locs, r)
                    end

                    for i = 1, num_ghosts do
                        if #locs == 0 then
                            return
                        end
                        local r = safe_random(string.format("1..%d", #locs))
                        local x, y = locs[r][1], locs[r][2]
                        spawn_loyal_player_unit("Ghost", x, y)
                        table.remove(locs, r)
                    end
                end
            >>
        [/lua]
    [/event]