function dumptable(tabname, tab, depth)

    if depth == nil then  -- first call, before any recursion?

        depth = 1

    end

    if tabname ~= nil then

        if tab == nil then

            print(tabname .. " = nil")

            return

        else

            print(tabname .. " = {")

        end

    end

    local depthstr = ""

    for i=1,(depth*4) do

        depthstr = depthstr .. " "

    end

    if tab.DUMPTABLE_ITERATED then

        print(depthstr .. "(...circular reference...)")

    else

        tab.DUMPTABLE_ITERATED = true

        for k,v in pairs(tab) do

            if type(v) == "table" then

                print(depthstr .. tostring(k) .. " = {")

                dumptable(nil, v, depth + 1)

                print(depthstr .. "}")

            else

                if k ~= "DUMPTABLE_ITERATED" then

                    print(depthstr .. tostring(k) .. " = " .. tostring(v))

                end

            end

        end

        tab.DUMPTABLE_ITERATED = nil

    end

    if tabname ~= nil then

        print("}")

    end

end