/datum/configuration/proc/load(filename, type = "config") //the type can also be game_options, in which case it uses a different switch. not making it separate to not copypaste code - Urist
    var/list/Lines = file2list(filename)

    for(var/t in Lines)
        if(!t)  continue

        t = trim(t)
        if(length(t) == 0)
            continue
        else if(copytext(t, 1, 2) == "#")
            continue

        var/pos = findtext(t, " ")
        var/name = null
        var/value = null

        if(pos)
            name = lowertext(copytext(t, 1, pos))
            value = copytext(t, pos + 1)
        else
            name = lowertext(t)

        if(!name)
            continue

        if(type == "config")
            switch(name)
                if("download_external")
                    client/preload_rsc = "value"
-snipped-