mapformat_doom
{
  gen_sectortypes
  {
    include("MBF21_generalized.cfg", "gen_sectortypes");
  }

  linedefflags
  {
    include("MBF21_misc.cfg", "linedefflags");
  }

  thingflags
  {
    include("MBF21_misc.cfg", "thingflags");
  }

  linedeftypes
  {
    include("MBF21_linedefs.cfg");
  }
}