code: func SupportedSet(xu *xgbutil.XUtil, atomNames []string) error {
  	atoms, err := xprop.StrToAtoms(xu, atomNames)
  	if err != nil {
  		return err
  	}
  
  	return xprop.ChangeProp32(xu, xu.RootWin(), "_NET_SUPPORTED", "ATOM",
  		atoms...)
  }
docs: // _NET_SUPPORTED set
  // This will create any atoms in the argument if they don't already exist.