resource all "All employees" {
  vacation 2002-02-04
 	resource group1 "Group 1"{
		vacation 2002-03-11 - 2002-03-17
    resource joe "Joe Foo"
		resource diana "Diana Bar"
  }
  resource group2 "Group 2" {
		resource jim "Jim Foobar"
		resource greg "Greg User"
	}
}