# Here's a complex test case inspired by bug 244
socrates:
  x: 100
  y: 1000
plato:
  y: 2000
aristotle:
  extends:
    - socrates
    - plato
  x: += 0.1in    # 0.1in -> 30.0, so 100 + 30 = 130.0
  y: += 18       # From Plato, 2000 + 18