# A large scroll frame with no scrollable range is the only scroll root here.
# It must not start a picture cache slice.
root:
  items:
    - type: rect
      color: blue
      bounds: [0, 0, 400, 50]
    - type: scroll-frame
      bounds: [0, 50, 400, 200]
      items:
        - type: rect
          color: green
          bounds: [0, 50, 400, 200]
    - type: rect
      color: red
      bounds: [0, 250, 400, 150]