saltstack extending files

line1.sls

/etc/examplefile:
  file:
    - user: root
    - group: root
    - mode: 600
    - append
    - text:
      - This is line 1

line2.sls

include:
  - line1

extend:
  /etc/examplefile:
    file:
      - append
      - text:
        - This is line 2

output.txt

19:38:57,866 [salt.state     ][INFO    ] Executing state file.append for /etc/examplefile
19:38:57,868 [salt.state     ][INFO    ] {'new': ['This is line 2']}
19:38:57,873 [salt.minion    ][INFO    ] Returning information for job: 20120204193857301823
19:38:57,876 [salt.master    ][INFO    ] AES payload received with command _return
19:38:57,876 [salt.master    ][INFO    ] Got return from localhost.localdomain for job 20120204193857301823
localhost.localdomain:
----------
    State: - file
    Name:      /etc/examplefile
    Function:  append
        Result:    True
        Comment:   Appended 1 lines
        Changes:   new: ('This is line 2',)

top.sls

base:
  '*':
    - line1
    - line2