%YAML 1.1
---
- name: spec-02-03
  tree: |
    +STR
    +DOC
    +MAP
    =VAL :american
    +SEQ
    =VAL :Boston Red Sox
    =VAL :Detroit Tigers
    =VAL :New York Yankees
    -SEQ
    =VAL :national
    +SEQ
    =VAL :New York Mets
    =VAL :Chicago Cubs
    =VAL :Atlanta Braves
    -SEQ
    -MAP
    -DOC
    -STR
  yaml: |
    american:
      - Boston Red Sox
      - Detroit Tigers
      - New York Yankees
    national:
      - New York Mets
      - Chicago Cubs
      - Atlanta Braves