%YAML 1.1
---
- name: spec-02-10
  tree: |
    +STR
    +DOC ---
    +MAP
    =VAL :hr
    +SEQ
    =VAL :Mark McGwire
    =VAL &SS :Sammy Sosa
    -SEQ
    =VAL :rbi
    +SEQ
    =ALI *SS
    =VAL :Ken Griffey
    -SEQ
    -MAP
    -DOC
    -STR
  yaml: |
    ---
    hr:
      - Mark McGwire
      # Following node labeled SS
      - &SS Sammy Sosa
    rbi:
      - *SS # Subsequent occurrence
      - Ken Griffey