%YAML 1.1
---
- name: spec-10-11
  yaml: |
    [
    ? explicit key1 : explicit value,
    ? explicit key2 : , # Explicit empty
    ? explicit key3,     # Implicit empty
    simple key1 : explicit value,
    simple key2 : ,     # Explicit empty
    ]
  tree: |
    +STR
      +DOC
        +SEQ []
          +MAP {}
            =VAL :explicit key1
            =VAL :explicit value
          -MAP
          +MAP {}
            =VAL :explicit key2
            =VAL :
          -MAP
          +MAP {}
            =VAL :explicit key3
            =VAL :
          -MAP
          +MAP {}
            =VAL :simple key1
            =VAL :explicit value
          -MAP
          +MAP {}
            =VAL :simple key2
            =VAL :
          -MAP
        -SEQ
      -DOC
    -STR
- name: spec-10-11-canonical
  yaml: |
    %YAML 1.1
    ---
    !!seq [
      !!map {
        ? !!str "explicit key1"
        : !!str "explicit value",
      },
      !!map {
        ? !!str "explicit key2"
        : !!null "",
      },
      !!map {
        ? !!str "explicit key3"
        : !!null "",
      },
      !!map {
        ? !!str "simple key1"
        : !!str "explicit value",
      },
      !!map {
        ? !!str "simple key2"
        : !!null "",
      },
    ]
  tree: |
    +STR
      +DOC ---
        +SEQ [] <tag:yaml.org,2002:seq>
          +MAP {} <tag:yaml.org,2002:map>
            =VAL <tag:yaml.org,2002:str> "explicit key1
            =VAL <tag:yaml.org,2002:str> "explicit value
          -MAP
          +MAP {} <tag:yaml.org,2002:map>
            =VAL <tag:yaml.org,2002:str> "explicit key2
            =VAL <tag:yaml.org,2002:null> "
          -MAP
          +MAP {} <tag:yaml.org,2002:map>
            =VAL <tag:yaml.org,2002:str> "explicit key3
            =VAL <tag:yaml.org,2002:null> "
          -MAP
          +MAP {} <tag:yaml.org,2002:map>
            =VAL <tag:yaml.org,2002:str> "simple key1
            =VAL <tag:yaml.org,2002:str> "explicit value
          -MAP
          +MAP {} <tag:yaml.org,2002:map>
            =VAL <tag:yaml.org,2002:str> "simple key2
            =VAL <tag:yaml.org,2002:null> "
          -MAP
        -SEQ
      -DOC
    -STR