---
- name: Three dashes and content without space [1.3]
  from: 82AN, modified for YAML 1.3
  tags: scalar 1.3-mod
  yaml: |
    ---
    ---word1
    word2
  tree: |
    +STR
     +DOC ---
      =VAL :---word1 word2
     -DOC
    -STR
  json: |
    "---word1 word2"
  dump: |
    '---word1 word2'
  emit: |
    --- '---word1 word2'