---
- name: Explicit Non-Specific Tag [1.3]
  from: 8MK2, modified for YAML 1.3
  tags: tag 1.3-mod
  yaml: |
    ---
    ! a
  tree: |
    +STR
     +DOC ---
      =VAL <!> :a
     -DOC
    -STR
  json: |
    "a"
  dump: |
    --- ! a