rules:
  - id: bad-1
    pattern: "..."
    # ruleid: multi-line-message
    message: |
      a
      b
    severity: WARNING
  - id: bad-2
    pattern: "..."
    # ruleid: multi-line-message
    message: "a\nb"
    severity: WARNING
  - id: good-1
    pattern: "..."
    # ok: multi-line-message
    message: >-
      a
      b
    severity: WARNING