cdn-0022-duplicate-custom-key

Duplicate custom attribute key in same {} block; first value kept; subsequent dropped; CDN-0022 warning

§6.1.1

Input

Hello {role=main role=nav}

Output AST

- type: Paragraph
  children:
    - type: Text
      value: Hello
  attributes:
    - key: role
      value: main

Diagnostics

- code: CDN-0022
  level: warning