<!-- NOTE: This repository is for issues with the https://swagger.io website content. If you have a question or issue with the OpenAPI Specification or Swagger tools, please ask your question at the community forum: https://community.smartbear.com/t5/Swagger-Open-Source-Tools/bd-p/SwaggerOSTools --> documentation says "You can assign a list of tags to each API operation" problem is you cannot - the instant you add a second tag ("list" . .. .) there are errors