When I put data with type "page name", they paste without double brackets, but I need with. What to do?
Topic on Extension talk:TemplateData
Don’t use this data type. It’s for templates requiring the raw page name for further processing.
And how to do that one parametr will be changed only from three variants?
Currently “line” is the best choice (and explain it in the parameter description), enumerators are not supported at this time.