IDL Problem Code 63 with alias docs-not-real-param

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Documentation Best Practice

This problem indicates that there's an opportunity to improve the documentation for your code.

This helps make sure the extension can properly detect types, provide a better user experience, and ensures other users can be successful with code that you write.

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This problem indicates that a documented argument or keyword doesn't exist in your code.

Here's an example that produces this error:

;+
; :Arguments:
;   arg1: bidirectional, required, any
;     Placeholder docs for argument, keyword, or property
;   arg2: bidirectional, required, any
;     Placeholder docs for argument, keyword, or property
;
;-
pro mypro, arg1
  compile_opt idl2
end

To fix it, either remove from the docs or add the parameter:

Remove from docs

;+
; :Arguments:
;   arg1: bidirectional, required, any
;     Placeholder docs for argument, keyword, or property
;
;-
pro mypro, arg1
  compile_opt idl2
end

Add param

;+
; :Arguments:
;   arg1: bidirectional, required, any
;     Placeholder docs for argument, keyword, or property
;   arg2: bidirectional, required, any
;     Placeholder docs for argument, keyword, or property
;
;-
pro mypro, arg1, arg2
  compile_opt idl2
end