I do not quite understand what "user-visible display" in the following sentence in RPL (https://opensource.org/licenses/RPL-1.5) means:
d. User-Visible Attribution. You must duplicate any notice contained in EXHIBIT B (the "User-Visible Attribution Notice") in each user-visible display of the Licensed Software and Your Extensions which delineates copyright, ownership, or similar attribution information.
The RPL-covered "Licensed Software" I intend to use is a library given in form of a source code. My product would not redistribute the source code, the "Licensed Software" will be compiled into it and become "unseparable" from the rest of it. The "Licensed Software" provides some communication protocol functionality and is effectively hidden under multiple layers of other code. As far as I understand I am not creating extensions to it, so I believe that I have no "user-visible display of Your Extensions". (It is also interesting to note that "Your Extensions" are not defined anywhere in the license text).
In this case, do I have any "user-visible" display of the Licensed Software? Or is "user-visible display" intended to include indirect effects of using the Licensed Software - which is manifested only by the fact that my software would have some features that otherwise would not work?