Eli, my question is solved, there was subject "Pen.el" and I found what is the legal justification from third parties. Thus my question is solved. I would like to try Pen.el but I have here technical problems.
Thank for suggestions, I will think about it. Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/
