Another guess seperate from the sibling could be the Danish company PDC, they are also the developers of Turbo Pascal, and continue to develop it under its new

Another guess seperate from the sibling could be the Danish company PDC, they are also the developers of Turbo Pascal, and continue to develop it under its new name Visual Pascal. https://www.visual-prolog.com/ https://www.visual-prolog.com/ https://www.pdc.com/ https://www.pdc.com/ (edit: they were also the developers of turbo pascal but rebranded it)