keentypist

First of all, many thanks to the creators of VMPK, I find it an incredibly good and useful program! My question is related to a post I found on here earlier: I realise that it is not possible to map a note to more than one key using the dialogue provided in the program, but it is possible if you edit the XML file. I would really like to do this, but I am using a Mac and do not have a clue how to go about it! I've never done programming before, but I've downloaded two XML editors, XML mind and XML...