I've learning that some of the soft here is discontinued. I want to know how to maintain, making it. And what is "porting"? It is something alike about to bring a program here, or I am wrong? Of course I'm reading the handbook. In fact, I found that there is a "porter handbook". I'm reading the chapter 2, but it says few things. Which is the chapter or handbook that describes the process? Perhaps I could bring some things...