Correct. I was motivated to use m4 to solve the problem I had, because m4 is ubiquitous. I wanted to know more about it, and I wanted my config files to be gene

Correct. I was motivated to use m4 to solve the problem I had, because m4 is ubiquitous. I wanted to know more about it, and I wanted my config files to be generatable on any machine where I spend some time.