raz: How would you specify which markdown processor to use? Whether or not to minify? Colorize syntax? Run a typography-improving script? ...
raz: Mind you, nanoc is designed to be flexible and not make assumptions about what you want to do with the input files. I try to keep it as opinion-free as possible
raz: I like it when software gives you possibilities, and you fill in the blanks. Having to resort to JS for colorizing syntax and improving typography can be a good thing, but I don't want to be limited to that.
raz: For simple sites, I generally don't even recommend using nanoc myself--it's designed to be flexible, and it is overkill for simple sites.