> Programming languages have . . . control flow

I do not want control flow of any kind in my configuration file. Nor do I want expressions or any kind of evaluation.

Greppability is a must-have feature for me. As is simplicity - I don’t want to have to deal with internalizing interpreter mechanics, rules for precedence, variable scope, etc just to figure out what config values my program is going to be provided with.

Any time I’ve been forced to work with a system which used a general or restricted programming language to express configuration, it’s been a nightmare.