Comment by cirwin

Funnily enough, I've been working on solving the same problem concurrently. Though in my _very_ biased opinion; I think CONL is easier to read and write:

https://github.com/ConradIrwin/conl

  value = example

  map
    a = b

  list
    = 1
    = 2

  multiline_value = """bash
    #!/usr/bin/bash
    echo "hello world"