Example with all variables modifiable

---
rougail:                      # Rougail
  var:                        # A suffix variable
    - 1
    - 2
  dyn1:                       # A dynamic family
    var: val                  # A variable inside dynamic family from "1"
  dyn2:                       # A dynamic family
    var: val                  # A variable inside dynamic family from "2"
  var2: val                   # A variable