== Example with mandatory variables not filled in

[,yaml]
----
---
rougail:                      # Rougail
  family:                     # Possibly hidden family
    var1: example             # A variable
----
== Example with all variables modifiable

[,yaml]
----
---
rougail:                      # Rougail
  condition: no               # The variable use has condition
  family:                     # Possibly hidden family
    var1: example             # A variable
----