rougail-output-doc/tests/docs/base/00_9default_calculation_optional_exists.sh

# dictionaries/rougail/00-base.yml

```yaml
---
version: 1.1
my_variable:
  multi: true
  default:
    - val1
    - val2
my_calculated_variable:
  multi: true
  default:
    variable: _.my_variable
    optional: true
```
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃                                                                                                          Variables for "Rougail"                                                                                                           ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛



                                                                                                                                   
  Variable                                                         Description                                                     
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 
  rougail.my_variable                                                                                                              
  string standard mandatory unique multiple                        My_variable.                                                    
  Default:                                                                                                                         
                                                                                                                                   

 • val1                                                                                                                                                                                                                                       
 • val2                                                                                                                                                                                                                                       
   | | rougail.my_calculated_variable string standard mandatory unique multiple                                                                                                                                                               
   | My_calculated_variable. Default: the value of the variable "rougail.my_variable".                                                                                                                                                        
   |