anchor.diff:          <div class="input-group">
             <input class="form-control"
                    flatpickr
  -                 data-dateFormat="Y/m/d"
  +                 data-dateFormat="Y-m-d"
  +                 data-allow-input=true
  +                 placeholder="YYYY-MM-DD"
                    type="text"
                    ng-model="form.mandature.person.birthdate"
  +                 name="birthdate"
                    id="input-birthdate" />
             <span class="input-group-btn">
               <button class="btn btn-secondary" ng-click="form.editSource('birthdate', form.mandature.person)" type="button">
  
positive.code: <form ng-submit="form.submit()">
  
    <div class="mandature-form card-block">
  
  
negative.code:               </span>
              </button>
            </span>
          </div>
          <div class="text-danger small" ng-if="mandatureForm.birthdate.$invalid">
            Not a valid date format (use YYYY-MM-DD).
          </div>
        </div>
        <div class="col-xs-4 mandature-form__group__helper">
  