diff --git a/src/rougail/output_formatter/__init__.py b/src/rougail/output_formatter/__init__.py
index d388cb0..2c4812d 100644
--- a/src/rougail/output_formatter/__init__.py
+++ b/src/rougail/output_formatter/__init__.py
@@ -1,6 +1,6 @@
 """
 Silique (https://www.silique.fr)
-Copyright (C) 2024-2025
+Copyright (C) 2024-2026
 
 This program is free software: you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published by the
@@ -119,7 +119,6 @@ class RougailOutputFormatter:
                 _('the "step.output" is not set to "{0}"').format(self.output_name)
             )
         # yaml.top_level_colon_align = True
-        self.main_namespace = normalize_family(self.rougailconfig["main_namespace"])
         self.has_default_structural_format_version = (
             self.rougailconfig["default_structural_format_version"] is not None
         )
@@ -135,7 +134,7 @@ class RougailOutputFormatter:
 
     def run(self):
         self.upgrade()
-        self.families = {self.main_namespace: CommentedMap()}
+        self.families = {self.rougail.namespace: CommentedMap()}
         self.parse()
         self.yaml.indent(mapping=2, sequence=4, offset=2)
         self.yaml.version = "1.2"
@@ -143,7 +142,7 @@ class RougailOutputFormatter:
         self.yaml.explicit_end = True
         self.default_flow_style = False
         with BytesIO() as ymlfh:
-            families = self.families[self.main_namespace]
+            families = self.families[self.rougail.namespace]
             if not families:
                 self.yaml.dump("", ymlfh)
             else:
@@ -162,7 +161,14 @@ class RougailOutputFormatter:
         return self.attributes[type_name]
 
     def upgrade(self) -> None:
-        filenames = self.rougailconfig["main_structural_directories"]
+        namespace = self.rougailconfig["main_namespace"]
+        if namespace and self.rougailconfig["extra_namespaces.names"]:
+            namespace = self.rougailconfig["extra_namespaces.names"][0]
+            filenames = self.rougailconfig["extra_namespaces"]["directories"][0]
+            extra = True
+        else:
+            filenames = self.rougailconfig["main_structural_directories"]
+            extra = False
         if len(filenames) > 1:
             raise ExtensionError(_('only one filename is allowed, not "{0}"').format(filenames))
         filename = Path(filenames[0])
@@ -177,11 +183,11 @@ class RougailOutputFormatter:
         self.rougail.load_config()
         self.rougail.init()
         self.filename_str = str(filename)
-        if self.main_namespace is None:
+        if namespace is None:
             self.rougail.namespace = None
         else:
-            self.rougail.namespace = normalize_family(self.main_namespace)
-            self.rougail.create_namespace(self.main_namespace)
+            self.rougail.namespace = normalize_family(namespace)
+            self.rougail.create_namespace(namespace)
         self.rougail.validate_file_version(
             datas,
             self.filename_str,
@@ -199,26 +205,25 @@ class RougailOutputFormatter:
         return ret
 
     def parse(self):
-        self.families[self.main_namespace][self.version_name] = float(
+        self.families[self.rougail.namespace][self.version_name] = float(
             self.rougail.version
         )
         self.remaining = len(self.rougail.paths._data)
         for path, obj in self.rougail.paths._data.items():
             self.remaining -= 1
             if path == self.rougail.namespace:
-                #                self.families[path] = self.families[None]
                 continue
             if isinstance(obj, Family):
                 self.parse_family(path, obj)
             elif isinstance(obj, Variable):
                 self.parse_variable(path, obj)
-        if list(self.families[self.main_namespace]) != [self.version_name]:
+        if list(self.families[self.rougail.namespace]) != [self.version_name]:
             # just to add an empty line space after "version"
-            self.families[self.main_namespace].yaml_value_comment_extend(
+            self.families[self.rougail.namespace].yaml_value_comment_extend(
                 self.version_name, [CommentToken("\n\n", CommentMark(0)), None]
             )
         if self.has_default_structural_format_version:
-            del self.families[self.main_namespace][self.version_name]
+            del self.families[self.rougail.namespace][self.version_name]
 
     def parse_family(self, path, obj):
         children = [p.rsplit(".", 1)[-1] for p in self.rougail.parents[path]]
@@ -355,6 +360,8 @@ class RougailOutputFormatter:
             if attr not in force_keys and value == default_value:
                 continue
             value = self.object_to_yaml(attr, type_, value, multi, path)
+            if isinstance(value, dict) and "identifier" in value:
+                value["identifier"] = self.object_to_yaml("identifier", type_, value["identifier"], True, path)
             variable[attr] = value
         if variable.get("mandatory") is True and None not in variable.get(
             "choices", []
@@ -605,7 +612,7 @@ class RougailOutputFormatter:
     def calc_variable_path(self, object_path, variable_path):
         if not variable_path.startswith("_"):
             common_path = get_common_path(object_path, variable_path)
-            if not self.rougail.namespace or common_path:
+            if not self.rougail.namespace:
                 if not common_path:
                     len_common_path = 0
                 else:
@@ -617,6 +624,15 @@ class RougailOutputFormatter:
                     + "."
                     + variable_path[len_common_path:]
                 )
+            if common_path:
+                len_common_path = len(common_path) + 1
+                relative_object_path = object_path[len_common_path:]
+                final_path = "_" * (relative_object_path.count(".") + 1) + "."
+                return (
+                    "_" * (relative_object_path.count(".") + 1)
+                    + "."
+                    + variable_path[len_common_path:]
+                )
         return variable_path
 
     def get_parent_name(self, path):
@@ -636,7 +652,7 @@ class RougailOutputFormatter:
                 name = search_name
             return _yaml(y[name])
 
-        if self.main_namespace:
+        if self.rougail.namespace:
             subpath = path.split(".")[1:]
         else:
             subpath = path.split(".")
diff --git a/src/rougail/output_formatter/config.py b/src/rougail/output_formatter/config.py
index fa9b42b..e9b9f78 100644
--- a/src/rougail/output_formatter/config.py
+++ b/src/rougail/output_formatter/config.py
@@ -1,6 +1,6 @@
 """
 Silique (https://www.silique.fr)
-Copyright (C) 2024-2025
+Copyright (C) 2024-2026
 
 This program is free software: you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published by the
diff --git a/src/rougail/output_formatter/i18n.py b/src/rougail/output_formatter/i18n.py
index 3b8fe6f..612295e 100644
--- a/src/rougail/output_formatter/i18n.py
+++ b/src/rougail/output_formatter/i18n.py
@@ -1,6 +1,6 @@
 """Internationalisation utilities
 Silique (https://www.silique.fr)
-Copyright (C) 2025
+Copyright (C) 2025-2026
 
 This program is free software: you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published by the
diff --git a/src/rougail/output_formatter/upgrade.py b/src/rougail/output_formatter/upgrade.py
index 61b4dc7..35e3031 100644
--- a/src/rougail/output_formatter/upgrade.py
+++ b/src/rougail/output_formatter/upgrade.py
@@ -4,7 +4,7 @@ Cadoles (http://www.cadoles.com)
 Copyright (C) 2021
 
 Silique (https://www.silique.fr)
-Copyright (C) 2022-2025
+Copyright (C) 2022-2026
 
 This program is free software: you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published by the
diff --git a/tests/results/00_2default_calculated_variable_description/rougail/00-base.yml b/tests/results/00_2default_calculated_variable_description/rougail/00-base.yml
index f5948c3..86bee89 100644
--- a/tests/results/00_2default_calculated_variable_description/rougail/00-base.yml
+++ b/tests/results/00_2default_calculated_variable_description/rougail/00-base.yml
@@ -7,6 +7,6 @@ var1:  # a first variable
 var2:
   description: a second variable
   default:
-    variable: _.var1
     description: value of a variable!
+    variable: _.var1
 ...
diff --git a/tests/results/00_2default_calculated_variable_description_multi_line/rougail/00-base.yml b/tests/results/00_2default_calculated_variable_description_multi_line/rougail/00-base.yml
index 4cc8223..e00884c 100644
--- a/tests/results/00_2default_calculated_variable_description_multi_line/rougail/00-base.yml
+++ b/tests/results/00_2default_calculated_variable_description_multi_line/rougail/00-base.yml
@@ -7,12 +7,12 @@ var1:  # a first variable
 var2:
   description: a second variable
   default:
-    variable: _.var1
     description: |-
       value
       of
       a
       variable!
+    variable: _.var1
 
 var3:  # a new variable
 ...
diff --git a/tests/results/00_6ip/rougail/00-base.yml b/tests/results/00_6ip/rougail/00-base.yml
index 3322b58..31bba05 100644
--- a/tests/results/00_6ip/rougail/00-base.yml
+++ b/tests/results/00_6ip/rougail/00-base.yml
@@ -10,7 +10,7 @@ var1:
 var2:
   description: an IP in CIDR format
   examples:
-    - 192.168.0.128/25
+    - 192.168.0.129/25
   type: ip
   params:
     cidr: true
diff --git a/tests/results/00_6secret_param/rougail/00-base.yml b/tests/results/00_6secret_param/rougail/00-base.yml
index dd2851c..1307471 100644
--- a/tests/results/00_6secret_param/rougail/00-base.yml
+++ b/tests/results/00_6secret_param/rougail/00-base.yml
@@ -4,6 +4,8 @@ version: 1.1
 
 secret1:
   description: the first variable
+  examples:
+    - ALongS4cr4t
   type: secret
   params:
     min_len: 10
diff --git a/tests/results/04_1jinja_and_hidden/rougail/00-base.yml b/tests/results/04_1jinja_and_hidden/rougail/00-base.yml
new file mode 100644
index 0000000..2cac7f6
--- /dev/null
+++ b/tests/results/04_1jinja_and_hidden/rougail/00-base.yml
@@ -0,0 +1,18 @@
+%YAML 1.2
+---
+version: 1.1
+
+var1:
+  description: A first variable
+  type: boolean
+  default:
+    jinja: >-
+      true
+    description: A description
+  hidden: true
+
+var2:
+  description: A second variable
+  disabled:
+    variable: _.var1
+...
diff --git a/tests/results/04_5disabled_calculation_variable11/rougail/00-base.yml b/tests/results/04_5disabled_calculation_variable11/rougail/00-base.yml
new file mode 100644
index 0000000..d1054f1
--- /dev/null
+++ b/tests/results/04_5disabled_calculation_variable11/rougail/00-base.yml
@@ -0,0 +1,15 @@
+%YAML 1.2
+---
+version: 1.1
+
+condition:
+  description: a condition
+  default: true
+  disabled: true
+
+variable:
+  description: a variable
+  disabled:
+    variable: _.condition
+    propertyerror: transitive
+...
diff --git a/tests/results/04_5disabled_calculation_variable_transitive/rougail/00-base.yml b/tests/results/04_5disabled_calculation_variable_transitive/rougail/00-base.yml
new file mode 100644
index 0000000..150c4d1
--- /dev/null
+++ b/tests/results/04_5disabled_calculation_variable_transitive/rougail/00-base.yml
@@ -0,0 +1,17 @@
+%YAML 1.2
+---
+version: 1.1
+
+condition: true  # a condition
+
+variable1:
+  description: a variable
+  disabled:
+    variable: _.condition
+
+variable2:
+  description: a second variable
+  disabled:
+    variable: _.variable1
+    propertyerror: transitive
+...
diff --git a/tests/results/04_5disabled_calculation_variable_transitive_2/rougail/00-base.yml b/tests/results/04_5disabled_calculation_variable_transitive_2/rougail/00-base.yml
new file mode 100644
index 0000000..d1054f1
--- /dev/null
+++ b/tests/results/04_5disabled_calculation_variable_transitive_2/rougail/00-base.yml
@@ -0,0 +1,15 @@
+%YAML 1.2
+---
+version: 1.1
+
+condition:
+  description: a condition
+  default: true
+  disabled: true
+
+variable:
+  description: a variable
+  disabled:
+    variable: _.condition
+    propertyerror: transitive
+...
diff --git a/tests/results/04_5disabled_calculation_variable_transitive_3/rougail/00-base.yml b/tests/results/04_5disabled_calculation_variable_transitive_3/rougail/00-base.yml
new file mode 100644
index 0000000..8595d92
--- /dev/null
+++ b/tests/results/04_5disabled_calculation_variable_transitive_3/rougail/00-base.yml
@@ -0,0 +1,19 @@
+%YAML 1.2
+---
+version: 1.1
+
+condition: false  # a condition
+
+variable1:
+  description: a variable
+  default: disabled
+  disabled:
+    variable: _.condition
+
+variable2:
+  description: a second variable
+  disabled:
+    variable: _.variable1
+    propertyerror: transitive
+    when: disabled
+...
diff --git a/tests/results/04_5disabled_calculation_variable_transitive_4/rougail/00-base.yml b/tests/results/04_5disabled_calculation_variable_transitive_4/rougail/00-base.yml
new file mode 100644
index 0000000..a452f7d
--- /dev/null
+++ b/tests/results/04_5disabled_calculation_variable_transitive_4/rougail/00-base.yml
@@ -0,0 +1,19 @@
+%YAML 1.2
+---
+version: 1.1
+
+condition: true  # a condition
+
+variable1:
+  description: a variable
+  default: not_disabled
+  disabled:
+    variable: _.condition
+
+variable2:
+  description: a second variable
+  disabled:
+    variable: _.variable1
+    propertyerror: transitive
+    when: disabled
+...
diff --git a/tests/results/40_0leadership_reduce/rougail/00-base.yml b/tests/results/40_0leadership_reduce/rougail/00-base.yml
index 204e7b8..d41716a 100644
--- a/tests/results/40_0leadership_reduce/rougail/00-base.yml
+++ b/tests/results/40_0leadership_reduce/rougail/00-base.yml
@@ -8,7 +8,7 @@ leadership:
 
   leader:
     description: a leader
-    test:
+    examples:
       - val1
       - val2
     default:
diff --git a/tests/results/60_0family_dynamic_jinja_integer_empty2/rougail/00-base.yml b/tests/results/60_0family_dynamic_jinja_integer_empty2/rougail/00-base.yml
new file mode 100644
index 0000000..2fab042
--- /dev/null
+++ b/tests/results/60_0family_dynamic_jinja_integer_empty2/rougail/00-base.yml
@@ -0,0 +1,29 @@
+%YAML 1.2
+---
+version: 1.1
+
+var:
+  description: a suffix variable
+  test:
+    - 1
+    - 2
+  type: integer
+  multi: true
+  mandatory: false
+
+dyn{{ identifier }}:
+  description: a dynamic family
+  dynamic:
+    variable: _.var
+
+  var: val  # a variable inside dynamic family from "{{ identifier }}"
+
+var2:
+  description: a variable
+  default:
+    jinja: >-
+      {% if rougail.dyn1 is defined %}
+        {{ rougail.dyn1.var }}
+      {% endif %}
+    description: get the value of "rougail.dyn1.var"
+...
diff --git a/tests/results/60_5family_dynamic_calc_description/rougail/00-base.yml b/tests/results/60_5family_dynamic_calc_description/rougail/00-base.yml
index facee7b..f3fdd62 100644
--- a/tests/results/60_5family_dynamic_calc_description/rougail/00-base.yml
+++ b/tests/results/60_5family_dynamic_calc_description/rougail/00-base.yml
@@ -3,21 +3,21 @@
 version: 1.1
 
 dyn{{ identifier }}:
-  description: A dynamic famify for {{ identifier }}
+  description: a dynamic famify for {{ identifier }}
   dynamic:
     - val1
     - val2
 
-  var:  # A dynamic variable for {{ identifier }}
+  var:  # a dynamic variable for {{ identifier }}
 
 var1:
-  description: A new variable
+  description: a new variable
   disabled:
     variable: _.dynval1.var
     when: val
 
 var2:
-  description: A new variable
+  description: a new variable
   default:
     variable: _.dyn{{ identifier }}.var
   unique: false
diff --git a/tests/results/60_5family_dynamic_calc_identifier/rougail/00-base.yml b/tests/results/60_5family_dynamic_calc_identifier/rougail/00-base.yml
new file mode 100644
index 0000000..5990218
--- /dev/null
+++ b/tests/results/60_5family_dynamic_calc_identifier/rougail/00-base.yml
@@ -0,0 +1,26 @@
+%YAML 1.2
+---
+version: 1.1
+
+var1:  # A suffix variable
+  - val1
+  - val2
+
+var2: val1  # A suffix variable2
+
+dyn{{ identifier }}:
+  dynamic:
+    variable: _.var1
+
+  var:
+    description: A dynamic variable
+    default:
+      type: identifier
+
+var3:
+  description: A variable calculated
+  default:
+    variable: _.dyn{{ identifier }}.var
+    identifier:
+      variable: _.var2
+...
diff --git a/tests/results/60_5family_dynamic_calc_identifier_multi/rougail/00-base.yml b/tests/results/60_5family_dynamic_calc_identifier_multi/rougail/00-base.yml
new file mode 100644
index 0000000..83fae25
--- /dev/null
+++ b/tests/results/60_5family_dynamic_calc_identifier_multi/rougail/00-base.yml
@@ -0,0 +1,24 @@
+%YAML 1.2
+---
+version: 1.1
+
+var1:  # A suffix variable
+  - val1
+  - val2
+
+var2: val1  # A suffix variable2
+
+dyn{{ identifier }}:
+  dynamic:
+    variable: _.var1
+
+  var:  # A dynamic variable
+    - type: identifier
+
+var3:
+  description: A variable calculated
+  default:
+    variable: _.dyn{{ identifier }}.var
+    identifier:
+      variable: _.var2
+...
diff --git a/tests/results/60_5family_dynamic_calc_suffix_disabled2/rougail/00-base.yml b/tests/results/60_5family_dynamic_calc_suffix_disabled2/rougail/00-base.yml
index c9ec105..1e9ef27 100644
--- a/tests/results/60_5family_dynamic_calc_suffix_disabled2/rougail/00-base.yml
+++ b/tests/results/60_5family_dynamic_calc_suffix_disabled2/rougail/00-base.yml
@@ -7,7 +7,8 @@ var1:
   test:
     - val1
     - val2
-  multi: true
+  default:
+    - val1
   mandatory: false
 
 dyn{{ identifier }}:
@@ -22,5 +23,5 @@ var2:
   description: A variable calculated
   default:
     variable: _.dynval1.var
-    optional: true
+    propertyerror: false
 ...
diff --git a/tests/results/60_5family_dynamic_calc_suffix_disabled3/rougail/00-base.yml b/tests/results/60_5family_dynamic_calc_suffix_disabled3/rougail/00-base.yml
new file mode 100644
index 0000000..c9ec105
--- /dev/null
+++ b/tests/results/60_5family_dynamic_calc_suffix_disabled3/rougail/00-base.yml
@@ -0,0 +1,26 @@
+%YAML 1.2
+---
+version: 1.1
+
+var1:
+  description: A suffix variable
+  test:
+    - val1
+    - val2
+  multi: true
+  mandatory: false
+
+dyn{{ identifier }}:
+  dynamic:
+    variable: _.var1
+
+  var:
+    description: A dynamic variable
+    disabled: true
+
+var2:
+  description: A variable calculated
+  default:
+    variable: _.dynval1.var
+    optional: true
+...
diff --git a/tests/results/60_5family_dynamic_unknown_suffix/rougail/00-base.yml b/tests/results/60_5family_dynamic_unknown_suffix/rougail/00-base.yml
index 2a5226f..74276d6 100644
--- a/tests/results/60_5family_dynamic_unknown_suffix/rougail/00-base.yml
+++ b/tests/results/60_5family_dynamic_unknown_suffix/rougail/00-base.yml
@@ -4,7 +4,7 @@ version: 1.1
 
 var:
   description: a suffix variable
-  test:
+  examples:
     - val1
     - val2
     - val3
diff --git a/tests/results/60_6family_dynamic_inside_identifier/rougail/00-base.yml b/tests/results/60_6family_dynamic_inside_identifier/rougail/00-base.yml
new file mode 100644
index 0000000..0ce9ffe
--- /dev/null
+++ b/tests/results/60_6family_dynamic_inside_identifier/rougail/00-base.yml
@@ -0,0 +1,33 @@
+%YAML 1.2
+---
+version: 1.1
+
+var:  # a suffix variable
+  - val1
+  - val2
+
+'{{ identifier }}_dyn':
+  description: a dynamic family
+  dynamic:
+    variable: _.var
+
+  var1:
+    description: value is suffix for {{ identifier }}
+    default:
+      type: identifier
+
+  var2:
+    description: value is first variable
+    default:
+      variable: _.var1
+
+  var3:
+    description: value is relative first variable
+    default:
+      variable: _.var1
+
+  var4:
+    description: value is first variable of val1
+    default:
+      variable: __.val1_dyn.var1
+...
diff --git a/tests/results/60_6family_subdynamic_inside/rougail/00-base.yml b/tests/results/60_6family_subdynamic_inside/rougail/00-base.yml
new file mode 100644
index 0000000..794f037
--- /dev/null
+++ b/tests/results/60_6family_subdynamic_inside/rougail/00-base.yml
@@ -0,0 +1,24 @@
+%YAML 1.2
+---
+version: 1.1
+
+var:  # A suffix variable
+  - val1
+  - val2
+
+dyn{{ identifier }}:
+  dynamic:
+    variable: _.var
+
+  dyn{{ identifier }}:
+    dynamic:
+      variable: __.var
+
+    var1:  # A dynamic variable
+
+    var2:
+      description: A variable calculated
+      default:
+        variable: ___.dynval2.dyn{{ identifier }}.var1
+      unique: false
+...
diff --git a/tests/test_load.py b/tests/test_load.py
index 83bcece..8a6b01a 100644
--- a/tests/test_load.py
+++ b/tests/test_load.py
@@ -68,18 +68,26 @@ def test_structural_files_formatter_namespace(test_dir):
     rougailconfig = get_rougail_config(test_dir, namespace)
     if not rougailconfig:
         return
+    if rougailconfig["extra_namespaces.names"]:
+        for n_idx, namespace in enumerate(rougailconfig['extra_namespaces.names']):
+            for dir_name in rougailconfig["extra_namespaces"]["directories"][n_idx]:
+                for file_name in Path(dir_name).iterdir():
+                    if file_name.suffix in [".yml", ".yaml"]:
+                        rougailconfig["extra_namespaces"].set_follower("directories", n_idx, [str(file_name)])
+                        _test_structural_files(file_name, namespace, rougailconfig)
+    rougailconfig["extra_namespaces"].reset()
     for dir_name in rougailconfig['main_structural_directories']:
         for file_name in Path(dir_name).iterdir():
             if file_name.suffix in [".yml", ".yaml"]:
                 rougailconfig["main_structural_directories"] = [str(file_name)]
                 _test_structural_files(file_name, namespace, rougailconfig)
-    for namespace, dirs_name in rougailconfig['extra_namespaces'].items():
-        rougailconfig["main_namespace"] = namespace
-        for dir_name in dirs_name:
-            for file_name in Path(dir_name).iterdir():
-                if file_name.suffix in [".yml", ".yaml"]:
-                    rougailconfig["main_structural_directories"] = [str(file_name)]
-                    _test_structural_files(file_name, namespace, rougailconfig)
+#    for namespace, dirs_name in rougailconfig['extra_namespaces'].items():
+#        rougailconfig["main_namespace"] = namespace
+#        for dir_name in dirs_name:
+#            for file_name in Path(dir_name).iterdir():
+#                if file_name.suffix in [".yml", ".yaml"]:
+#                    rougailconfig["main_structural_directories"] = [str(file_name)]
+#                    _test_structural_files(file_name, namespace, rougailconfig)
 
 
 def test_structural_files_formatter_load(test_dir):