diff --git a/creole/annotator.py b/creole/annotator.py
index 12415f1..dc7c3c5 100644
--- a/creole/annotator.py
+++ b/creole/annotator.py
@@ -52,7 +52,8 @@ modes = mode_factory()
 # a CreoleObjSpace's attribute has some annotations
 # that shall not be present in the exported (flatened) XML
 ERASED_ATTRIBUTES = ('redefine', 'exists', 'fallback', 'optional', 'remove_check', 'namespace',
-                     'remove_condition', 'path', 'instance_mode', 'index', 'is_in_leadership')  # , '_real_container')
+                     'remove_condition', 'path', 'instance_mode', 'index', 'is_in_leadership',
+                     'level')  # , '_real_container')
 ERASED_CONTAINER_ATTRIBUTES = ('id', 'container', 'group_id', 'group', 'container_group')
 
 NOT_NEED_ACTIVATE = ('disknod',)
@@ -1036,13 +1037,11 @@ class SpaceAnnotator(object):
             else:
                 check.warnings_only = False
             check.level = None
-            transitive = True
             if hasattr(check, 'param'):
                 for param in check.param:
                     if not param.hidden is True:
-                        transitive = False
+                        check.transitive = False
                     param.hidden = None
-            check.transitive = transitive
 
         if not self.space.constraints.check:
             del self.space.constraints.check
@@ -1054,7 +1053,6 @@ class SpaceAnnotator(object):
         for check in self.space.constraints.check:
             variable = self.paths.get_variable_obj(check.target)
             check_ = self.objectspace.check()
-            check_.type = 'calculation'
             name = check.name
             if name == 'valid_differ':
                 name = 'valid_not_equal'
@@ -1077,7 +1075,6 @@ class SpaceAnnotator(object):
                     raise CreoleLoaderError(_('{} must have {} param').format(name, params_len))
             check_.name = name
             check_.warnings_only = check.warnings_only
-            check_.transitive = check.transitive
             if hasattr(check, 'param'):
                 check_.param = check.param
             if not hasattr(variable, 'check'):
@@ -1160,6 +1157,10 @@ class SpaceAnnotator(object):
             value.type = 'calculation'
             value.name = fill.name
             if hasattr(fill, 'param'):
+                for param in fill.param:
+                    if param.hidden is True:
+                        param.transitive = False
+                    param.hidden = None
                 value.param = fill.param
             if not hasattr(variable, 'value'):
                 variable.value = []
diff --git a/creole/loader.py b/creole/loader.py
index 7fee10f..3c9af24 100644
--- a/creole/loader.py
+++ b/creole/loader.py
@@ -81,14 +81,10 @@ CONVERT_OPTION = {'number': dict(opttype=IntOption),
                   'hostname_strict': dict(opttype=DomainnameOption, initkwargs={'type': 'hostname', 'allow_ip': False}),
                   'web_address': dict(opttype=URLOption, initkwargs={'allow_ip': True, 'allow_without_dot': True}),
                   'port': dict(opttype=PortOption, initkwargs={'allow_private': True}),
-                  'mac': dict(opttype=MACOption) # FIXME YO
+                  'mac': dict(opttype=MACOption)
                   }
 
 
-# FIXME help
-REMOVED_ATTRIB = ['path', 'type']
-
-
 class Elt(object):
     def __init__(self, attrib):
         self.attrib = attrib
@@ -215,7 +211,7 @@ class PopulateTiramisuObjects(object):
                 subpath = self._build_path(subpath, child)
                 for c in child:
                     self._iter_family(c, family, subpath=subpath)
-        if child.tag == 'leader':
+        elif child.tag == 'leader':
             leader = self._iter_leader(child, subpath)
             family.add(leader)
         elif child.tag == 'separators':
@@ -235,6 +231,8 @@ class PopulateTiramisuObjects(object):
             family.add(variable)
         elif child.tag == 'property':
             self._parse_properties(family, child)
+        else:
+            raise Exception('unknown tag {}'.format(child.tag))
 
     def _parse_properties(self, family, child):
         if child.get('type') == 'calculation':
@@ -302,14 +300,6 @@ class ElementStorage:
         elt = self.get(path)
         elt.add_information(name, information)
 
-    def add_consistency(self, path, consistence, variables, warnings_only, transitive):
-        elt = self.get(path)
-        elt.add_consistency(consistence, variables, warnings_only, transitive)
-
-    def add_requires(self, path, requires):
-        elt = self.get(path)
-        elt.add_requires(requires)
-
     def get(self, path):
         if path not in self.paths:
             raise CreoleLoaderError(_('there is no element for path {}').format(path))
@@ -337,17 +327,11 @@ class Variable(Common):
         self.option = None
         self.informations = {}
         self.attrib = {}
-        self.requires = []
-        self.consistencies = []
         self.attrib['properties'] = []
+        self.attrib['validators'] = []
         self.eosfunc = eosfunc
         self.storage = storage
         for key, value in elt.attrib.items():
-            if key in REMOVED_ATTRIB:
-                continue
-            #if key != 'name':
-            #    value = unicode(value)
-
             if key in booleans:
                 if value == 'True':
                     value = True
@@ -357,6 +341,8 @@ class Variable(Common):
                     raise CreoleLoaderError(_('unknown value {} for {}').format(value, key))
             if key == 'help':
                 self.add_information(key, value)
+            elif key == 'type':
+                pass
             else:
                 self.attrib[key] = value
         convert_option = CONVERT_OPTION[elt.attrib['type']]
@@ -393,7 +379,7 @@ class Variable(Common):
                         params = []
                         for param in child:
                             params.append(self.parse_param(param))
-                        self.attrib['default'] = (child.attrib['name'], params)
+                        self.attrib['default'] = (child.attrib['name'], params, False)
                 else:
                     if "type" in child.attrib:
                         type_ = CONVERT_OPTION[child.attrib['type']]['opttype']
@@ -417,6 +403,17 @@ class Variable(Common):
                             self.attrib['default_multi'] = value
                         else:
                             self.attrib['default'] = value
+            elif child.tag == 'choice':
+                # already load
+                pass
+            elif child.tag == 'check':
+                params = []
+                for param in child:
+                    params.append(self.parse_param(param))
+                #check.params = params
+                self.attrib['validators'].append((child.attrib['name'], params, child.attrib['warnings_only']))
+            else:
+                raise Exception('unknown tag {}'.format(child.tag))
         if 'initkwargs' in convert_option:
             self.attrib.update(convert_option['initkwargs'])
         if elt.attrib['type'] == 'symlink':
@@ -429,14 +426,14 @@ class Variable(Common):
         if param.attrib['type'] == 'string':
             value = param.text
         elif param.attrib['type'] == 'eole':
-            hidden = param.attrib['hidden']
-            if hidden == 'True':
-                hidden = False
-            elif hidden == 'False':
-                hidden = True
+            transitive = param.attrib.get('transitive', 'False')
+            if transitive == 'True':
+                transitive = True
+            elif transitive == 'False':
+                transitive = False
             else:
-                raise CreoleLoaderError(_('unknown hidden boolean {}').format(hidden))
-            value = [param.text, hidden]
+                raise CreoleLoaderError(_('unknown transitive boolean {}').format(transitive))
+            value = [param.text, transitive]
         elif param.attrib['type'] == 'number':
             value = int(param.text)
         else:
@@ -448,68 +445,40 @@ class Variable(Common):
             raise CreoleLoaderError(_('key already exists in information {}').format(key))
         self.informations[key] = value
 
-    def add_requires(self, requires):
-        self.requires.extend(requires)
+    def build_calculator(self, key):
+        if key in self.attrib:
+            values = self.attrib[key]
+            if isinstance(values, list):
+                is_list = True
+            else:
+                is_list = False
+                values = [values]
+            ret = []
+            for value in values:
+                if isinstance(value, tuple):
+                    args = []
+                    kwargs = {}
+                    if len(value) == 3:
+                        for param in value[1]:
+                            if isinstance(param[1], list):
+                                param_value = ParamOption(self.storage.get(param[1][0]).get(), notraisepropertyerror=param[1][1])
+                            else:
+                                param_value = ParamValue(param[1])
+                            if not param[0]:
+                                args.append(param_value)
+                            else:
+                                kwargs[param[0]] = param_value
 
-    def add_consistency(self, consistence, variables, warnings_only, transitive):
-        self.consistencies.append((consistence, variables, warnings_only, transitive))
+                    ret.append(Calculation(getattr(self.eosfunc, value[0]),
+                                           Params(tuple(args),
+                                           kwargs=kwargs)))
+                else:
+                    ret.append(value)
+            if not is_list:
+                self.attrib[key] = ret[0]
+            else:
+                self.attrib[key] = ret
 
-    def build_params(self, params):
-        if params != None:
-            new_params = Params()
-            for key, values in params.items():
-                new_values = []
-                for value in values:
-                    if isinstance(value, list):
-                    # retrieve object
-                        value = ParamOption(value[0].get(), value[1])
-                    elif value == (None,):
-                        value = ParamContext()
-                    else:
-                        value = ParamValue(value)
-                    if key == '':
-                        args = list(new_params.args)
-                        args.append(value)
-                        new_params.args = tuple(args)
-                    else:
-                        new_params.kwargs[key] = value
-            return new_params
-        return params
-
-    def build_default(self):
-        if 'default' in self.attrib:
-            default = self.attrib['default']
-            if isinstance(default, tuple):
-                #('calc_val', [('', ['creole.general.mode_conteneur_actif1', False])])
-                args = []
-                kwargs = {}
-                if len(default) == 2:
-                    for param in default[1]:
-                        if isinstance(param[1], list):
-                            value = ParamOption(self.storage.get(param[1][0]).get(), notraisepropertyerror=param[1][1])
-                        else:
-                            value = ParamValue(param[1])
-                        if not param[0]:
-                            args.append(value)
-                        else:
-                            kwargs[param[0]] = value
-
-                self.attrib['default'] = Calculation(getattr(self.eosfunc, default[0]),
-                                                     Params(tuple(args),
-                                                            kwargs=kwargs))
-        #for index, obj in enumerate(self.attrib.get('values', [])):
-        #    print(obj)
-            #if isinstance(prop, tuple):
-            #    action, kwargs = prop
-            #    kwargs['condition'] = ParamOption(self.storage.get(kwargs['condition']).get(), todict=True)
-            #    prop = Calculation(calc_value,
-            #                       Params(action,
-            #                              kwargs=kwargs))
-            #    self.attrib['properties'][index] = prop
-        #if self.attrib['properties']:
-        #    self.attrib['properties'] = tuple(self.attrib['properties'])
-        #else:
-        #    del self.attrib['properties']
 
     def get(self):
         if self.option is None:
@@ -517,19 +486,12 @@ class Variable(Common):
                 self.attrib['opt'] = self.attrib['opt'].get()
             else:
                 self.build_properties()
-                self.build_default()
-            #for callback, callback_params in self.callbacks:
-            #    self.attrib['callback'] = callback
-            #    self.attrib['callback_params'] = self.build_params(callback_params)
-            #for require in self.requires:
-            #    if isinstance(require['option'], Variable):
-            #        require['option'] = require['option'].get()
-            #if self.requires != []:
-            #    self.attrib['requires'] = self.requires
-            #if self.validator:
-            #    self.attrib['validator'] = self.validator[0]
-            #    self.attrib['validator_params'] = self.build_params(self.validator[1])
+                self.build_calculator('default')
+                self.build_calculator('validators')
+            if not self.attrib['validators']:
+                del self.attrib['validators']
             try:
+                print(self.attrib)
                 option = self.object_type(**self.attrib)
             except Exception as err:
                 import traceback
@@ -538,27 +500,12 @@ class Variable(Common):
                 raise CreoleLoaderError(_('cannot create option {}: {}').format(name, err))
             for key, value in self.informations.items():
                 option.impl_set_information(key, value)
-            #for consistency in self.consistencies:
-            #    options = []
-            #    for variable in consistency[1]:
-            #        options.append(variable.get())
-            #    try:
-            #        kwargs = {}
-            #        if consistency[2] == 'True':
-            #            kwargs['warnings_only'] = True
-            #        if consistency[3] == 'False':
-            #            kwargs['transitive'] = False
-            #        option.impl_add_consistency(consistency[0], *options, **kwargs)
-            #    except ConfigError as err:
-            #        name = self.attrib['name']
-            #        raise CreoleLoaderError(_('cannot load consistency for {}: {}').format(name, err))
             self.option = option
         return self.option
 
 
 class Family(Common):
     def __init__(self, elt, booleans, storage, force_icon=False):
-        self.requires = []
         self.option = None
         self.attrib = {}
         self.is_leader = False
@@ -570,8 +517,6 @@ class Family(Common):
         self.storage = storage
         self.attrib['properties'] = []
         for key, value in elt.attrib.items():
-            if key in REMOVED_ATTRIB:
-                continue
             if key in booleans:
                 if value == 'True':
                     value = True
@@ -589,6 +534,8 @@ class Family(Common):
                 self.attrib['properties'].append(value)
             elif key == 'help':
                 self.add_information(key, value)
+            elif key == 'type':
+                pass
             else:
                 self.attrib[key] = value
         if 'doc' not in self.attrib:
@@ -605,19 +552,11 @@ class Family(Common):
     def set_leader(self):
         self.is_leader = True
 
-    def add_requires(self, requires):
-        self.requires.extend(requires)
-
     def get(self):
         if self.option is None:
             self.attrib['children'] = []
             for child in self.children:
                 self.attrib['children'].append(child.get())
-            for require in self.requires:
-                if isinstance(require['option'], Variable):
-                    require['option'] = require['option'].get()
-            if self.requires != []:
-                self.attrib['requires'] = self.requires
             self.build_properties()
             try:
                 if not self.is_leader:
diff --git a/tests/eosfunc/test.py b/tests/eosfunc/test.py
index 08e9d35..9aefc58 100644
--- a/tests/eosfunc/test.py
+++ b/tests/eosfunc/test.py
@@ -1,3 +1,5 @@
+from tiramisu import valid_not_equal, valid_ip_netmask
+
 def calc_val(*args, **kwargs):
     pass
 
diff --git a/tests/flattener_dicos/01auto_base/result/00-base.xml b/tests/flattener_dicos/01auto_base/result/00-base.xml
index 6544d72..432fdac 100644
--- a/tests/flattener_dicos/01auto_base/result/00-base.xml
+++ b/tests/flattener_dicos/01auto_base/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_autofreeze/result/00-base.xml b/tests/flattener_dicos/01fill_autofreeze/result/00-base.xml
index 01c6018..8865158 100644
--- a/tests/flattener_dicos/01fill_autofreeze/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_autofreeze/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>basic</property>
         <property expected="oui" inverse="True" source="creole.general.module_instancie" type="calculation">auto_frozen</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_autosave/result/00-base.xml b/tests/flattener_dicos/01fill_autosave/result/00-base.xml
index 6c4300d..7febc10 100644
--- a/tests/flattener_dicos/01fill_autosave/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_autosave/result/00-base.xml
@@ -10,7 +10,7 @@
         <property>mandatory</property>
         <property>basic</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_base/result/00-base.xml b/tests/flattener_dicos/01fill_base/result/00-base.xml
index 6544d72..432fdac 100644
--- a/tests/flattener_dicos/01fill_base/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_base/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_baseaccent/result/00-base.xml b/tests/flattener_dicos/01fill_baseaccent/result/00-base.xml
index 6594c91..b8db1c5 100644
--- a/tests/flattener_dicos/01fill_baseaccent/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_baseaccent/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_mandatory/result/00-base.xml b/tests/flattener_dicos/01fill_mandatory/result/00-base.xml
index f22cd35..da02f1a 100644
--- a/tests/flattener_dicos/01fill_mandatory/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_mandatory/result/00-base.xml
@@ -7,7 +7,7 @@
         <property>mandatory</property>
         <property>expert</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_number/result/00-base.xml b/tests/flattener_dicos/01fill_number/result/00-base.xml
index 76bae2a..c3cc42a 100644
--- a/tests/flattener_dicos/01fill_number/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_number/result/00-base.xml
@@ -9,7 +9,7 @@
         <property>hidden</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="number">3</param>
+          <param transitive="False" type="number">3</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/01fill_optional/result/00-base.xml b/tests/flattener_dicos/01fill_optional/result/00-base.xml
index 6544d72..432fdac 100644
--- a/tests/flattener_dicos/01fill_optional/result/00-base.xml
+++ b/tests/flattener_dicos/01fill_optional/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="eole">creole.general.mode_conteneur_actif1</param>
+          <param transitive="False" type="eole">creole.general.mode_conteneur_actif1</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif1" type="choice">
diff --git a/tests/flattener_dicos/10autosave_hidden/result/00-base.xml b/tests/flattener_dicos/10autosave_hidden/result/00-base.xml
index 6af1c9d..1e68627 100644
--- a/tests/flattener_dicos/10autosave_hidden/result/00-base.xml
+++ b/tests/flattener_dicos/10autosave_hidden/result/00-base.xml
@@ -19,7 +19,7 @@
         <property>hidden</property>
         <property>basic</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="string">oui</param>
+          <param transitive="False" type="string">oui</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/10autosave_hidden_frozenifin/result/00-base.xml b/tests/flattener_dicos/10autosave_hidden_frozenifin/result/00-base.xml
index 8835471..7a9264b 100644
--- a/tests/flattener_dicos/10autosave_hidden_frozenifin/result/00-base.xml
+++ b/tests/flattener_dicos/10autosave_hidden_frozenifin/result/00-base.xml
@@ -20,7 +20,7 @@
         <property expected="oui" inverse="False" source="creole.general.mode_conteneur_actif" type="calculation">hidden</property>
         <property expected="oui" inverse="False" source="creole.general.mode_conteneur_actif" type="calculation">force_default_on_freeze</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="string">oui</param>
+          <param transitive="False" type="string">oui</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/10check_base/result/00-base.xml b/tests/flattener_dicos/10check_base/result/00-base.xml
index dbd4abf..e2e286c 100644
--- a/tests/flattener_dicos/10check_base/result/00-base.xml
+++ b/tests/flattener_dicos/10check_base/result/00-base.xml
@@ -9,7 +9,7 @@
         <value>b</value>
       </variable>
       <variable doc="No change" multi="False" name="int" type="number">
-        <check level="error" name="valid_entier" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_entier" warnings_only="False">
           <param name="mini" type="string">0</param>
           <param name="maxi" type="string">100</param>
         </check>
diff --git a/tests/flattener_dicos/10check_option/result/00-base.xml b/tests/flattener_dicos/10check_option/result/00-base.xml
index 3f54476..f65ebd9 100644
--- a/tests/flattener_dicos/10check_option/result/00-base.xml
+++ b/tests/flattener_dicos/10check_option/result/00-base.xml
@@ -14,7 +14,7 @@
         <value>100</value>
       </variable>
       <variable doc="No change" multi="False" name="int" type="number">
-        <check level="error" name="valid_entier" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_entier" warnings_only="False">
           <param name="mini" type="string">0</param>
           <param name="maxi" type="eole">creole.general.int2</param>
         </check>
diff --git a/tests/flattener_dicos/10check_optional/result/00-base.xml b/tests/flattener_dicos/10check_optional/result/00-base.xml
index 6c2da63..e664e46 100644
--- a/tests/flattener_dicos/10check_optional/result/00-base.xml
+++ b/tests/flattener_dicos/10check_optional/result/00-base.xml
@@ -9,10 +9,10 @@
         <value>b</value>
       </variable>
       <variable doc="No change" multi="False" name="int" type="number">
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.int2</param>
         </check>
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False"/>
+        <check name="valid_not_equal" warnings_only="False"/>
         <property>normal</property>
       </variable>
       <variable doc="No change" multi="False" name="int2" type="number">
diff --git a/tests/flattener_dicos/10check_valid_differ/result/00-base.xml b/tests/flattener_dicos/10check_valid_differ/result/00-base.xml
index 449999a..0e3d62b 100644
--- a/tests/flattener_dicos/10check_valid_differ/result/00-base.xml
+++ b/tests/flattener_dicos/10check_valid_differ/result/00-base.xml
@@ -4,7 +4,7 @@
     <family doc="general" name="general">
       <property>normal</property>
       <variable doc="No change" multi="False" name="mode_conteneur_actif" type="choice">
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif1</param>
         </check>
         <choice type="string">oui</choice>
diff --git a/tests/flattener_dicos/10check_valid_differ_add/result/00-base.xml b/tests/flattener_dicos/10check_valid_differ_add/result/00-base.xml
index 947f6c6..5ef78af 100644
--- a/tests/flattener_dicos/10check_valid_differ_add/result/00-base.xml
+++ b/tests/flattener_dicos/10check_valid_differ_add/result/00-base.xml
@@ -25,16 +25,16 @@
         <value type="string">non</value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif3" type="string">
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif1</param>
         </check>
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif2</param>
         </check>
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif1</param>
         </check>
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif2</param>
         </check>
         <property>mandatory</property>
diff --git a/tests/flattener_dicos/10check_valid_differ_removecheck/result/00-base.xml b/tests/flattener_dicos/10check_valid_differ_removecheck/result/00-base.xml
index f12591c..4c01226 100644
--- a/tests/flattener_dicos/10check_valid_differ_removecheck/result/00-base.xml
+++ b/tests/flattener_dicos/10check_valid_differ_removecheck/result/00-base.xml
@@ -25,10 +25,10 @@
         <value type="string">non</value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif3" type="string">
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif1</param>
         </check>
-        <check level="error" name="valid_not_equal" transitive="True" type="calculation" warnings_only="False">
+        <check name="valid_not_equal" warnings_only="False">
           <param type="eole">creole.general.mode_conteneur_actif2</param>
         </check>
         <property>mandatory</property>
diff --git a/tests/flattener_dicos/10check_valid_ipnetmask/result/00-base.xml b/tests/flattener_dicos/10check_valid_ipnetmask/result/00-base.xml
index dfdd4d0..3479a38 100644
--- a/tests/flattener_dicos/10check_valid_ipnetmask/result/00-base.xml
+++ b/tests/flattener_dicos/10check_valid_ipnetmask/result/00-base.xml
@@ -15,7 +15,7 @@
         <property>basic</property>
       </variable>
       <variable doc="Masque de sous réseau de la carte" multi="False" name="adresse_netmask_eth0" type="netmask">
-        <check level="error" name="valid_ip_netmask" transitive="True" type="calculation" warnings_only="True">
+        <check name="valid_ip_netmask" warnings_only="True">
           <param type="eole">creole.general.adresse_ip_eth0</param>
         </check>
         <property>mandatory</property>
diff --git a/tests/flattener_dicos/10load_frozenifin_auto/result/00-base.xml b/tests/flattener_dicos/10load_frozenifin_auto/result/00-base.xml
index 09ddcfe..34f73d3 100644
--- a/tests/flattener_dicos/10load_frozenifin_auto/result/00-base.xml
+++ b/tests/flattener_dicos/10load_frozenifin_auto/result/00-base.xml
@@ -19,7 +19,7 @@
         <property expected="oui" inverse="False" source="creole.general.condition" type="calculation">hidden</property>
         <property expected="oui" inverse="False" source="creole.general.condition" type="calculation">force_default_on_freeze</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="string">non</param>
+          <param transitive="False" type="string">non</param>
         </value>
       </variable>
       <variable doc="No change" multi="False" name="mode_conteneur_actif2" type="choice">
diff --git a/tests/flattener_dicos/10load_masterslaves/result/00-base.xml b/tests/flattener_dicos/10load_masterslaves/result/00-base.xml
index 787dae2..49f9a7d 100644
--- a/tests/flattener_dicos/10load_masterslaves/result/00-base.xml
+++ b/tests/flattener_dicos/10load_masterslaves/result/00-base.xml
@@ -19,13 +19,13 @@
         <variable doc="slave1" multi="True" name="slave1" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general1.master.slave1</param>
+            <param transitive="False" type="eole">creole.general1.master.slave1</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslave_autosaveexpert/result/00-base.xml b/tests/flattener_dicos/10masterslave_autosaveexpert/result/00-base.xml
index 1ffed95..de99fb9 100644
--- a/tests/flattener_dicos/10masterslave_autosaveexpert/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslave_autosaveexpert/result/00-base.xml
@@ -16,13 +16,13 @@
         <variable doc="slave1" multi="True" name="slave1" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>expert</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.slave1</param>
+            <param transitive="False" type="eole">creole.general.master.slave1</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslave_mandatory/result/00-base.xml b/tests/flattener_dicos/10masterslave_mandatory/result/00-base.xml
index c91d911..869457e 100644
--- a/tests/flattener_dicos/10masterslave_mandatory/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslave_mandatory/result/00-base.xml
@@ -17,13 +17,13 @@
           <property>mandatory</property>
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.slave1</param>
+            <param transitive="False" type="eole">creole.general.master.slave1</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslave_mastermandatory/result/00-base.xml b/tests/flattener_dicos/10masterslave_mastermandatory/result/00-base.xml
index 6c406af..3038677 100644
--- a/tests/flattener_dicos/10masterslave_mastermandatory/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslave_mastermandatory/result/00-base.xml
@@ -18,13 +18,13 @@
         <variable doc="slave1" multi="True" name="slave1" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.slave1</param>
+            <param transitive="False" type="eole">creole.general.master.slave1</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslave_multi/result/00-base.xml b/tests/flattener_dicos/10masterslave_multi/result/00-base.xml
index cb83482..1389076 100644
--- a/tests/flattener_dicos/10masterslave_multi/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslave_multi/result/00-base.xml
@@ -19,13 +19,13 @@
         <variable doc="slave1" multi="True" name="slave1" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general1.master.slave1</param>
+            <param transitive="False" type="eole">creole.general1.master.slave1</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslaves_append/result/00-base.xml b/tests/flattener_dicos/10masterslaves_append/result/00-base.xml
index b3b32e5..0600edf 100644
--- a/tests/flattener_dicos/10masterslaves_append/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslaves_append/result/00-base.xml
@@ -19,13 +19,13 @@
         <variable doc="slave1" multi="True" name="slave1" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general1.master.slave1</param>
+            <param transitive="False" type="eole">creole.general1.master.slave1</param>
           </value>
         </variable>
         <variable doc="slave3" multi="True" name="slave3" type="string">
diff --git a/tests/flattener_dicos/10masterslaves_auto/result/00-base.xml b/tests/flattener_dicos/10masterslaves_auto/result/00-base.xml
index 9835cc5..8b5f072 100644
--- a/tests/flattener_dicos/10masterslaves_auto/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslaves_auto/result/00-base.xml
@@ -19,7 +19,7 @@
           <property>hidden</property>
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
@@ -28,7 +28,7 @@
           <property>hidden</property>
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.slave1</param>
+            <param transitive="False" type="eole">creole.general.master.slave1</param>
           </value>
         </variable>
         <variable doc="slave3" multi="True" name="slave3" type="string">
@@ -37,7 +37,7 @@
           <property>hidden</property>
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.master</param>
+            <param transitive="False" type="eole">creole.general.master.master</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslaves_automaster/result/00-base.xml b/tests/flattener_dicos/10masterslaves_automaster/result/00-base.xml
index 3aad830..3040e55 100644
--- a/tests/flattener_dicos/10masterslaves_automaster/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslaves_automaster/result/00-base.xml
@@ -19,7 +19,7 @@
           <property>hidden</property>
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
@@ -28,7 +28,7 @@
           <property>hidden</property>
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.master</param>
+            <param transitive="False" type="eole">creole.general.master.master</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/10masterslaves_automaster_expert/result/00-base.xml b/tests/flattener_dicos/10masterslaves_automaster_expert/result/00-base.xml
index a9cdddf..8fba03d 100644
--- a/tests/flattener_dicos/10masterslaves_automaster_expert/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslaves_automaster_expert/result/00-base.xml
@@ -20,7 +20,7 @@
           <property>force_default_on_freeze</property>
           <property>frozen</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave1" multi="True" name="slave1" type="string">
diff --git a/tests/flattener_dicos/10masterslaves_familyaccent/result/00-base.xml b/tests/flattener_dicos/10masterslaves_familyaccent/result/00-base.xml
index cb98751..f462f37 100644
--- a/tests/flattener_dicos/10masterslaves_familyaccent/result/00-base.xml
+++ b/tests/flattener_dicos/10masterslaves_familyaccent/result/00-base.xml
@@ -16,13 +16,13 @@
         <variable doc="slave1" multi="True" name="slave1" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
           <property>normal</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" type="eole">creole.general.master.slave1</param>
+            <param transitive="False" type="eole">creole.general.master.slave1</param>
           </value>
         </variable>
       </leader>
diff --git a/tests/flattener_dicos/30mandatory_withoutvaluecalc/result/00-base.xml b/tests/flattener_dicos/30mandatory_withoutvaluecalc/result/00-base.xml
index 49daa39..886d436 100644
--- a/tests/flattener_dicos/30mandatory_withoutvaluecalc/result/00-base.xml
+++ b/tests/flattener_dicos/30mandatory_withoutvaluecalc/result/00-base.xml
@@ -9,7 +9,7 @@
         <property>hidden</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="string">value</param>
+          <param transitive="False" type="string">value</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/30mandatory_withvaluecalc/result/00-base.xml b/tests/flattener_dicos/30mandatory_withvaluecalc/result/00-base.xml
index cb7e140..aa279c9 100644
--- a/tests/flattener_dicos/30mandatory_withvaluecalc/result/00-base.xml
+++ b/tests/flattener_dicos/30mandatory_withvaluecalc/result/00-base.xml
@@ -6,7 +6,7 @@
       <variable doc="No change" multi="False" name="mode_conteneur_actif" type="string">
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="string">value</param>
+          <param transitive="False" type="string">value</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/40ifin_masterslavesauto/result/00-base.xml b/tests/flattener_dicos/40ifin_masterslavesauto/result/00-base.xml
index 49c2048..180b37d 100644
--- a/tests/flattener_dicos/40ifin_masterslavesauto/result/00-base.xml
+++ b/tests/flattener_dicos/40ifin_masterslavesauto/result/00-base.xml
@@ -27,7 +27,7 @@
           <property>normal</property>
           <property expected="oui" inverse="False" source="creole.general.condition" type="calculation">disabled</property>
           <value name="calc_val" type="calculation">
-            <param hidden="True" name="valeur" type="string">valfill</param>
+            <param name="valeur" transitive="False" type="string">valfill</param>
           </value>
         </variable>
         <variable doc="slave2" multi="True" name="slave2" type="string">
diff --git a/tests/flattener_dicos/51redefine_auto/result/00-base.xml b/tests/flattener_dicos/51redefine_auto/result/00-base.xml
index 24ce203..7361297 100644
--- a/tests/flattener_dicos/51redefine_auto/result/00-base.xml
+++ b/tests/flattener_dicos/51redefine_auto/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="concat" type="calculation">
-          <param hidden="True" name="valeur" type="string">non</param>
+          <param name="valeur" transitive="False" type="string">non</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/51redefine_autofill/result/00-base.xml b/tests/flattener_dicos/51redefine_autofill/result/00-base.xml
index 67ee6f6..41ee99c 100644
--- a/tests/flattener_dicos/51redefine_autofill/result/00-base.xml
+++ b/tests/flattener_dicos/51redefine_autofill/result/00-base.xml
@@ -9,7 +9,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="concat" type="calculation">
-          <param hidden="True" name="valeur" type="string">non</param>
+          <param name="valeur" transitive="False" type="string">non</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/51redefine_fill/result/00-base.xml b/tests/flattener_dicos/51redefine_fill/result/00-base.xml
index 24ce203..7361297 100644
--- a/tests/flattener_dicos/51redefine_fill/result/00-base.xml
+++ b/tests/flattener_dicos/51redefine_fill/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="concat" type="calculation">
-          <param hidden="True" name="valeur" type="string">non</param>
+          <param name="valeur" transitive="False" type="string">non</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/51redefine_fillauto/result/00-base.xml b/tests/flattener_dicos/51redefine_fillauto/result/00-base.xml
index 24ce203..7361297 100644
--- a/tests/flattener_dicos/51redefine_fillauto/result/00-base.xml
+++ b/tests/flattener_dicos/51redefine_fillauto/result/00-base.xml
@@ -12,7 +12,7 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="concat" type="calculation">
-          <param hidden="True" name="valeur" type="string">non</param>
+          <param name="valeur" transitive="False" type="string">non</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/60action_external/result/00-base.xml b/tests/flattener_dicos/60action_external/result/00-base.xml
index 3159d66..45509c1 100644
--- a/tests/flattener_dicos/60action_external/result/00-base.xml
+++ b/tests/flattener_dicos/60action_external/result/00-base.xml
@@ -87,7 +87,7 @@
         <property>hidden</property>
         <property>normal</property>
         <value name="calc_val" type="calculation">
-          <param hidden="True" type="string">http://localhost/</param>
+          <param transitive="False" type="string">http://localhost/</param>
         </value>
       </variable>
     </family>
diff --git a/tests/flattener_dicos/60extra_help/result/00-base.xml b/tests/flattener_dicos/60extra_help/result/00-base.xml
index 3fb23e9..0f9edc1 100644
--- a/tests/flattener_dicos/60extra_help/result/00-base.xml
+++ b/tests/flattener_dicos/60extra_help/result/00-base.xml
@@ -42,10 +42,10 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_multi_condition" type="calculation">
-          <param hidden="True" type="string">non</param>
-          <param hidden="False" name="condition_1" type="eole">creole.general.activer_ejabberd</param>
-          <param hidden="True" name="match" type="string">none</param>
-          <param hidden="True" name="mismatch" type="string">daily</param>
+          <param transitive="False" type="string">non</param>
+          <param name="condition_1" type="eole">creole.general.activer_ejabberd</param>
+          <param name="match" transitive="False" type="string">none</param>
+          <param name="mismatch" transitive="False" type="string">daily</param>
         </value>
       </variable>
       <variable doc="mode" multi="False" name="mode" type="choice">
diff --git a/tests/flattener_dicos/60extra_load/result/00-base.xml b/tests/flattener_dicos/60extra_load/result/00-base.xml
index b5eb1cf..36df5d3 100644
--- a/tests/flattener_dicos/60extra_load/result/00-base.xml
+++ b/tests/flattener_dicos/60extra_load/result/00-base.xml
@@ -42,10 +42,10 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_multi_condition" type="calculation">
-          <param hidden="True" type="string">non</param>
-          <param hidden="False" name="condition_1" type="eole">creole.general.activer_ejabberd</param>
-          <param hidden="True" name="match" type="string">none</param>
-          <param hidden="True" name="mismatch" type="string">daily</param>
+          <param transitive="False" type="string">non</param>
+          <param name="condition_1" type="eole">creole.general.activer_ejabberd</param>
+          <param name="match" transitive="False" type="string">none</param>
+          <param name="mismatch" transitive="False" type="string">daily</param>
         </value>
       </variable>
       <variable doc="mode" multi="False" name="mode" type="choice">
diff --git a/tests/flattener_dicos/60extra_mandatory/result/00-base.xml b/tests/flattener_dicos/60extra_mandatory/result/00-base.xml
index a5b227c..fef7a21 100644
--- a/tests/flattener_dicos/60extra_mandatory/result/00-base.xml
+++ b/tests/flattener_dicos/60extra_mandatory/result/00-base.xml
@@ -42,10 +42,10 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_multi_condition" type="calculation">
-          <param hidden="True" type="string">non</param>
-          <param hidden="False" name="condition_1" type="eole">creole.general.activer_ejabberd</param>
-          <param hidden="True" name="match" type="string">none</param>
-          <param hidden="True" name="mismatch" type="string">daily</param>
+          <param transitive="False" type="string">non</param>
+          <param name="condition_1" type="eole">creole.general.activer_ejabberd</param>
+          <param name="match" transitive="False" type="string">none</param>
+          <param name="mismatch" transitive="False" type="string">daily</param>
         </value>
       </variable>
       <variable doc="mode" multi="False" name="mode" type="choice">
diff --git a/tests/flattener_dicos/60extra_redefine/result/00-base.xml b/tests/flattener_dicos/60extra_redefine/result/00-base.xml
index 1483a00..05bb6f4 100644
--- a/tests/flattener_dicos/60extra_redefine/result/00-base.xml
+++ b/tests/flattener_dicos/60extra_redefine/result/00-base.xml
@@ -45,10 +45,10 @@
         <property>mandatory</property>
         <property>normal</property>
         <value name="calc_multi_condition" type="calculation">
-          <param hidden="True" type="string">non</param>
-          <param hidden="False" name="condition_1" type="eole">creole.general.activer_ejabberd</param>
-          <param hidden="True" name="match" type="string">none</param>
-          <param hidden="True" name="mismatch" type="string">daily</param>
+          <param transitive="False" type="string">non</param>
+          <param name="condition_1" type="eole">creole.general.activer_ejabberd</param>
+          <param name="match" transitive="False" type="string">none</param>
+          <param name="mismatch" transitive="False" type="string">daily</param>
         </value>
       </variable>
       <variable doc="mode" multi="False" name="mode" type="choice">
diff --git a/tests/flattener_dicos/70container_disknod/result/00-base.xml b/tests/flattener_dicos/70container_disknod/result/00-base.xml
index f8fed41..ec53d3b 100644
--- a/tests/flattener_dicos/70container_disknod/result/00-base.xml
+++ b/tests/flattener_dicos/70container_disknod/result/00-base.xml
@@ -9,8 +9,8 @@
             <property>frozen</property>
             <property>hidden</property>
             <value name="cdrom_minormajor" type="calculation">
-              <param hidden="True" type="string">major</param>
-              <param hidden="True" type="string">/etc/mailname'</param>
+              <param transitive="False" type="string">major</param>
+              <param transitive="False" type="string">/etc/mailname'</param>
             </value>
           </variable>
           <variable doc="" multi="False" name="minor" type="number">
@@ -18,8 +18,8 @@
             <property>frozen</property>
             <property>hidden</property>
             <value name="cdrom_minormajor" type="calculation">
-              <param hidden="True" type="string">minor</param>
-              <param hidden="True" type="string">/etc/mailname'</param>
+              <param transitive="False" type="string">minor</param>
+              <param transitive="False" type="string">/etc/mailname'</param>
             </value>
           </variable>
           <variable doc="" multi="False" name="mode" type="string">
@@ -36,7 +36,7 @@
             <property>frozen</property>
             <property>hidden</property>
             <value name="device_type" type="calculation">
-              <param hidden="True" type="string">/etc/mailname'</param>
+              <param transitive="False" type="string">/etc/mailname'</param>
             </value>
           </variable>
         </family>
diff --git a/tests/test_flattener.py b/tests/test_flattener.py
index 6e4559e..27bd188 100644
--- a/tests/test_flattener.py
+++ b/tests/test_flattener.py
@@ -30,8 +30,8 @@ for test in listdir(dico_dirs):
 excludes = set([])
 test_ok -= excludes
 test_raise -= excludes
-# test_ok = ['10check_base']
-# test_raise = []
+#test_ok = ['10autosave_hidden']
+#test_raise = []
 
 
 test_ok = list(test_ok)
@@ -85,7 +85,7 @@ def launch_flattener(test_dir):
     eolobj.save(destfile)
     result_file = join(test_dir, 'result/00-base.xml')
     if isfile(result_file):
-        eolobj.save(result_file)
+#        eolobj.save(result_file)
         compare_xml(destfile, result_file)