--- a/web/formfields.py	Thu Jun 10 10:18:34 2010 +0200
+++ b/web/formfields.py	Thu Jun 10 14:16:47 2010 +0200
@@ -1084,18 +1084,13 @@
 
 _AFF_KWARGS = uicfg.autoform_field_kwargs
 
-def guess_field(eschema, rschema, role='subject', skip_meta_attr=True, **kwargs):
+def guess_field(eschema, rschema, role='subject', **kwargs):
     """This function return the most adapted field to edit the given relation
     (`rschema`) where the given entity type (`eschema`) is the subject or object
     (`role`).
 
     The field is initialized according to information found in the schema,
     though any value can be explicitly specified using `kwargs`.
-
-    The `skip_meta_attr` flag is used to specify wether this function should
-    return a field for attributes considered as a meta-attributes
-    (e.g. describing an other attribute, such as the format or file name of a
-    file (`Bytes`) attribute).
     """
     fieldclass = None
     rdef = eschema.rdef(rschema, role)
@@ -1117,8 +1112,6 @@
         kwargs.setdefault('label', (eschema.type, rschema.type))
     kwargs.setdefault('help', rdef.description)
     if rschema.final:
-        if skip_meta_attr and rschema in eschema.meta_attributes():
-            return None
         fieldclass = FIELDS[targetschema]
         if fieldclass is StringField:
             if eschema.has_metadata(rschema, 'format'):
@@ -1144,7 +1137,6 @@
                 if metaschema is not None:
                     metakwargs = _AFF_KWARGS.etype_get(eschema, metaschema, 'subject')
                     kwargs['%s_field' % metadata] = guess_field(eschema, metaschema,
-                                                                skip_meta_attr=False,
                                                                 **metakwargs)
         return fieldclass(**kwargs)
     return RelationField.fromcardinality(card, **kwargs)

--- a/web/test/unittest_formfields.py	Thu Jun 10 10:18:34 2010 +0200
+++ b/web/test/unittest_formfields.py	Thu Jun 10 14:16:47 2010 +0200
@@ -15,9 +15,7 @@
 #
 # You should have received a copy of the GNU Lesser General Public License along
 # with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
-"""unittests for cw.web.formfields
-
-"""
+"""unittests for cw.web.formfields"""
 
 from logilab.common.testlib import TestCase, unittest_main, mock_object as mock
 
@@ -53,10 +51,10 @@
         self.assertEquals(description_field.required, False)
         self.assertEquals(description_field.format_field, None)
 
+        # description_format_field = guess_field(schema['State'], schema['description_format'])
+        # self.assertEquals(description_format_field, None)
+
         description_format_field = guess_field(schema['State'], schema['description_format'])
-        self.assertEquals(description_format_field, None)
-
-        description_format_field = guess_field(schema['State'], schema['description_format'], skip_meta_attr=False)
         self.assertEquals(description_format_field.internationalizable, True)
         self.assertEquals(description_format_field.sort, True)
 
@@ -88,12 +86,12 @@
 
 
     def test_file_fields(self):
-        data_format_field = guess_field(schema['File'], schema['data_format'])
-        self.assertEquals(data_format_field, None)
-        data_encoding_field = guess_field(schema['File'], schema['data_encoding'])
-        self.assertEquals(data_encoding_field, None)
-        data_name_field = guess_field(schema['File'], schema['data_name'])
-        self.assertEquals(data_name_field, None)
+        # data_format_field = guess_field(schema['File'], schema['data_format'])
+        # self.assertEquals(data_format_field, None)
+        # data_encoding_field = guess_field(schema['File'], schema['data_encoding'])
+        # self.assertEquals(data_encoding_field, None)
+        # data_name_field = guess_field(schema['File'], schema['data_name'])
+        # self.assertEquals(data_name_field, None)
 
         data_field = guess_field(schema['File'], schema['data'])
         self.assertIsInstance(data_field, FileField)

--- a/web/uicfg.py	Thu Jun 10 10:18:34 2010 +0200
+++ b/web/uicfg.py	Thu Jun 10 14:16:47 2010 +0200
@@ -218,6 +218,12 @@
             sectdict.setdefault('main', 'hidden')
             sectdict.setdefault('muledit', 'hidden')
             sectdict.setdefault('inlined', 'hidden')
+        elif role == 'subject' and rschema in sschema.meta_attributes():
+            # meta attribute, usually embeded by the described attribute's field
+            # (eg RichTextField, FileField...)
+            sectdict.setdefault('main', 'hidden')
+            sectdict.setdefault('muledit', 'hidden')
+            sectdict.setdefault('inlined', 'hidden')
         # ensure we have a tag for each form type
         if not 'main' in sectdict:
             if not rschema.final and (