diff --git a/items/xqitem.cpp b/items/xqitem.cpp
index cc4a622..dc9eb11 100644
--- a/items/xqitem.cpp
+++ b/items/xqitem.cpp
@@ -37,18 +37,18 @@ XQItem::XQItemFlagMap XQItem::s_ItemFlagMap
 
 XQItem::XQItemDataRoleMap XQItem::s_ItemDataRoleMap
 {
-  {"ItemTypeRole", ItemTypeRole},
-  {"ContentRole",  ContentRole},
-  {"RenderStyleRole", RenderStyleRole},
-  {"EditorTypeRole", EditorTypeRole},
-  {"ItemFlagsRole", FlagsRole},
-  {"UnitTypeRole", UnitTypeRole},
-  {"ContentFormatRole", ContentFormatRole},
-  {"FlagsRoleRole", FlagsRole},
-  {"IconRole", IconRole},
-  {"FixedChoicesRole", FixedChoicesRole},
-  {"DataNodeRole", ContentNodeRole},
-  {"SheetNodeRole", SheetNodeRole}
+  {"ItemType", ItemTypeRole},
+  {"Content",  ContentRole},
+  {"RenderStyle", RenderStyleRole},
+  {"EditorType", EditorTypeRole},
+  {"ItemFlags", FlagsRole},
+  {"UnitType", UnitTypeRole},
+  {"ContentFormat", ContentFormatRole},
+  {"FlagsRole", FlagsRole},
+  {"Icon", IconRole},
+  {"FixedChoices", FixedChoicesRole},
+  {"DataNode", ContentNodeRole},
+  {"SheetNode", SheetNodeRole}
 };
 
 // No bi-map needed here, qmap.key() is sufficient for the job
@@ -388,12 +388,7 @@ bool XQItem::isHeaderStyle()
 }
 
 
-QString XQItem::dataRoleName(int role)
-{
-  if( role < XQItem::NoRole && model() )
-    return model()->roleNames()[role];
-  return XQItem::fetchItemDataRoleName(role);
-}
+
 
 QVariant XQItem::data(int role ) const
 {
@@ -475,8 +470,7 @@ QVariant XQItem::data(int role ) const
 
 void XQItem::setData(const QVariant& value, int role )
 {
-
-  //qDebug() << " -- item set data: " << value.toString() << " for: " << role  << ": " << dataRoleName(role);
+  //replaceAttribute( XQItem* item, XQItem::ItemDataRole role, const QVariant& newValue)
 
   //emitDataChanged()
   switch(role)
@@ -495,34 +489,19 @@ void XQItem::setData(const QVariant& value, int role )
       itemType().replaceAttribute( this, value, role );
       break;
 
+    case ContentNodeRole:
+    case SheetNodeRole:
+
+    case TypeKeyRole:
     case Qt::DisplayRole :
     case Qt::EditRole :
     // return the raw, unformatted data
     case ContentRole:
-    {
-      //qDebug() << " -- item set data xxx: " << value.toString() << " for: " << role;
-      break;
 
-      QString* contentPtr = QStandardItem::data( XQItem::ContentRole ).value<QString*>();
-      if(contentPtr)
-      {
-
-        contentPtr->operator=( value.toString() );
-      }
-      return;
-    }
-
-    // what to do here?
-    case ContentNodeRole:
-    case SheetNodeRole:
-    case TypeKeyRole:
     default:
-      break;
+      QStandardItem::setData( value,role);
 
   }
-
-  QStandardItem::setData( value,role);
-
 }
 
 
@@ -555,8 +534,6 @@ int XQItem::fetchItemDataRole( const QString& dataRoleKey )
 
 QString XQItem::fetchItemDataRoleName( int dataRole )
 {
-  //if( dataRole < XQItem::NoRole)
-  //  return this->model()->
   return s_ItemDataRoleMap.key(dataRole);
 }
 
diff --git a/items/xqitem.h b/items/xqitem.h
index 7f219dd..3877712 100644
--- a/items/xqitem.h
+++ b/items/xqitem.h
@@ -225,7 +225,6 @@ public:
   bool isHeaderStyle();
   // ...
 
-  QString        dataRoleName(int role);
   QVariant       data(int role = Qt::DisplayRole ) const override;
   void           setData(const QVariant &value, int role ) override;
 
diff --git a/items/xqitemdelegate.h b/items/xqitemdelegate.h
index f3b706b..5ef16ae 100644
--- a/items/xqitemdelegate.h
+++ b/items/xqitemdelegate.h
@@ -40,7 +40,6 @@ public:
   void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
   QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
   QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
-
   void setEditorData(QWidget *editor, const QModelIndex &index) const override;
   void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
   void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
diff --git a/model/xqcommand.cpp b/model/xqcommand.cpp
index e23cdd4..9245322 100644
--- a/model/xqcommand.cpp
+++ b/model/xqcommand.cpp
@@ -105,7 +105,6 @@ void XQCommand::saveNodes( const QModelIndexList& list )
   }
 }
 
-
 //! erzeugt einen string aus dem command-type, fürs debuggen.
 
 QString XQCommand::toString()
diff --git a/model/xqcommand.h b/model/xqcommand.h
index 93608e7..b1c0c7a 100644
--- a/model/xqcommand.h
+++ b/model/xqcommand.h
@@ -27,9 +27,6 @@ struct XQNodeBackup
   XQNodePtr contentNode;
 };
 
-//!
-//! \brief The XQNodeStore class
-//!
 class XQNodeStore : public QVector<XQNodeBackup>
 {
 
@@ -40,9 +37,8 @@ public:
 
 };
 
-//! Das command enthält immer auch die betroffenen items
-//! ist also auch ein node store
-
+// Das command enthält immer auch die betroffenen items
+// ist also auch eine SavedNodeList
 class XQCommand : public QUndoCommand, public XQNodeStore
 {