diff -r 01d9d6bc1284 -r 2a5810c2f806 src/lemon/bits/item_reader.h
--- a/src/lemon/bits/item_reader.h	Sat May 14 17:20:40 2005 +0000
+++ b/src/lemon/bits/item_reader.h	Sat May 14 17:22:27 2005 +0000
@@ -14,7 +14,15 @@
  *
  */
 
-/// \ingroup io_group
+/// @defgroup item_io Item Readers and Writers
+/// @ingroup io_group
+/// \brief Item Readers and Writers
+/// 
+/// The Input-Output classes can handle more data type by example
+/// as map or attribute value. Each of these should be written and
+/// read some way. The module make possible to do this.  
+
+/// \ingroup item_io
 /// \file
 /// \brief Item reader bits for lemon input.
 
@@ -34,7 +42,7 @@
   template <typename Value>
   class DefaultReader;
 
-  /// \ingroup io_group
+  /// \ingroup item_io
   ///
   /// \brief Reader class for quoted strings.
   ///
@@ -149,7 +157,7 @@
     bool escaped;
   };
 
-  /// \ingroup io_group
+  /// \ingroup item_io
   /// \brief Reader for standard containers.
   ///
   /// Reader for back insertable standard containers. The representation
@@ -191,7 +199,7 @@
 
   };
 
-  /// \ingroup io_group
+  /// \ingroup item_io
   ///
   /// \brief Reader for standard containers.
   ///
@@ -234,7 +242,7 @@
 
   };
 
-  /// \ingroup io_group
+  /// \ingroup item_io
   /// \brief Reader for parsed string.
   ///
   /// Reader for parsed strings. You can give the open and close
@@ -281,7 +289,7 @@
 
   };
 
-  /// \ingroup io_group
+  /// \ingroup item_io
   /// \brief Reader for read the whole line.
   ///
   /// Reader for read the whole line.
@@ -311,7 +319,7 @@
     bool skipSpaces;
   };
 
-  /// \ingroup io_group
+  /// \ingroup item_io
   /// 
   /// \brief The default item reader template class.
   ///
@@ -353,7 +361,13 @@
   class DefaultReader<std::multiset<Item> > 
     : public InsertReader<std::multiset<Item> > {};
 
-  /// \ingroup io_group
+  /// \ingroup item_io
+  /// 
+  /// \brief The default item reader for skipping a value in the stream.
+  ///
+  /// The default item reader for skipping a value in the stream.
+  ///
+  /// \author Balazs Dezso
   class DefaultSkipper {
   public:
     typedef std::string Value;
@@ -375,7 +389,8 @@
       }
     }
   };
-  
+
+  /// \ingroup item_io  
   /// \brief Standard ReaderTraits for the GraphReader class.
   ///
   /// Standard ReaderTraits for the GraphReader class.