diff -r 5e51c9eb5e83 -r ecb067198349 lemon/lemon_reader.h
--- a/lemon/lemon_reader.h	Fri Mar 24 20:27:42 2006 +0000
+++ b/lemon/lemon_reader.h	Mon Mar 27 08:01:10 2006 +0000
@@ -736,7 +736,7 @@
 
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for reading a graph's nodeset.
   ///
   /// The lemon format can store multiple graph nodesets with several maps.
@@ -954,7 +954,7 @@
     std::auto_ptr<_reader_bits::MapInverterBase<Node> > inverter;
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for reading a graph's edgeset.
   ///
   /// The lemon format can store multiple graph edgesets with several maps.
@@ -1192,7 +1192,7 @@
     std::auto_ptr<_reader_bits::LabelReaderBase<Node> > nodeLabelReader;
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for reading a undirected graph's edgeset.
   ///
   /// The lemon format can store multiple undirected edgesets with several 
@@ -1516,7 +1516,7 @@
     std::auto_ptr<_reader_bits::LabelReaderBase<Node> > nodeLabelReader;
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for reading labeled nodes.
   ///
   /// The nodes section's header line is \c \@nodes \c nodes_name, but the
@@ -1630,7 +1630,7 @@
     std::auto_ptr<_reader_bits::LabelReaderBase<Node> > nodeLabelReader;
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for reading labeled edges.
   ///
   /// The edges section's header line is \c \@edges \c edges_name, but the
@@ -1743,7 +1743,7 @@
     std::auto_ptr<_reader_bits::LabelReaderBase<Edge> > edgeLabelReader;
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for reading labeled undirected edges.
   ///
   /// The undirected edges section's header line is \c \@uedges 
@@ -1900,7 +1900,7 @@
     std::auto_ptr<_reader_bits::LabelReaderBase<Edge> > edgeLabelReader;
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for attributes.
   ///
   /// The lemon format can store multiple attribute set. Each set has
@@ -2020,7 +2020,7 @@
     Readers readers;  
   };
 
-  /// \ingroup io_group
+  /// \ingroup section_io
   /// \brief SectionReader for retrieve what is in the file.
   ///
   /// SectionReader for retrieve what is in the file. If you want