1.1 --- a/doc/groups.dox	Fri Dec 03 12:19:26 2004 +0000
     1.2 +++ b/doc/groups.dox	Mon Dec 06 00:30:44 2004 +0000
     1.3 @@ -80,15 +80,27 @@
     1.4  */
     1.5  
     1.6  /**
     1.7 -@defgroup concept Concept
     1.8 +@defgroup concept Concepts
     1.9  \brief Skeleton classes and concept checking classes
    1.10  
    1.11  This group describes the data/algorithm skeletons and concept checking
    1.12 -classes implemented in LEMON. These classes exist in order to make it
    1.13 -easier to check if a certain template class or template function is
    1.14 -correctly implemented.
    1.15 +classes implemented in LEMON.
    1.16 +
    1.17 +One aim of these classes is to make it easier to check if a certain
    1.18 +class or template function is correctly implemented.
    1.19 +
    1.20 +The other (sometimes even more important) aim is to document the concepts.
    1.21 +
    1.22  */
    1.23  
    1.24 +/**
    1.25 +@defgroup graph_concepts Graph Structure Concepts
    1.26 +@ingroup concept
    1.27 +\brief Skeleton and concept checking classes for graph structures
    1.28 +
    1.29 +This group contains the skeletons and concept checking classes of LEMON's
    1.30 +graph structures and helper classes used to implement these.
    1.31 +*/
    1.32  
    1.33  /**
    1.34  @defgroup experimental Experimental Structures and Algorithms