/**
\dir lemon
\brief Base include directory of LEMON

This is the base directory of lemon includes, so each include file must be
prefixed with this, e.g.
\code
#include<lemon/list_graph.h>
#include<lemon/dijkstra.h>
\endcode
*/

/**
\dir concept
\brief Concept descriptors and checking classes

This directory contains the concept descriptors and concept checkers. As a user
you typically don't have to deal with these files.
*/

/**
\dir bits
\brief Implementation helper files

This directory contains some helper classes to implement graphs, maps and
some other classes. As a user you typically don't have to deal with these 
files.
*/