- src/lemon/utility.h: dummy<> template added
- LpSolverBase::INF is now really defined
- AddColSet() to add several column at once
- using enable_if
- with some doxygen hack
- More doc improvements
- Better Makefile

/*!

\page undir_graphs Undirected graph structures

The primary data structures of LEMON are the graph classes.

Under construction.

*/