diff -r 6ae1a97055a2 -r ed6539025f27 doc/groups.dox
--- a/doc/groups.dox	Mon Feb 19 18:21:28 2007 +0000
+++ b/doc/groups.dox	Mon Feb 19 18:56:11 2007 +0000
@@ -165,7 +165,6 @@
 
 \image html edge_biconnected_components.png
 \image latex edge_biconnected_components.eps "bi-edge-connected components" width=\textwidth
-
 */
 
 /**
@@ -213,11 +212,22 @@
 
 */
 
+/**
+@defgroup lp_group
+@ingroup gen_opt_group
+\brief Lp and Mip solver interfaces for LEMON.
+
+This group describes Lp and Mip solver interfaces for LEMON. The
+various LP solvers could be used in the same manner with this
+interface.
+
+*/
+
 /** 
-\ingroup gen_opt_group 
-@defgroup gen_opt_tools Various Tools for Optimization 
-\brief This group adds some helper tools to general optimization
-framework implemented in LEMON.
+@defgroup lp_utils Tools for Lp and Mip solvers 
+@ingroup lp_group
+\brief This group adds some helper tools to the Lp and Mip solvers
+implemented in LEMON.
 
 This group adds some helper tools to general optimization framework
 implemented in LEMON.
@@ -225,6 +235,14 @@
 */
 
 /**
+@defgroup metah Metaheuristics
+@ingroup gen_opt_group
+\brief Metaheuristics for LEMON library.
+
+This group contains some metaheuristic optimization tools.
+*/
+
+/**
 @defgroup misc Miscellaneous Tools
 Here you can find several useful tools for development,
 debugging and testing.
@@ -254,7 +272,6 @@
 Methods for reading and writing LEMON format. More about this
 format you can find on the \ref graph-io-page "Graph Input-Output"
 tutorial pages.
-
 */
 
 /**