diff -r ecc1cdea2ee7 -r a8dd11348853 src/lemon/lp_glpk.h
--- a/src/lemon/lp_glpk.h	Fri Apr 08 15:22:46 2005 +0000
+++ b/src/lemon/lp_glpk.h	Fri Apr 08 15:24:01 2005 +0000
@@ -19,6 +19,7 @@
 
 ///\file
 ///\brief Header of the LEMON-GLPK lp solver interface.
+///\ingroup gen_opt_group
 
 #include "lp_base.h"
 extern "C" {
@@ -31,6 +32,7 @@
   /// \brief Wrapper for GLPK solver
   /// 
   /// This class implements a lemon wrapper for GLPK.
+  ///\ingroup gen_opt_group
   class LpGlpk : public LpSolverBase {
   protected:
     LPX* lp;