diff -r 916ec8699dc3 -r 85f1c483279e src/lemon/lp_glpk.h
--- a/src/lemon/lp_glpk.h	Fri Apr 08 14:21:40 2005 +0000
+++ b/src/lemon/lp_glpk.h	Fri Apr 08 14:40:37 2005 +0000
@@ -22,7 +22,7 @@
 
 #include "lp_base.h"
 extern "C" {
-#include "glpk.h"
+#include <glpk.h>
 }
 
 namespace lemon {
@@ -76,6 +76,8 @@
   public:
     ///Set the verbosity of the messages
 
+    ///Set the verbosity of the messages
+    ///
     ///\param m is the level of the messages output by the solver routines.
     ///The possible values are:
     ///- 0 --- no output (default value)
@@ -83,6 +85,12 @@
     ///- 2 --- normal output
     ///- 3 --- full output (includes informational messages)
     void messageLevel(int m);
+    ///Turns on or off the presolver
+
+    ///Turns on (\c b is \c true) or off (\c b is \c false) the presolver
+    ///
+    ///The presolver is off by default.
+    void presolver(bool b);
     
   };
 } //END OF NAMESPACE LEMON