diff -r 4c63ff4e16fa -r 806451fd084b src/lemon/fib_heap.h
--- a/src/lemon/fib_heap.h	Mon Mar 28 23:34:26 2005 +0000
+++ b/src/lemon/fib_heap.h	Tue Mar 29 07:35:09 2005 +0000
@@ -88,10 +88,24 @@
       POST_HEAP = -2
     };
     
+    ///The constructor
+
+    /**
+       \c _iimap should be given to the constructor, since it is
+       used internally to handle the cross references.
+    */
     explicit FibHeap(ItemIntMap &_iimap) 
       : minimum(0), iimap(_iimap), num_items() {} 
+ 
+    ///The constructor
+
+    /**
+       \c _iimap should be given to the constructor, since it is used
+       internally to handle the cross references. \c _comp is an
+       object for ordering of the priorities. 
+    */
     FibHeap(ItemIntMap &_iimap, const Compare &_comp) : minimum(0), 
-      iimap(_iimap), comp(_comp), num_items() {}
+		  iimap(_iimap), comp(_comp), num_items() {}
     
     ///The number of items stored in the heap.