--- PamCut/CollectionActions/Histo1DActions/Histo1DAction/Histo1DAction.h	2009/09/25 15:36:36	1.1
+++ PamCut/CollectionActions/Histo1DActions/Histo1DAction/Histo1DAction.h	2009/10/29 17:49:07	1.3
@@ -85,7 +85,7 @@
 
   /*! @brief Sets up the histogram
    *
-   * This routine effectively prepares the histogram, after the desired parameters has been set by #SetXAxis() and #SetYAxis().
+   * This routine effectively prepares the histogram, after the desired parameters has been set by #SetXAxis().
    *
    * @param events Pointer to PamLevel2 events (unused).
    */
@@ -108,7 +108,11 @@
     return _histo;
   }
 
-  /*! Fills the ROOT and the vector histogram. */
+  /*! Fills the ROOT and the vector histogram.
+   *
+   * @param value The value of the X coordinate associated to the event.
+   * @param weight The weight which will be applied to the event.
+   */
   void Fill(double value, double weight = 1.);
 
   /*! @brief The number of events which fell below the lower histogram limit. */
@@ -123,8 +127,11 @@
 
 protected:
 
+  /*! @brief The vector containing the limits of the bins(from lower to higher). */
   std::vector<float> _bins;
+  /*! @brief A vector containing the value of the histogram for each bin. */
   vector<HistoType> _histo;
+  /*! @brief The ROOT histogram. */
   TH1 *_rootHisto;
 
 private:
@@ -147,6 +154,15 @@
   // No ROOT histogram for generic type; see template specializations in .cpp file.
   _rootHisto = NULL;
 }
+// Specializations for _CreateHistos(). See Histo1DAction.cpp
+template<>
+void Histo1DAction<Int_t>::_CreateHisto();
+
+template<>
+void Histo1DAction<Float_t>::_CreateHisto();
+
+template<>
+void Histo1DAction<Double_t>::_CreateHisto();
 
 template<class HistoType>
 void Histo1DAction<HistoType>::_InitHistos() {
@@ -176,6 +192,10 @@
 
 template<class HistoType>
 Histo1DAction<HistoType>::~Histo1DAction() {
+
+  delete _rootHisto;
+  _rootHisto = NULL;
+
 }
 
 template<class HistoType>