Index: /trunk/Mars/mfileio/MFitsArray.cc
===================================================================
--- /trunk/Mars/mfileio/MFitsArray.cc	(revision 14868)
+++ /trunk/Mars/mfileio/MFitsArray.cc	(revision 14869)
@@ -159,5 +159,5 @@
    fArraySize = fClonesArray->GetLast() + 1;
 
-   for (int idx = 0; idx < fArraySize; idx++)
+   for (UInt_t idx = 0; idx < fArraySize; idx++)
       {
       // copy the data of one class to fDataBuffer                           
Index: /trunk/Mars/mfileio/MTopFitsGroup.cc
===================================================================
--- /trunk/Mars/mfileio/MTopFitsGroup.cc	(revision 14868)
+++ /trunk/Mars/mfileio/MTopFitsGroup.cc	(revision 14869)
@@ -23,4 +23,5 @@
 //   fTopGroup.SetChild(table);
 //   return fTopGroup.Read();
+    return false;
 }
 
Index: /trunk/Mars/mfileio/MWriteFitsFile.cc
===================================================================
--- /trunk/Mars/mfileio/MWriteFitsFile.cc	(revision 14868)
+++ /trunk/Mars/mfileio/MWriteFitsFile.cc	(revision 14869)
@@ -371,4 +371,5 @@
 
       ofits* fitsTable = new ofits();
+      fitsTable->AllowCommentsTrimming(true);
       TString dol = fileNameNoExt;
       //get rid of the ".root" extension in the file name (if any)