Index: trunk/MagicSoft/Mars/mhist/MBinning.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MBinning.cc	(revision 1474)
+++ trunk/MagicSoft/Mars/mhist/MBinning.cc	(revision 1476)
@@ -70,5 +70,5 @@
 // gui elements to a macro-file.
 //
-void MBinning::SavePrimitive(ofstream &out, Option_t *o="")
+void MBinning::SavePrimitive(ofstream &out, Option_t *o)
 {
     out << "   TArrayD dummy;" << endl;
Index: trunk/MagicSoft/Mars/mhist/MFillH.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillH.cc	(revision 1474)
+++ trunk/MagicSoft/Mars/mhist/MFillH.cc	(revision 1476)
@@ -350,5 +350,5 @@
 // gui elements to a macro-file.
 //
-void MFillH::SavePrimitive(ofstream &out, Option_t *o="")
+void MFillH::SavePrimitive(ofstream &out, Option_t *o)
 {
     out << "   MFillH " << ToLower(fName) << "(\"";
Index: trunk/MagicSoft/Mars/mhist/MH3.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MH3.cc	(revision 1474)
+++ trunk/MagicSoft/Mars/mhist/MH3.cc	(revision 1476)
@@ -384,5 +384,5 @@
 // gui elements to a macro-file.
 //
-void MH3::SavePrimitive(ofstream &out, Option_t *o="")
+void MH3::SavePrimitive(ofstream &out, Option_t *o)
 {
     TString name = ToLower(fName);