Index: trunk/MagicSoft/Mars/mdata/MDataMember.cc
===================================================================
--- trunk/MagicSoft/Mars/mdata/MDataMember.cc	(revision 1326)
+++ trunk/MagicSoft/Mars/mdata/MDataMember.cc	(revision 1327)
@@ -132,5 +132,5 @@
 // Print the name of the data member without an CR.
 //
-void MDataMember::Print(Option_t *opt = "") const
+void MDataMember::Print(Option_t *opt) const
 {
     *fLog << fName << flush;
Index: trunk/MagicSoft/Mars/mdata/MDataValue.cc
===================================================================
--- trunk/MagicSoft/Mars/mdata/MDataValue.cc	(revision 1326)
+++ trunk/MagicSoft/Mars/mdata/MDataValue.cc	(revision 1327)
@@ -42,5 +42,5 @@
 // Print the value
 //
-void MDataValue::Print(Option_t *opt = "") const
+void MDataValue::Print(Option_t *opt) const
 {
     *fLog << fValue << flush;