* Define a function for the XML-reading workaround in order to clean up a bit.

For the moment we keep to copies of it -- one for the use within the various
  musrfit programs, one that can be used in user functions.

* musrt0 is now again activated in musrgui/musredit by default.

src/include/PUserFcnBase.h

@@ -36,6 +36,7 @@
 using namespace std;
 
 #include "TObject.h"
+#include "TSAXParser.h"
 
 //--------------------------------------------------------------------------------------------
 /**
@@ -56,4 +57,9 @@ class PUserFcnBase : public TObject
   ClassDef(PUserFcnBase, 1)
 };
 
+//--------------------------------------------------------------------------
+// This function is a replacement for the ParseFile method of TSAXParser.
+//--------------------------------------------------------------------------
+Int_t parseXmlFile(TSAXParser*, const Char_t*);
+
 #endif // _PUSERFCNBASE_H_