musicxml: if no work-number or opus is found, return an empty string.

diff --git a/python/musicxml.py b/python/musicxml.py
index 2056805aeee13accd26da2173f1404c5019b18b5..12cc62a777e85fee41d03f6c209cc84a33dceee5 100644 (file)
--- a/python/musicxml.py
+++ b/python/musicxml.py
@@ -88,7 +88,7 @@ class Work (Xml_node):
         if wt:
             return wt.get_text ()
         else:
-            return self.get_text ()
+            return ''
       
     def get_work_title (self):
         return self.get_work_information ('work-title')