+ # get contents of the source-element (usually used for publishing information). (These contents are saved in a custom variable named "source" in the header of the .ly file.)
+ def get_source (self):
+ source = self.get_named_children ('source')
+ ret = []
+ for r in source:
+ ret.append (r.get_text ())
+ return string.join (ret, "\n")
+