app/mixin_logic/metadata_helper.rb in umlaut-4.1.0.pre3 vs app/mixin_logic/metadata_helper.rb in umlaut-4.1.0

@@ -249,10 +249,10 @@
   # Gets isbn, also removes any weird stuff on the end sometimes
   # included as 'isbn', but not part of the isbn. Like (paperback)
   # and such.
   def get_isbn(rft)
     isbn = get_identifier(:urn, "isbn", rft)
-    isbn = isbn.gsub(/[^\dX-]/, '') if isbn
+    isbn = isbn.gsub(/[^\dX]/, '') if isbn
     return nil if isbn.blank?
     return isbn
   end
 
   def get_oclcnum(rft)