subfields need to be strings

diff --git a/marc-cleanup b/marc-cleanup
index dd1ac74..3838559 100755 (executable)
--- a/marc-cleanup
+++ b/marc-cleanup
@@ -624,9 +624,9 @@ sub initialize {
                          'nocollapse|n',
                          'renumber-from|rf=i',
                          'renumber-tag|rt=i',
-                         'renumber-subfield|rs=i',
+                         'renumber-subfield|rs=s',
                          'original-tag|ot=i',
-                         'original-subfield|os=i',
+                         'original-subfield|os=s',
                          'script',
                          'strip-nines',
                          'trashfile|t=s',