Fix bug in prepare_input_source (patched by Paul P., sourceforge.net down

now, so can't find number).

Lib/xml/sax/saxutils.py

@@ -218,7 +218,7 @@ def prepare_input_source(source, base = ""):
         source = xmlreader.InputSource()
         source.setByteStream(f)
         if hasattr(f, "name"):
-            f.setSystemId(f.name)
+            source.setSystemId(f.name)
 
     if source.getByteStream() is None:
         sysid = source.getSystemId()