diff --git a/pep-0302.txt b/pep-0302.txt
index 3f37a0c47..d6b466e51 100644
--- a/pep-0302.txt
+++ b/pep-0302.txt
@@ -502,6 +502,14 @@ Open Issues
     us nothing extra.  Whether loaders will ever need to carry so much
     independent state for this to become a real issue is questionable.
 
+    It was suggested on python-dev that it would be useful to be able to
+    receive a list of available modules from an importer and/or a list
+    of available data files for use with the get_data() method. The
+    protocol could grow two additional extensions, say list_modules()
+    and list_files().  The latter makes sense on loader objects with a
+    get_data() method.  However, it's a bit unclear which object should
+    implement list_modules(): the importer or the loader or both?
+
 
 Implementation