--- a/pvl/backup/invoke.py	Sat Feb 16 22:53:00 2013 +0200
+++ b/pvl/backup/invoke.py	Mon Apr 22 00:36:14 2013 +0300
@@ -1,5 +1,7 @@
 """
     Invoke external commands.
+
+    XXX: replace with pvl.invoke
 """
 
 import subprocess