Added docstrings by Neal Norwitz.  This closes SF bug #450980.
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 4dc11a1..e48be72 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -8,6 +8,8 @@
 # See the sre.py file for information on usage and redistribution.
 #
 
+"""Internal support module for sre"""
+
 import _sre,sys
 
 from sre_constants import *