diff --git a/Lib/poplib.py b/Lib/poplib.py
index c67cbc6..fb24a0f 100644
--- a/Lib/poplib.py
+++ b/Lib/poplib.py
@@ -14,6 +14,8 @@
 
 import re, socket
 
+__all__ = ["POP3","error_proto"]
+
 # Exception raised when an error or invalid response is received:
 
 class error_proto(Exception): pass
diff --git a/Lib/posixfile.py b/Lib/posixfile.py
index 58c4b4f..da374ad 100644
--- a/Lib/posixfile.py
+++ b/Lib/posixfile.py
@@ -53,6 +53,8 @@
               query only
 """
 
+__all__ = ["open","fileopen","SEEK_SET","SEEK_CUR","SEEK_END"]
+
 class _posixfile_:
     """File wrapper class that provides extra POSIX file routines."""
 
diff --git a/Lib/posixpath.py b/Lib/posixpath.py
index 2d18f5d..223d6ba 100644
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -13,6 +13,11 @@
 import os
 import stat
 
+__all__ = ["normcase","isabs","join","splitdrive","split","splitext",
+           "basename","dirname","commonprefix","getsize","getmtime",
+           "getatime","islink","exists","isdir","isfile","ismount",
+           "walk","expanduser","expandvars","normpath","abspath",
+           "samefile","sameopenfile","samestat"]
 
 # Normalize the case of a pathname.  Trivial in Posix, string.lower on Mac.
 # On MS-DOS this may also turn slashes into backslashes; however, other
diff --git a/Lib/pprint.py b/Lib/pprint.py
index 8e10e9d..814ca48 100644
--- a/Lib/pprint.py
+++ b/Lib/pprint.py
@@ -41,6 +41,8 @@
 except ImportError:
     from StringIO import StringIO
 
+__all__ = ["pprint","pformat","isreadable","isrecursive","saferepr",
+           "PrettyPrinter"]
 
 def pprint(object, stream=None):
     """Pretty-print a Python object to a stream [default is sys.sydout]."""
diff --git a/Lib/pre.py b/Lib/pre.py
index 35d3e3a..30f0491 100644
--- a/Lib/pre.py
+++ b/Lib/pre.py
@@ -87,6 +87,8 @@
 import sys
 from pcre import *
 
+__all__ = ["match","search","sub","subn","split","findall","escape","compile"]
+
 #
 # First, the public part of the interface:
 #
diff --git a/Lib/profile.py b/Lib/profile.py
index c32b3f8..afc47eb 100755
--- a/Lib/profile.py
+++ b/Lib/profile.py
@@ -40,6 +40,7 @@
 import time
 import marshal
 
+__all__ = ["run","help","Profile"]
 
 # Sample timer for use with
 #i_count = 0
diff --git a/Lib/pstats.py b/Lib/pstats.py
index 764d89c..ea459d7 100644
--- a/Lib/pstats.py
+++ b/Lib/pstats.py
@@ -39,6 +39,8 @@
 
 import fpformat
 
+__all__ = ["Stats"]
+
 class Stats:
     """This class is used for creating reports from data generated by the
     Profile class.  It is a "friend" of that class, and imports data either
diff --git a/Lib/pty.py b/Lib/pty.py
index ef2113b..64d391b 100644
--- a/Lib/pty.py
+++ b/Lib/pty.py
@@ -10,6 +10,8 @@
 import os, FCNTL
 import tty
 
+__all__ = ["openpty","fork","spawn"]
+
 STDIN_FILENO = 0
 STDOUT_FILENO = 1
 STDERR_FILENO = 2
diff --git a/Lib/py_compile.py b/Lib/py_compile.py
index da3bdaf..48c4afc 100644
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -6,6 +6,8 @@
 import imp
 MAGIC = imp.get_magic()
 
+__all__ = ["compile"]
+
 def wr_long(f, x):
     """Internal; write a 32-bit int to a file in little-endian order."""
     f.write(chr( x        & 0xff))
diff --git a/Lib/pyclbr.py b/Lib/pyclbr.py
index b4e934b..c9bb2fe 100644
--- a/Lib/pyclbr.py
+++ b/Lib/pyclbr.py
@@ -59,6 +59,8 @@
 import re
 import string
 
+__all__ = ["readmodule"]
+
 TABWIDTH = 8
 
 _getnext = re.compile(r"""
diff --git a/Lib/quopri.py b/Lib/quopri.py
index 5bb11f6..5f5e80c 100755
--- a/Lib/quopri.py
+++ b/Lib/quopri.py
@@ -4,6 +4,8 @@
 
 # (Dec 1991 version).
 
+__all__ = ["encode","decode"]
+
 ESCAPE = '='
 MAXLINESIZE = 76
 HEX = '0123456789ABCDEF'
diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index f6f00c5..cced859 100644
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -99,4 +99,15 @@
 check_all("pickle")
 check_all("pipes")
 check_all("popen2")
+check_all("poplib")
+check_all("posixfile")
+check_all("posixpath")
+check_all("pprint")
+check_all("pre")
+check_all("profile")
+check_all("pstats")
+check_all("pty")
+check_all("py_compile")
+check_all("pyclbr")
+check_all("quopri")
 check_all("robotparser")