Add comment to Distutil files about requiring 1.5.2 compatibility, as
    suggested by PEP 291.
diff --git a/Lib/distutils/command/__init__.py b/Lib/distutils/command/__init__.py
index e70429c..fc61171 100644
--- a/Lib/distutils/command/__init__.py
+++ b/Lib/distutils/command/__init__.py
@@ -3,6 +3,8 @@
 Package containing implementation of all the standard Distutils
 commands."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 __all__ = ['build',
diff --git a/Lib/distutils/command/bdist.py b/Lib/distutils/command/bdist.py
index e0648f3..7c606ff 100644
--- a/Lib/distutils/command/bdist.py
+++ b/Lib/distutils/command/bdist.py
@@ -3,6 +3,8 @@
 Implements the Distutils 'bdist' command (create a built [binary]
 distribution)."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import os, string
diff --git a/Lib/distutils/command/bdist_dumb.py b/Lib/distutils/command/bdist_dumb.py
index 7562b70..d1cce55 100644
--- a/Lib/distutils/command/bdist_dumb.py
+++ b/Lib/distutils/command/bdist_dumb.py
@@ -4,6 +4,8 @@
 distribution -- i.e., just an archive to be unpacked under $prefix or
 $exec_prefix)."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import os
diff --git a/Lib/distutils/command/bdist_rpm.py b/Lib/distutils/command/bdist_rpm.py
index a7bc45f..237cc70 100644
--- a/Lib/distutils/command/bdist_rpm.py
+++ b/Lib/distutils/command/bdist_rpm.py
@@ -3,6 +3,8 @@
 Implements the Distutils 'bdist_rpm' command (create RPM source and binary
 distributions)."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string
diff --git a/Lib/distutils/command/bdist_wininst.py b/Lib/distutils/command/bdist_wininst.py
index c5cfd6d..9c9fd10 100644
--- a/Lib/distutils/command/bdist_wininst.py
+++ b/Lib/distutils/command/bdist_wininst.py
@@ -3,6 +3,8 @@
 Implements the Distutils 'bdist_wininst' command: create a windows installer
 exe-program."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string
diff --git a/Lib/distutils/command/build.py b/Lib/distutils/command/build.py
index 0643948..7823154 100644
--- a/Lib/distutils/command/build.py
+++ b/Lib/distutils/command/build.py
@@ -2,6 +2,8 @@
 
 Implements the Distutils 'build' command."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os
diff --git a/Lib/distutils/command/build_clib.py b/Lib/distutils/command/build_clib.py
index fe921fb..ef03ed7 100644
--- a/Lib/distutils/command/build_clib.py
+++ b/Lib/distutils/command/build_clib.py
@@ -4,6 +4,8 @@
 that is included in the module distribution and needed by an extension
 module."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 0b3ef14..0c37768 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -4,6 +4,8 @@
 modules (currently limited to C extensions, should accommodate C++
 extensions ASAP)."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string, re
diff --git a/Lib/distutils/command/build_py.py b/Lib/distutils/command/build_py.py
index f61dc17..258d6d4 100644
--- a/Lib/distutils/command/build_py.py
+++ b/Lib/distutils/command/build_py.py
@@ -2,6 +2,8 @@
 
 Implements the Distutils 'build_py' command."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, string, os
diff --git a/Lib/distutils/command/build_scripts.py b/Lib/distutils/command/build_scripts.py
index e4d6099..b7c11d4 100644
--- a/Lib/distutils/command/build_scripts.py
+++ b/Lib/distutils/command/build_scripts.py
@@ -2,6 +2,8 @@
 
 Implements the Distutils 'build_scripts' command."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, re
diff --git a/Lib/distutils/command/clean.py b/Lib/distutils/command/clean.py
index 36252d5..41b2277 100644
--- a/Lib/distutils/command/clean.py
+++ b/Lib/distutils/command/clean.py
@@ -4,6 +4,8 @@
 
 # contributed by Bastian Kleineidam <calvin@cs.uni-sb.de>, added 2000-03-18
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import os
diff --git a/Lib/distutils/command/config.py b/Lib/distutils/command/config.py
index abfa138..b6f5ad1 100644
--- a/Lib/distutils/command/config.py
+++ b/Lib/distutils/command/config.py
@@ -9,6 +9,8 @@
 this header file lives".
 """
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string, re
diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
index 9adda46..5d5bdaa 100644
--- a/Lib/distutils/command/install.py
+++ b/Lib/distutils/command/install.py
@@ -4,6 +4,8 @@
 
 from distutils import log
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string
diff --git a/Lib/distutils/command/install_data.py b/Lib/distutils/command/install_data.py
index d0091ce..5c1f18a 100644
--- a/Lib/distutils/command/install_data.py
+++ b/Lib/distutils/command/install_data.py
@@ -5,6 +5,8 @@
 
 # contributed by Bastian Kleineidam
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import os
diff --git a/Lib/distutils/command/install_headers.py b/Lib/distutils/command/install_headers.py
index 957ed23..3a37d30 100644
--- a/Lib/distutils/command/install_headers.py
+++ b/Lib/distutils/command/install_headers.py
@@ -3,6 +3,8 @@
 Implements the Distutils 'install_headers' command, to install C/C++ header
 files to the Python include directory."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import os
diff --git a/Lib/distutils/command/install_lib.py b/Lib/distutils/command/install_lib.py
index 5da1c7a..daf3e01 100644
--- a/Lib/distutils/command/install_lib.py
+++ b/Lib/distutils/command/install_lib.py
@@ -1,3 +1,5 @@
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string
diff --git a/Lib/distutils/command/install_scripts.py b/Lib/distutils/command/install_scripts.py
index ceece1b..6572e65 100644
--- a/Lib/distutils/command/install_scripts.py
+++ b/Lib/distutils/command/install_scripts.py
@@ -5,6 +5,8 @@
 
 # contributed by Bastian Kleineidam
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import os
diff --git a/Lib/distutils/command/sdist.py b/Lib/distutils/command/sdist.py
index 91807e6..c0b7dd4 100644
--- a/Lib/distutils/command/sdist.py
+++ b/Lib/distutils/command/sdist.py
@@ -2,6 +2,8 @@
 
 Implements the Distutils 'sdist' command (create a source distribution)."""
 
+# This module should be kept compatible with Python 1.5.2.
+
 __revision__ = "$Id$"
 
 import sys, os, string