diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 6848367f6e4..6acd18b2e8a 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -633,6 +633,7 @@ _expectations = {
         test_poll
         test_popen
         test_popen2
+        test_posix
         test_pty
         test_pwd
         test_resource
diff --git a/Mac/Build/PythonCore.mcp b/Mac/Build/PythonCore.mcp
index 592253d18a8..7ec096f13e9 100644
Binary files a/Mac/Build/PythonCore.mcp and b/Mac/Build/PythonCore.mcp differ
diff --git a/Mac/Build/PythonInterpreter.mcp b/Mac/Build/PythonInterpreter.mcp
index 9779ce5f5e3..830d7663d0d 100644
Binary files a/Mac/Build/PythonInterpreter.mcp and b/Mac/Build/PythonInterpreter.mcp differ
diff --git a/Mac/Build/PythonStandSmall.mcp b/Mac/Build/PythonStandSmall.mcp
index 538815d4f43..131b9ba2504 100644
Binary files a/Mac/Build/PythonStandSmall.mcp and b/Mac/Build/PythonStandSmall.mcp differ
diff --git a/Mac/Build/_CG.carbon.mcp b/Mac/Build/_CG.carbon.mcp
index a4b6e73466d..da7927ec42d 100755
Binary files a/Mac/Build/_CG.carbon.mcp and b/Mac/Build/_CG.carbon.mcp differ
diff --git a/Mac/Distributions/(vise)/Python 2.3.vct b/Mac/Distributions/(vise)/Python 2.3.vct
index b876e5a3603..2e0cfd3bc7f 100644
Binary files a/Mac/Distributions/(vise)/Python 2.3.vct and b/Mac/Distributions/(vise)/Python 2.3.vct differ
diff --git a/Mac/Distributions/dev.include b/Mac/Distributions/dev.include
index 46d277ed00a..962ca5706ee 100644
--- a/Mac/Distributions/dev.include
+++ b/Mac/Distributions/dev.include
@@ -94,6 +94,9 @@
 (':Mac:Build:_AH.carbon.mcp', None)
 (':Mac:Build:_AH.carbon.mcp.exp', None)
 (':Mac:Build:_AH.carbon.mcp.xml', None)
+(':Mac:Build:_Alias.carbon.mcp', None)
+(':Mac:Build:_Alias.carbon.mcp.exp', None)
+(':Mac:Build:_Alias.carbon.mcp.xml', None)
 (':Mac:Build:_App.carbon.mcp', None)
 (':Mac:Build:_App.carbon.mcp.exp', None)
 (':Mac:Build:_App.carbon.mcp.xml', None)
@@ -139,12 +142,18 @@
 (':Mac:Build:_Evt.mcp', None)
 (':Mac:Build:_Evt.mcp.exp', None)
 (':Mac:Build:_Evt.mcp.xml', None)
+(':Mac:Build:_File.carbon.mcp', None)
+(':Mac:Build:_File.carbon.mcp.exp', None)
+(':Mac:Build:_File.carbon.mcp.xml', None)
 (':Mac:Build:_Fm.carbon.mcp', None)
 (':Mac:Build:_Fm.carbon.mcp.exp', None)
 (':Mac:Build:_Fm.carbon.mcp.xml', None)
 (':Mac:Build:_Fm.mcp', None)
 (':Mac:Build:_Fm.mcp.exp', None)
 (':Mac:Build:_Fm.mcp.xml', None)
+(':Mac:Build:_Folder.carbon.mcp', None)
+(':Mac:Build:_Folder.carbon.mcp.exp', None)
+(':Mac:Build:_Folder.carbon.mcp.xml', None)
 (':Mac:Build:_Help.carbon.mcp', None)
 (':Mac:Build:_Help.carbon.mcp.exp', None)
 (':Mac:Build:_Help.carbon.mcp.xml', None)
@@ -269,6 +278,9 @@
 (':Mac:Build:ctb.mcp', None)
 (':Mac:Build:ctb.mcp.exp', None)
 (':Mac:Build:ctb.mcp.xml', None)
+(':Mac:Build:datetime.carbon.mcp', None)
+(':Mac:Build:datetime.carbon.mcp.exp', None)
+(':Mac:Build:datetime.carbon.mcp.xml', None)
 (':Mac:Build:gdbm.carbon.mcp', None)
 (':Mac:Build:gdbm.carbon.mcp.exp', None)
 (':Mac:Build:gdbm.carbon.mcp.xml', None)
@@ -436,11 +448,13 @@
 (':Modules:Setup.dist', None)
 (':Modules:Setup.in', None)
 (':Modules:Setup.thread.in', None)
+(':Modules:_bsddb.c', None)
 (':Modules:_codecsmodule.c', None)
 (':Modules:_curses_panel.c', None)
 (':Modules:_cursesmodule.c', None)
 (':Modules:_hotshot.c', None)
 (':Modules:_localemodule.c', None)
+(':Modules:_randommodule.c', None)
 (':Modules:_sre.c', None)
 (':Modules:_ssl.c', None)
 (':Modules:_testcapimodule.c', None)
@@ -453,6 +467,7 @@
 (':Modules:audioop.c', None)
 (':Modules:binascii.c', None)
 (':Modules:bsddbmodule.c', None)
+(':Modules:bz2module.c', None)
 (':Modules:cPickle.c', None)
 (':Modules:cStringIO.c', None)
 (':Modules:ccpython.cc', None)
@@ -466,6 +481,7 @@
 (':Modules:cryptmodule.c', None)
 (':Modules:cstubs', None)
 (':Modules:cursesmodule.c', None)
+(':Modules:datetimemodule.c', None)
 (':Modules:dbmmodule.c', None)
 (':Modules:dlmodule.c', None)
 (':Modules:errnomodule.c', None)
@@ -500,6 +516,7 @@
 (':Modules:mpzmodule.c', None)
 (':Modules:nismodule.c', None)
 (':Modules:operator.c', None)
+(':Modules:ossaudiodev.c', None)
 (':Modules:parsermodule.c', None)
 (':Modules:pcre-int.h', None)
 (':Modules:pcre.h', None)
@@ -553,6 +570,7 @@
 (':Modules:xxsubtype.c', None)
 (':Modules:yuv.h', None)
 (':Modules:yuvconvert.c', None)
+(':Modules:zipimport.c', None)
 (':Modules:zlibmodule.c', None)
 (':Modules:zlibmodule.c~0', None)
 (':Modules:zlibmodule.c~1', None)
@@ -611,21 +629,6 @@
 (':readmefiles', None)
 (':setup.py', None)
 (':site-packages', None)
-(':Mac:Build:_Folder.carbon.mcp.xml', None)
-(':Mac:Build:_Folder.carbon.mcp.exp', None)
-(':Mac:Build:_Folder.carbon.mcp', None)
-(':Mac:Build:_File.carbon.mcp.xml', None)
-(':Mac:Build:_File.carbon.mcp.exp', None)
-(':Mac:Build:_File.carbon.mcp', None)
-(':Mac:Build:_Alias.carbon.mcp.xml', None)
-(':Mac:Build:_Alias.carbon.mcp.exp', None)
-(':Mac:Build:_Alias.carbon.mcp', None)
-(':Modules:zipimport.c', None)
-(':Modules:ossaudiodev.c', None)
-(':Modules:datetimemodule.c', None)
-(':Modules:bz2module.c', None)
-(':Modules:_randommodule.c', None)
-(':Modules:_bsddb.c', None)
-(':Mac:Build:datetime.carbon.mcp.xml', None)
-(':Mac:Build:datetime.carbon.mcp.exp', None)
-(':Mac:Build:datetime.carbon.mcp', None)
+(':Modules:itertoolsmodule.c', None)
+(':Modules:_iconv_codec.c', None)
+(':Mac:mwerks:mwerks_pyexpat_config.h', None)
diff --git a/Mac/Include/macbuildno.h b/Mac/Include/macbuildno.h
index 8882ac7ed76..f1564792ce5 100644
--- a/Mac/Include/macbuildno.h
+++ b/Mac/Include/macbuildno.h
@@ -1 +1 @@
-#define BUILD 148
+#define BUILD 154
diff --git a/Mac/ReadMe b/Mac/ReadMe
index f08ce6e1807..d5ea8f3c3d5 100644
--- a/Mac/ReadMe
+++ b/Mac/ReadMe
@@ -1,4 +1,4 @@
-How to install MacPython-OS9 2.3a1 on your Macintosh
+How to install MacPython-OS9 2.3a2 on your Macintosh
 ----------------------------------------------------
 
 This is a MacPython that can run on Mac OS 8.6 with CarbonLib
@@ -18,7 +18,7 @@ Two changes since 2.2 deserve special mention:
 - Most Mac-specific modules have moved to :Lib:plat-mac. :Mac:Lib now contains
   only modules that are not shared with MacPython-OSX 2.3.
 - macfs is now a pure Python wrapper module around various modules in the
-  Carbon package. For 2.3a1 only this wrapping is incomplete: fsspec.SetDates()
+  Carbon package. For 2.3a2 only this wrapping is incomplete: fsspec.SetDates()
   does not work yet. If you encounter any other problems please report them.
 
 ------
@@ -75,10 +75,9 @@ After installing
 It is probably a good idea to run the automatic tests. Start
 Python and "import test.regrtest ; test.regrtest.main()". 
 
-test_httplib fails with an unexpected output error, 
-this problem is being investigated.
+test_socket and test_logging fail, this problem is being investigated.
 
-test_socket fails, this problem is being investigated.
+test_tarfile fails, this problem is being investigated.
 
 Three tests will fail on MacOS9 with MemoryErrors:
 test_longexp, test_sha and test_zlib (on MacOSX these should pass).
@@ -124,7 +123,7 @@ Uninstalling
 
 Up to three items are installed in the MacOS 8 or 9 system folder: the interpreter
 shared library PythonCore lives in the Extensions
-folder and the "Python 2.3a1 Preferences" file in the Python subfolder
+folder and the "Python 2.3a2 Preferences" file in the Python subfolder
 in the Preferences folder. All the rest of Python lives in the folder
 you installed in.
 
@@ -168,9 +167,9 @@ this means you can keep your older version around if you are unsure
 whether to upgrade. The bad news is that your old preference settings
 are lost and you have to set them again.
 
-After you are satisfied that 2.3a1 works as expected you can trash
+After you are satisfied that 2.3a2 works as expected you can trash
 anything in the system folder that has "python" in the name and not
-"2.3a1".
+"2.3a2".
 
 The ConfigurePython applet will try to detect incompatible
 preferences files and offer to remove them. This means that re-running
diff --git a/Mac/Tools/IDE/PyEdit.py b/Mac/Tools/IDE/PyEdit.py
index e9e0f26f17d..ef31486785e 100644
--- a/Mac/Tools/IDE/PyEdit.py
+++ b/Mac/Tools/IDE/PyEdit.py
@@ -471,7 +471,7 @@ class Editor(W.Window):
 		except os.error:
 			pass
 		template = buildtools.findtemplate()
-		buildtools.process(template, filename, destname, rsrcname=rsrcname, progress=None)
+		buildtools.process(template, filename, destname, 1, rsrcname=rsrcname, progress=None)
 		try:
 			os.remove(filename)
 			os.rmdir(tmpdir)
diff --git a/Mac/_checkversion.py b/Mac/_checkversion.py
index 79cc5914cb8..91b395448b2 100644
--- a/Mac/_checkversion.py
+++ b/Mac/_checkversion.py
@@ -5,7 +5,7 @@ _checkversion.py file"""
 import pyversioncheck
 
 _PACKAGE="MacPython"
-_VERSION="2.2"
+_VERSION="2.3a2"
 _URL="http://www.cwi.nl/~jack/macpythonversion.txt"
 
 try:
diff --git a/Mac/mwerks/mwerks_pyexpat_config.h b/Mac/mwerks/mwerks_pyexpat_config.h
new file mode 100644
index 00000000000..4ca4b07cf37
--- /dev/null
+++ b/Mac/mwerks/mwerks_pyexpat_config.h
@@ -0,0 +1,9 @@
+/*
+** Configuration file for dynamically loaded Carbon pyexpat module.
+*/
+#include "mwerks_shcarbon_config.h"
+
+#define XML_NS 1
+#define XML_DTD 1
+#define BYTEORDER 4321
+#define XML_CONTEXT_BYTES 1024
diff --git a/Mac/scripts/genpluginprojects.py b/Mac/scripts/genpluginprojects.py
index e346e95d0b1..03ce54f65dd 100644
--- a/Mac/scripts/genpluginprojects.py
+++ b/Mac/scripts/genpluginprojects.py
@@ -101,7 +101,7 @@ def	genallprojects(force=0):
 	genpluginproject("carbon", "pyexpat", 
 		sources=["pyexpat.c", "xmlparse.c", "xmlrole.c", "xmltok.c"],
 		extradirs=[":::Modules:expat"],
-		prefixname="mwerks_shcarbon_config.h"
+		prefixname="mwerks_pyexpat_config.h"
 		)
 	genpluginproject("carbon", "zlib", 
 		libraries=["zlib.ppc.Lib"],