* Added Fixcprt.py: script to fix copyright message.
* various modules: added 1993 to copyright.
* thread.c: added copyright notice.
* ceval.c: minor change to error message for "+"
* stdwinmodule.c: check for error from wfetchcolor
* config.c: MS-DOS fixes (define PYTHONPATH, use DELIM, use osdefs.h)
* Add declaration of inittab to import.h
* sysmodule.c: added sys.builtin_module_names
* xxmodule.c, xxobject.c: fix minor errors
diff --git a/Python/ceval.c b/Python/ceval.c
index a46fd36..b28f17c 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -1577,10 +1577,8 @@
 		DECREF(w);
 		return x;
 	}
-	else {
-		err_setstr(TypeError, "+ not supported by operands");
-		return NULL;
-	}
+	err_setstr(TypeError, "bad operand type(s) for +");
+	return NULL;
 }
 
 static object *
diff --git a/Python/import.c b/Python/import.c
index 44f6d7b..da9422b 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -395,11 +395,6 @@
 
 /* Initialize built-in modules when first imported */
 
-extern struct {
-	char *name;
-	void (*initfunc)();
-} inittab[];
-
 static int
 init_builtin(name)
 	char *name;
diff --git a/Python/modsupport.c b/Python/modsupport.c
index 1f28126..f92739a 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 5dff38e..2ad8a26 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1,6 +1,6 @@
 /***********************************************************
-Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
-Netherlands.
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
 
                         All Rights Reserved
 
@@ -154,6 +154,23 @@
 
 static object *sysin, *sysout, *syserr;
 
+static object *
+list_builtin_module_names()
+{
+	object *list = newlistobject(0);
+	int i;
+	if (list == NULL)
+		return NULL;
+	for (i = 0; inittab[i].name != NULL; i++) {
+		object *name = newstringobject(inittab[i].name);
+		if (name == NULL)
+			break;
+		addlistitem(list, name);
+		DECREF(name);
+	}
+	return list;
+}
+
 void
 initsys()
 {
@@ -175,6 +192,8 @@
 	dictinsert(sysdict, "stderr", syserr);
 	dictinsert(sysdict, "version", v);
 	dictinsert(sysdict, "modules", get_modules());
+	dictinsert(sysdict, "builtin_module_names",
+		   list_builtin_module_names());
 	if (err_occurred())
 		fatal("can't insert sys.* objects in sys dict");
 	DECREF(v);
diff --git a/Python/thread.c b/Python/thread.c
index 44f2896..56ef137 100644
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -1,3 +1,27 @@
+/***********************************************************
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
 #include "thread.h"
 
 #ifdef DEBUG