* 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/Include/allobjects.h b/Include/allobjects.h
index 34232fd..d7a0333 100644
--- a/Include/allobjects.h
+++ b/Include/allobjects.h
@@ -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/Include/import.h b/Include/import.h
index 39f6d96..c934fe5 100644
--- a/Include/import.h
+++ b/Include/import.h
@@ -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
 
@@ -29,3 +29,8 @@
 object *import_module PROTO((char *name));
 object *reload_module PROTO((object *m));
 void doneimport PROTO((void));
+
+extern struct {
+	char *name;
+	void (*initfunc)();
+} inittab[];
diff --git a/Modules/audioop.c b/Modules/audioop.c
index c938eea..301b494 100644
--- a/Modules/audioop.c
+++ b/Modules/audioop.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/Modules/config.c.in b/Modules/config.c.in
index 11e2cdd..549d14f 100644
--- a/Modules/config.c.in
+++ b/Modules/config.c.in
@@ -28,7 +28,6 @@
 #define USE_MARSHAL	1	/* This is linked anyway */
 #define USE_MATH	1
 #define USE_STRUCT	1
-#define USE_STROP	1
 #define USE_TIME	1
 
 #ifdef macintosh
@@ -36,8 +35,8 @@
 #define USE_IMAGEOP	1
 #define USE_MAC		1
 #define USE_REGEX	1
-#define USE_ROTOR	1
 #define USE_STDWIN	1	/* You may turn this off */
+#define USE_STROP
 #endif
 
 #ifdef unix
@@ -48,10 +47,18 @@
 #define USE_SOCKET	1
 #endif
 
+#ifdef MSDOS
+#define USE_POSIX	1	/* Subset defined in posixmodule.c */
+#define USE_REGEX	1
+#define USE_STROP	1
+#define USE_PC		1
+#endif
+
 #include <stdio.h>
 
 #include "PROTO.h"
 #include "mymalloc.h"
+#include "osdefs.h"
 
 #include "patchlevel.h"
 
@@ -116,12 +123,25 @@
 }
 
 #ifndef PYTHONPATH
+
 #ifdef macintosh
 /* On the Mac, the search path is a space-separated list of directories */
 #define PYTHONPATH ": :lib :demo"
-#else /* !macintosh */
+#endif /* macintosh */
+
+#ifdef unix
 #define PYTHONPATH ".:/usr/local/lib/python"
-#endif /* !macintosh */
+#endif /* unix */
+
+#ifdef MSDOS
+/* In MS-DOS, the delimiter is a semicolon */
+#define PYTHONPATH ".;C\\python\\lib"
+#endif /* MSDOS */
+
+#ifndef PYTHONPATH
+ERROR; ERROR; On what kind of system are you?;
+#endif
+
 #endif /* !PYTHONPATH */
 
 extern char *getenv();
@@ -135,6 +155,7 @@
 	char *path = getenv("PYTHONPATH");
 	char *defpath = PYTHONPATH;
 	char *buf;
+	char *p;
 	int n;
 
 	if (path == 0 || *path == '\0')
@@ -144,8 +165,9 @@
 	if (buf == NULL)
 		return path; /* XXX too bad -- but not likely */
 	strcpy(buf, path);
-	strcat(buf, ":");
-	strcat(buf, defpath);
+	p = buf + strlen(buf);
+	*p++ = DELIM;
+	strcpy(p, defpath);
 	return buf;
 #endif /* !macintosh */
 }
diff --git a/Modules/imageop.c b/Modules/imageop.c
index 9c0107b..49301b7 100644
--- a/Modules/imageop.c
+++ b/Modules/imageop.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/Modules/imgfile.c b/Modules/imgfile.c
index 075fc46..7783083 100644
--- a/Modules/imgfile.c
+++ b/Modules/imgfile.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/Modules/rotormodule.c b/Modules/rotormodule.c
index f16acd0..4e9afd8 100644
--- a/Modules/rotormodule.c
+++ b/Modules/rotormodule.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/Modules/stdwinmodule.c b/Modules/stdwinmodule.c
index 62e9b47..77ba6ec 100644
--- a/Modules/stdwinmodule.c
+++ b/Modules/stdwinmodule.c
@@ -2119,9 +2119,17 @@
 	object *args;
 {
 	char *colorname;
+	COLOR color;
 	if (!getstrarg(args, &colorname))
 		return NULL;
-	return newintobject((long)wfetchcolor(colorname));
+	color = wfetchcolor(colorname);
+#ifdef BADCOLOR
+	if (color == BADCOLOR) {
+		err_setstr(StdwinError, "color name not found");
+		return NULL;
+	}
+#endif
+	return newintobject((long)color);
 }
 
 static object *
diff --git a/Modules/svmodule.c b/Modules/svmodule.c
index 6df8b95..0d14473 100644
--- a/Modules/svmodule.c
+++ b/Modules/svmodule.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/Modules/threadmodule.c b/Modules/threadmodule.c
index 123c4d3..7a5f29d 100644
--- a/Modules/threadmodule.c
+++ b/Modules/threadmodule.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/Modules/xxmodule.c b/Modules/xxmodule.c
index 070a622..cf6481e 100644
--- a/Modules/xxmodule.c
+++ b/Modules/xxmodule.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/Objects/fileobject.c b/Objects/fileobject.c
index 1c0598b..faf7e86 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.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/Objects/listobject.c b/Objects/listobject.c
index d7d140f..474932f 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.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/Objects/longobject.c b/Objects/longobject.c
index 85d1c66..4c5ede5 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.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/Objects/xxobject.c b/Objects/xxobject.c
index 8471893..2d03cfd 100644
--- a/Objects/xxobject.c
+++ b/Objects/xxobject.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
 
@@ -80,7 +80,7 @@
 }
 
 static struct methodlist xx_methods[] = {
-	"demo",		xx_demo,
+	{"demo",	xx_demo},
 	{NULL,		NULL}		/* sentinel */
 };
 
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