diff --git a/Modules/dbmmodule.c b/Modules/dbmmodule.c
index 0c50b54..f9c99a8 100644
--- a/Modules/dbmmodule.c
+++ b/Modules/dbmmodule.c
@@ -32,9 +32,9 @@
 #endif
 
 typedef struct {
-	PyObject_HEAD
-	int di_size;	/* -1 means recompute */
-	DBM *di_dbm;
+    PyObject_HEAD
+    int di_size;        /* -1 means recompute */
+    DBM *di_dbm;
 } dbmobject;
 
 static PyTypeObject Dbmtype;
@@ -49,18 +49,18 @@
 static PyObject *
 newdbmobject(char *file, int flags, int mode)
 {
-        dbmobject *dp;
+    dbmobject *dp;
 
-	dp = PyObject_New(dbmobject, &Dbmtype);
-	if (dp == NULL)
-		return NULL;
-	dp->di_size = -1;
-	if ( (dp->di_dbm = dbm_open(file, flags, mode)) == 0 ) {
-		PyErr_SetFromErrno(DbmError);
-		Py_DECREF(dp);
-		return NULL;
-	}
-	return (PyObject *)dp;
+    dp = PyObject_New(dbmobject, &Dbmtype);
+    if (dp == NULL)
+        return NULL;
+    dp->di_size = -1;
+    if ( (dp->di_dbm = dbm_open(file, flags, mode)) == 0 ) {
+        PyErr_SetFromErrno(DbmError);
+        Py_DECREF(dp);
+        return NULL;
+    }
+    return (PyObject *)dp;
 }
 
 /* Methods */
@@ -68,119 +68,119 @@
 static void
 dbm_dealloc(register dbmobject *dp)
 {
-        if ( dp->di_dbm )
-		dbm_close(dp->di_dbm);
-	PyObject_Del(dp);
+    if ( dp->di_dbm )
+        dbm_close(dp->di_dbm);
+    PyObject_Del(dp);
 }
 
 static Py_ssize_t
 dbm_length(dbmobject *dp)
 {
-        if (dp->di_dbm == NULL) {
-                 PyErr_SetString(DbmError, "DBM object has already been closed"); 
-                 return -1; 
-        }
-        if ( dp->di_size < 0 ) {
-		datum key;
-		int size;
+    if (dp->di_dbm == NULL) {
+             PyErr_SetString(DbmError, "DBM object has already been closed");
+             return -1;
+    }
+    if ( dp->di_size < 0 ) {
+        datum key;
+        int size;
 
-		size = 0;
-		for ( key=dbm_firstkey(dp->di_dbm); key.dptr;
-		      key = dbm_nextkey(dp->di_dbm))
-			size++;
-		dp->di_size = size;
-	}
-	return dp->di_size;
+        size = 0;
+        for ( key=dbm_firstkey(dp->di_dbm); key.dptr;
+              key = dbm_nextkey(dp->di_dbm))
+            size++;
+        dp->di_size = size;
+    }
+    return dp->di_size;
 }
 
 static PyObject *
 dbm_subscript(dbmobject *dp, register PyObject *key)
 {
-	datum drec, krec;
-	int tmp_size;
-	
-	if (!PyArg_Parse(key, "s#", &krec.dptr, &tmp_size) )
-		return NULL;
-	
-	krec.dsize = tmp_size;
-        check_dbmobject_open(dp);
-	drec = dbm_fetch(dp->di_dbm, krec);
-	if ( drec.dptr == 0 ) {
-		PyErr_SetString(PyExc_KeyError,
-				PyString_AS_STRING((PyStringObject *)key));
-		return NULL;
-	}
-	if ( dbm_error(dp->di_dbm) ) {
-		dbm_clearerr(dp->di_dbm);
-		PyErr_SetString(DbmError, "");
-		return NULL;
-	}
-	return PyString_FromStringAndSize(drec.dptr, drec.dsize);
+    datum drec, krec;
+    int tmp_size;
+
+    if (!PyArg_Parse(key, "s#", &krec.dptr, &tmp_size) )
+        return NULL;
+
+    krec.dsize = tmp_size;
+    check_dbmobject_open(dp);
+    drec = dbm_fetch(dp->di_dbm, krec);
+    if ( drec.dptr == 0 ) {
+        PyErr_SetString(PyExc_KeyError,
+                        PyString_AS_STRING((PyStringObject *)key));
+        return NULL;
+    }
+    if ( dbm_error(dp->di_dbm) ) {
+        dbm_clearerr(dp->di_dbm);
+        PyErr_SetString(DbmError, "");
+        return NULL;
+    }
+    return PyString_FromStringAndSize(drec.dptr, drec.dsize);
 }
 
 static int
 dbm_ass_sub(dbmobject *dp, PyObject *v, PyObject *w)
 {
-        datum krec, drec;
-	int tmp_size;
-	
-        if ( !PyArg_Parse(v, "s#", &krec.dptr, &tmp_size) ) {
-		PyErr_SetString(PyExc_TypeError,
-				"dbm mappings have string indices only");
-		return -1;
-	}
-	krec.dsize = tmp_size;
-        if (dp->di_dbm == NULL) {
-                 PyErr_SetString(DbmError, "DBM object has already been closed"); 
-                 return -1;
+    datum krec, drec;
+    int tmp_size;
+
+    if ( !PyArg_Parse(v, "s#", &krec.dptr, &tmp_size) ) {
+        PyErr_SetString(PyExc_TypeError,
+                        "dbm mappings have string indices only");
+        return -1;
+    }
+    krec.dsize = tmp_size;
+    if (dp->di_dbm == NULL) {
+             PyErr_SetString(DbmError, "DBM object has already been closed");
+             return -1;
+    }
+    dp->di_size = -1;
+    if (w == NULL) {
+        if ( dbm_delete(dp->di_dbm, krec) < 0 ) {
+            dbm_clearerr(dp->di_dbm);
+            PyErr_SetString(PyExc_KeyError,
+                          PyString_AS_STRING((PyStringObject *)v));
+            return -1;
         }
-	dp->di_size = -1;
-	if (w == NULL) {
-		if ( dbm_delete(dp->di_dbm, krec) < 0 ) {
-			dbm_clearerr(dp->di_dbm);
-			PyErr_SetString(PyExc_KeyError,
-				      PyString_AS_STRING((PyStringObject *)v));
-			return -1;
-		}
-	} else {
-		if ( !PyArg_Parse(w, "s#", &drec.dptr, &tmp_size) ) {
-			PyErr_SetString(PyExc_TypeError,
-				     "dbm mappings have string elements only");
-			return -1;
-		}
-		drec.dsize = tmp_size;
-		if ( dbm_store(dp->di_dbm, krec, drec, DBM_REPLACE) < 0 ) {
-			dbm_clearerr(dp->di_dbm);
-			PyErr_SetString(DbmError,
-					"cannot add item to database");
-			return -1;
-		}
-	}
-	if ( dbm_error(dp->di_dbm) ) {
-		dbm_clearerr(dp->di_dbm);
-		PyErr_SetString(DbmError, "");
-		return -1;
-	}
-	return 0;
+    } else {
+        if ( !PyArg_Parse(w, "s#", &drec.dptr, &tmp_size) ) {
+            PyErr_SetString(PyExc_TypeError,
+                         "dbm mappings have string elements only");
+            return -1;
+        }
+        drec.dsize = tmp_size;
+        if ( dbm_store(dp->di_dbm, krec, drec, DBM_REPLACE) < 0 ) {
+            dbm_clearerr(dp->di_dbm);
+            PyErr_SetString(DbmError,
+                            "cannot add item to database");
+            return -1;
+        }
+    }
+    if ( dbm_error(dp->di_dbm) ) {
+        dbm_clearerr(dp->di_dbm);
+        PyErr_SetString(DbmError, "");
+        return -1;
+    }
+    return 0;
 }
 
 static int
 dbm_contains(register dbmobject *dp, PyObject *v)
 {
-	datum key, val;
+    datum key, val;
 
-	if (PyString_AsStringAndSize(v, (char **)&key.dptr,
-	                             (Py_ssize_t *)&key.dsize)) {
-		return -1;
-	}
+    if (PyString_AsStringAndSize(v, (char **)&key.dptr,
+                                 (Py_ssize_t *)&key.dsize)) {
+        return -1;
+    }
 
-	/* Expand check_dbmobject_open to return -1 */
-	if (dp->di_dbm == NULL) {
-		PyErr_SetString(DbmError, "DBM object has already been closed");
-		return -1;
-	}
-	val = dbm_fetch(dp->di_dbm, key);
-	return val.dptr != NULL;
+    /* Expand check_dbmobject_open to return -1 */
+    if (dp->di_dbm == NULL) {
+        PyErr_SetString(DbmError, "DBM object has already been closed");
+        return -1;
+    }
+    val = dbm_fetch(dp->di_dbm, key);
+    return val.dptr != NULL;
 }
 
 static PySequenceMethods dbm_as_sequence = {
@@ -197,159 +197,159 @@
 };
 
 static PyMappingMethods dbm_as_mapping = {
-	(lenfunc)dbm_length,		/*mp_length*/
-	(binaryfunc)dbm_subscript,	/*mp_subscript*/
-	(objobjargproc)dbm_ass_sub,	/*mp_ass_subscript*/
+    (lenfunc)dbm_length,                /*mp_length*/
+    (binaryfunc)dbm_subscript,          /*mp_subscript*/
+    (objobjargproc)dbm_ass_sub,         /*mp_ass_subscript*/
 };
 
 static PyObject *
 dbm__close(register dbmobject *dp, PyObject *unused)
 {
-        if (dp->di_dbm)
-		dbm_close(dp->di_dbm);
-	dp->di_dbm = NULL;
-	Py_INCREF(Py_None);
-	return Py_None;
+    if (dp->di_dbm)
+        dbm_close(dp->di_dbm);
+    dp->di_dbm = NULL;
+    Py_INCREF(Py_None);
+    return Py_None;
 }
 
 static PyObject *
 dbm_keys(register dbmobject *dp, PyObject *unused)
 {
-	register PyObject *v, *item;
-	datum key;
-	int err;
+    register PyObject *v, *item;
+    datum key;
+    int err;
 
-        check_dbmobject_open(dp);
-	v = PyList_New(0);
-	if (v == NULL)
-		return NULL;
-	for (key = dbm_firstkey(dp->di_dbm); key.dptr;
-	     key = dbm_nextkey(dp->di_dbm)) {
-		item = PyString_FromStringAndSize(key.dptr, key.dsize);
-		if (item == NULL) {
-			Py_DECREF(v);
-			return NULL;
-		}
-		err = PyList_Append(v, item);
-		Py_DECREF(item);
-		if (err != 0) {
-			Py_DECREF(v);
-			return NULL;
-		}
-	}
-	return v;
+    check_dbmobject_open(dp);
+    v = PyList_New(0);
+    if (v == NULL)
+        return NULL;
+    for (key = dbm_firstkey(dp->di_dbm); key.dptr;
+         key = dbm_nextkey(dp->di_dbm)) {
+        item = PyString_FromStringAndSize(key.dptr, key.dsize);
+        if (item == NULL) {
+            Py_DECREF(v);
+            return NULL;
+        }
+        err = PyList_Append(v, item);
+        Py_DECREF(item);
+        if (err != 0) {
+            Py_DECREF(v);
+            return NULL;
+        }
+    }
+    return v;
 }
 
 static PyObject *
 dbm_has_key(register dbmobject *dp, PyObject *args)
 {
-	char *tmp_ptr;
-	datum key, val;
-	int tmp_size;
-	
-	if (!PyArg_ParseTuple(args, "s#:has_key", &tmp_ptr, &tmp_size))
-		return NULL;
-	key.dptr = tmp_ptr;
-	key.dsize = tmp_size;
-        check_dbmobject_open(dp);
-	val = dbm_fetch(dp->di_dbm, key);
-	return PyInt_FromLong(val.dptr != NULL);
+    char *tmp_ptr;
+    datum key, val;
+    int tmp_size;
+
+    if (!PyArg_ParseTuple(args, "s#:has_key", &tmp_ptr, &tmp_size))
+        return NULL;
+    key.dptr = tmp_ptr;
+    key.dsize = tmp_size;
+    check_dbmobject_open(dp);
+    val = dbm_fetch(dp->di_dbm, key);
+    return PyInt_FromLong(val.dptr != NULL);
 }
 
 static PyObject *
 dbm_get(register dbmobject *dp, PyObject *args)
 {
-	datum key, val;
-	PyObject *defvalue = Py_None;
-	char *tmp_ptr;
-	int tmp_size;
+    datum key, val;
+    PyObject *defvalue = Py_None;
+    char *tmp_ptr;
+    int tmp_size;
 
-	if (!PyArg_ParseTuple(args, "s#|O:get",
-                              &tmp_ptr, &tmp_size, &defvalue))
-		return NULL;
-	key.dptr = tmp_ptr;
-	key.dsize = tmp_size;
-        check_dbmobject_open(dp);
-	val = dbm_fetch(dp->di_dbm, key);
-	if (val.dptr != NULL)
-		return PyString_FromStringAndSize(val.dptr, val.dsize);
-	else {
-		Py_INCREF(defvalue);
-		return defvalue;
-	}
+    if (!PyArg_ParseTuple(args, "s#|O:get",
+                          &tmp_ptr, &tmp_size, &defvalue))
+        return NULL;
+    key.dptr = tmp_ptr;
+    key.dsize = tmp_size;
+    check_dbmobject_open(dp);
+    val = dbm_fetch(dp->di_dbm, key);
+    if (val.dptr != NULL)
+        return PyString_FromStringAndSize(val.dptr, val.dsize);
+    else {
+        Py_INCREF(defvalue);
+        return defvalue;
+    }
 }
 
 static PyObject *
 dbm_setdefault(register dbmobject *dp, PyObject *args)
 {
-	datum key, val;
-	PyObject *defvalue = NULL;
-	char *tmp_ptr;
-	int tmp_size;
+    datum key, val;
+    PyObject *defvalue = NULL;
+    char *tmp_ptr;
+    int tmp_size;
 
-	if (!PyArg_ParseTuple(args, "s#|S:setdefault",
-                              &tmp_ptr, &tmp_size, &defvalue))
-		return NULL;
-	key.dptr = tmp_ptr;
-	key.dsize = tmp_size;
-        check_dbmobject_open(dp);
-	val = dbm_fetch(dp->di_dbm, key);
-	if (val.dptr != NULL)
-		return PyString_FromStringAndSize(val.dptr, val.dsize);
-	if (defvalue == NULL) {
-		defvalue = PyString_FromStringAndSize(NULL, 0);
-		if (defvalue == NULL)
-			return NULL;
-	}
-	else
-		Py_INCREF(defvalue);
-	val.dptr = PyString_AS_STRING(defvalue);
-	val.dsize = PyString_GET_SIZE(defvalue);
-	if (dbm_store(dp->di_dbm, key, val, DBM_INSERT) < 0) {
-		dbm_clearerr(dp->di_dbm);
-		PyErr_SetString(DbmError, "cannot add item to database");
-		return NULL;
-	}
-	return defvalue;
+    if (!PyArg_ParseTuple(args, "s#|S:setdefault",
+                          &tmp_ptr, &tmp_size, &defvalue))
+        return NULL;
+    key.dptr = tmp_ptr;
+    key.dsize = tmp_size;
+    check_dbmobject_open(dp);
+    val = dbm_fetch(dp->di_dbm, key);
+    if (val.dptr != NULL)
+        return PyString_FromStringAndSize(val.dptr, val.dsize);
+    if (defvalue == NULL) {
+        defvalue = PyString_FromStringAndSize(NULL, 0);
+        if (defvalue == NULL)
+            return NULL;
+    }
+    else
+        Py_INCREF(defvalue);
+    val.dptr = PyString_AS_STRING(defvalue);
+    val.dsize = PyString_GET_SIZE(defvalue);
+    if (dbm_store(dp->di_dbm, key, val, DBM_INSERT) < 0) {
+        dbm_clearerr(dp->di_dbm);
+        PyErr_SetString(DbmError, "cannot add item to database");
+        return NULL;
+    }
+    return defvalue;
 }
 
 static PyMethodDef dbm_methods[] = {
-	{"close",	(PyCFunction)dbm__close,	METH_NOARGS,
-	 "close()\nClose the database."},
-	{"keys",	(PyCFunction)dbm_keys,		METH_NOARGS,
-	 "keys() -> list\nReturn a list of all keys in the database."},
-	{"has_key",	(PyCFunction)dbm_has_key,	METH_VARARGS,
-	 "has_key(key} -> boolean\nReturn true iff key is in the database."},
-	{"get",		(PyCFunction)dbm_get,		METH_VARARGS,
-	 "get(key[, default]) -> value\n"
-	 "Return the value for key if present, otherwise default."},
-	{"setdefault",	(PyCFunction)dbm_setdefault,	METH_VARARGS,
-	 "setdefault(key[, default]) -> value\n"
-	 "Return the value for key if present, otherwise default.  If key\n"
-	 "is not in the database, it is inserted with default as the value."},
-	{NULL,		NULL}		/* sentinel */
+    {"close",           (PyCFunction)dbm__close,        METH_NOARGS,
+     "close()\nClose the database."},
+    {"keys",            (PyCFunction)dbm_keys,          METH_NOARGS,
+     "keys() -> list\nReturn a list of all keys in the database."},
+    {"has_key",         (PyCFunction)dbm_has_key,       METH_VARARGS,
+     "has_key(key} -> boolean\nReturn true iff key is in the database."},
+    {"get",             (PyCFunction)dbm_get,           METH_VARARGS,
+     "get(key[, default]) -> value\n"
+     "Return the value for key if present, otherwise default."},
+    {"setdefault",      (PyCFunction)dbm_setdefault,    METH_VARARGS,
+     "setdefault(key[, default]) -> value\n"
+     "Return the value for key if present, otherwise default.  If key\n"
+     "is not in the database, it is inserted with default as the value."},
+    {NULL,              NULL}           /* sentinel */
 };
 
 static PyObject *
 dbm_getattr(dbmobject *dp, char *name)
 {
-	return Py_FindMethod(dbm_methods, (PyObject *)dp, name);
+    return Py_FindMethod(dbm_methods, (PyObject *)dp, name);
 }
 
 static PyTypeObject Dbmtype = {
-	PyVarObject_HEAD_INIT(NULL, 0)
-	"dbm.dbm",
-	sizeof(dbmobject),
-	0,
-	(destructor)dbm_dealloc,  /*tp_dealloc*/
-	0,			  /*tp_print*/
-	(getattrfunc)dbm_getattr, /*tp_getattr*/
-	0,			  /*tp_setattr*/
-	0,			  /*tp_compare*/
-	0,			  /*tp_repr*/
-	0,			  /*tp_as_number*/
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "dbm.dbm",
+    sizeof(dbmobject),
+    0,
+    (destructor)dbm_dealloc,  /*tp_dealloc*/
+    0,                            /*tp_print*/
+    (getattrfunc)dbm_getattr, /*tp_getattr*/
+    0,                            /*tp_setattr*/
+    0,                            /*tp_compare*/
+    0,                            /*tp_repr*/
+    0,                            /*tp_as_number*/
     &dbm_as_sequence,     /*tp_as_sequence*/
-	&dbm_as_mapping,	  /*tp_as_mapping*/
+    &dbm_as_mapping,              /*tp_as_mapping*/
     0,                    /*tp_hash*/
     0,                    /*tp_call*/
     0,                    /*tp_str*/
@@ -364,54 +364,54 @@
 static PyObject *
 dbmopen(PyObject *self, PyObject *args)
 {
-	char *name;
-	char *flags = "r";
-	int iflags;
-	int mode = 0666;
+    char *name;
+    char *flags = "r";
+    int iflags;
+    int mode = 0666;
 
-        if ( !PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode) )
-		return NULL;
-	if ( strcmp(flags, "r") == 0 )
-		iflags = O_RDONLY;
-	else if ( strcmp(flags, "w") == 0 )
-		iflags = O_RDWR;
-	else if ( strcmp(flags, "rw") == 0 ) /* B/W compat */
-		iflags = O_RDWR|O_CREAT; 
-	else if ( strcmp(flags, "c") == 0 )
-		iflags = O_RDWR|O_CREAT;
-	else if ( strcmp(flags, "n") == 0 )
-		iflags = O_RDWR|O_CREAT|O_TRUNC;
-	else {
-		PyErr_SetString(DbmError,
-				"arg 2 to open should be 'r', 'w', 'c', or 'n'");
-		return NULL;
-	}
-        return newdbmobject(name, iflags, mode);
+    if ( !PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode) )
+        return NULL;
+    if ( strcmp(flags, "r") == 0 )
+        iflags = O_RDONLY;
+    else if ( strcmp(flags, "w") == 0 )
+        iflags = O_RDWR;
+    else if ( strcmp(flags, "rw") == 0 ) /* B/W compat */
+        iflags = O_RDWR|O_CREAT;
+    else if ( strcmp(flags, "c") == 0 )
+        iflags = O_RDWR|O_CREAT;
+    else if ( strcmp(flags, "n") == 0 )
+        iflags = O_RDWR|O_CREAT|O_TRUNC;
+    else {
+        PyErr_SetString(DbmError,
+                        "arg 2 to open should be 'r', 'w', 'c', or 'n'");
+        return NULL;
+    }
+    return newdbmobject(name, iflags, mode);
 }
 
 static PyMethodDef dbmmodule_methods[] = {
-	{ "open", (PyCFunction)dbmopen, METH_VARARGS,
-	  "open(path[, flag[, mode]]) -> mapping\n"
-	  "Return a database object."},
-	{ 0, 0 },
+    { "open", (PyCFunction)dbmopen, METH_VARARGS,
+      "open(path[, flag[, mode]]) -> mapping\n"
+      "Return a database object."},
+    { 0, 0 },
 };
 
 PyMODINIT_FUNC
 initdbm(void) {
-	PyObject *m, *d, *s;
+    PyObject *m, *d, *s;
 
-	Dbmtype.ob_type = &PyType_Type;
-	m = Py_InitModule("dbm", dbmmodule_methods);
-	if (m == NULL)
-		return;
-	d = PyModule_GetDict(m);
-	if (DbmError == NULL)
-		DbmError = PyErr_NewException("dbm.error", NULL, NULL);
-	s = PyString_FromString(which_dbm);
-	if (s != NULL) {
-		PyDict_SetItemString(d, "library", s);
-		Py_DECREF(s);
-	}
-	if (DbmError != NULL)
-		PyDict_SetItemString(d, "error", DbmError);
+    Dbmtype.ob_type = &PyType_Type;
+    m = Py_InitModule("dbm", dbmmodule_methods);
+    if (m == NULL)
+        return;
+    d = PyModule_GetDict(m);
+    if (DbmError == NULL)
+        DbmError = PyErr_NewException("dbm.error", NULL, NULL);
+    s = PyString_FromString(which_dbm);
+    if (s != NULL) {
+        PyDict_SetItemString(d, "library", s);
+        Py_DECREF(s);
+    }
+    if (DbmError != NULL)
+        PyDict_SetItemString(d, "error", DbmError);
 }