#11515: fix several typos. Patch by Piotr Kasprzyk.

Objects/bytearrayobject.c

@@ -936,12 +936,12 @@ bytearray_repr(PyByteArrayObject *self)
 static PyObject *
 bytearray_str(PyObject *op)
 {
-	if (Py_BytesWarningFlag) {
-		if (PyErr_WarnEx(PyExc_BytesWarning,
-				 "str() on a bytearray instance", 1))
-			return NULL;
-	}
-	return bytearray_repr((PyByteArrayObject*)op);
+        if (Py_BytesWarningFlag) {
+                if (PyErr_WarnEx(PyExc_BytesWarning,
+                                 "str() on a bytearray instance", 1))
+                        return NULL;
+        }
+        return bytearray_repr((PyByteArrayObject*)op);
 }
 
 static PyObject *
@@ -1459,7 +1459,7 @@ done:
 static PyObject *
 bytearray_maketrans(PyObject *null, PyObject *args)
 {
-	return _Py_bytes_maketrans(args);
+        return _Py_bytes_maketrans(args);
 }
 
 
@@ -2626,7 +2626,7 @@ bytearray_extend(PyByteArrayObject *self, PyObject *arg)
     if (it == NULL)
         return NULL;
 
-    /* Try to determine the length of the argument. 32 is abitrary. */
+    /* Try to determine the length of the argument. 32 is arbitrary. */
     buf_size = _PyObject_LengthHint(arg, 32);
     if (buf_size == -1) {
         Py_DECREF(it);

Objects/bytesobject.c

@@ -495,7 +495,7 @@ PyObject *PyBytes_DecodeEscape(const char *s,
         default:
             *p++ = '\\';
             s--;
-            goto non_esc; /* an arbitry number of unescaped
+            goto non_esc; /* an arbitrary number of unescaped
                              UTF-8 bytes may follow. */
         }
     }

Objects/longobject.c

@@ -3020,7 +3020,7 @@ ah*bh and al*bl too.
  * of slices, each with a->ob_size digits, and multiply the slices by a,
  * one at a time.  This gives k_mul balanced inputs to work with, and is
  * also cache-friendly (we compute one double-width slice of the result
- * at a time, then move on, never bactracking except for the helpful
+ * at a time, then move on, never backtracking except for the helpful
  * single-width slice overlap between successive partial sums).
  */
 static PyLongObject *

Objects/stringlib/string_format.h

@@ -6,7 +6,7 @@
 */
 
 
-/* Defines for Python 2.6 compatability */
+/* Defines for Python 2.6 compatibility */
 #if PY_VERSION_HEX < 0x03000000
 #define PyLong_FromSsize_t _PyLong_FromSsize_t
 #endif