Issue #29058: All stable API extensions added after Python 3.2 are now
available only when Py_LIMITED_API is set to the PY_VERSION_HEX value of
the minimum Python version supporting this API.
diff --git a/Include/codecs.h b/Include/codecs.h
index f8275a1..3ad0f2b 100644
--- a/Include/codecs.h
+++ b/Include/codecs.h
@@ -225,10 +225,14 @@
 /* replace the unicode encode error with backslash escapes (\x, \u and \U) */
 PyAPI_FUNC(PyObject *) PyCodec_BackslashReplaceErrors(PyObject *exc);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 /* replace the unicode encode error with backslash escapes (\N, \x, \u and \U) */
 PyAPI_FUNC(PyObject *) PyCodec_NameReplaceErrors(PyObject *exc);
+#endif
 
+#ifndef Py_LIMITED_API
 PyAPI_DATA(const char *) Py_hexdigits;
+#endif
 
 #ifdef __cplusplus
 }