Add C-API documentation for PyUnicode_AsDecodedObject/Unicode and PyUnicode_AsEncodedObject/Unicode

Objects/unicodeobject.c

Index: Objects/unicodeobject.c
===================================================================
--- Objects/unicodeobject.c	(révision 82199)
+++ Objects/unicodeobject.c	(copie de travail)
@@ -1382,100 +1382,6 @@
     return NULL;
 }
 
-PyObject *PyUnicode_AsDecodedObject(PyObject *unicode,
-                                    const char *encoding,
-                                    const char *errors)
-{
-    PyObject *v;
-
-    if (!PyUnicode_Check(unicode)) {
-        PyErr_BadArgument();
-        goto onError;
-    }
-
-    if (encoding == NULL)
-        encoding = PyUnicode_GetDefaultEncoding();
-
-    /* Decode via the codec registry */
-    v = PyCodec_Decode(unicode, encoding, errors);
-    if (v == NULL)
-        goto onError;
-    return v;
-
-  onError:
-    return NULL;
-}
-
-PyObject *PyUnicode_AsDecodedUnicode(PyObject *unicode,
-                                     const char *encoding,
-                                     const char *errors)
-{
-    PyObject *v;
-
-    if (!PyUnicode_Check(unicode)) {
-        PyErr_BadArgument();
-        goto onError;
-    }
-
-    if (encoding == NULL)
-        encoding = PyUnicode_GetDefaultEncoding();
-
-    /* Decode via the codec registry */
-    v = PyCodec_Decode(unicode, encoding, errors);
-    if (v == NULL)
-        goto onError;
-    if (!PyUnicode_Check(v)) {
-        PyErr_Format(PyExc_TypeError,
-                     "decoder did not return a str object (type=%.400s)",
-                     Py_TYPE(v)->tp_name);
-        Py_DECREF(v);
-        goto onError;
-    }
-    return v;
-
-  onError:
-    return NULL;
-}
-
-PyObject *PyUnicode_Encode(const Py_UNICODE *s,
-                           Py_ssize_t size,
-                           const char *encoding,
-                           const char *errors)
-{
-    PyObject *v, *unicode;
-
-    unicode = PyUnicode_FromUnicode(s, size);
-    if (unicode == NULL)
-        return NULL;
-    v = PyUnicode_AsEncodedString(unicode, encoding, errors);
-    Py_DECREF(unicode);
-    return v;
-}
-
-PyObject *PyUnicode_AsEncodedObject(PyObject *unicode,
-                                    const char *encoding,
-                                    const char *errors)
-{
-    PyObject *v;
-
-    if (!PyUnicode_Check(unicode)) {
-        PyErr_BadArgument();
-        goto onError;
-    }
-
-    if (encoding == NULL)
-        encoding = PyUnicode_GetDefaultEncoding();
-
-    /* Encode via the codec registry */
-    v = PyCodec_Encode(unicode, encoding, errors);
-    if (v == NULL)
-        goto onError;
-    return v;
-
-  onError:
-    return NULL;
-}
-
 PyObject *PyUnicode_EncodeFSDefault(PyObject *unicode)
 {
     if (Py_FileSystemDefaultEncoding) {