Document _PyUnicodeWriter_Prepare() deprecation

Author: vstinner

Doc/deprecations/c-api-pending-removal-in-3.18.rst

@@ -35,6 +35,8 @@ Pending removal in Python 3.18
   * :c:func:`!_PyUnicodeWriter_WriteLatin1String`:
     replace ``_PyUnicodeWriter_WriteLatin1String(&writer, str)`` with
     :c:func:`PyUnicodeWriter_WriteUTF8(writer, str) <PyUnicodeWriter_WriteUTF8>`.
+  * :c:func:`_PyUnicodeWriter_Prepare`: (no replacement).
+  * :c:func:`_PyUnicodeWriter_PrepareKind`: (no replacement).
   * :c:func:`!_Py_HashPointer`: use :c:func:`Py_HashPointer`.
   * :c:func:`!_Py_fopen_obj`: use :c:func:`Py_fopen`.
 

Doc/whatsnew/3.14.rst

@@ -1360,6 +1360,8 @@ Porting to Python 3.14
   * ``_PyUnicodeWriter_Dealloc()``: :c:func:`PyUnicodeWriter_Discard`.
   * ``_PyUnicodeWriter_Finish()``: :c:func:`PyUnicodeWriter_Finish`.
   * ``_PyUnicodeWriter_Init()``: use :c:func:`PyUnicodeWriter_Create`.
+  * ``_PyUnicodeWriter_Prepare()``: (no replacement).
+  * ``_PyUnicodeWriter_PrepareKind()``: (no replacement).
   * ``_PyUnicodeWriter_WriteChar()``: :c:func:`PyUnicodeWriter_WriteChar`.
   * ``_PyUnicodeWriter_WriteStr()``: :c:func:`PyUnicodeWriter_WriteStr`.
   * ``_PyUnicodeWriter_WriteSubstring()``: :c:func:`PyUnicodeWriter_WriteSubstring`.

Misc/NEWS.d/next/C_API/2025-01-15-11-42-07.gh-issue-128863.C9MkB_.rst

@@ -33,6 +33,8 @@ Python 3.18:
 * :c:func:`!_PyUnicodeWriter_WriteLatin1String`:
   replace ``_PyUnicodeWriter_WriteLatin1String(&writer, str)`` with
   :c:func:`PyUnicodeWriter_WriteUTF8(writer, str) <PyUnicodeWriter_WriteUTF8>`.
+* :c:func:`_PyUnicodeWriter_Prepare`: (no replacement).
+* :c:func:`_PyUnicodeWriter_PrepareKind`: (no replacement).
 * :c:func:`!_Py_HashPointer`: use :c:func:`Py_HashPointer`.
 * :c:func:`!_Py_fopen_obj`: use :c:func:`Py_fopen`.