From d27eb1e406a8789d9eaba6dbfed5c2e5abe294fd Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Mon, 24 Jul 2023 20:26:29 +0200
Subject: gh-106320: Remove private _PyUnicode C API (#107185)

Move private _PyUnicode functions to the internal C API
(pycore_unicodeobject.h):

* _PyUnicode_IsCaseIgnorable()
* _PyUnicode_IsCased()
* _PyUnicode_IsXidContinue()
* _PyUnicode_IsXidStart()
* _PyUnicode_ToFoldedFull()
* _PyUnicode_ToLowerFull()
* _PyUnicode_ToTitleFull()
* _PyUnicode_ToUpperFull()

No longer export these functions.
---
 Include/cpython/unicodeobject.h         | 36 ---------------------------------
 Include/internal/pycore_unicodeobject.h | 13 ++++++++++++
 2 files changed, 13 insertions(+), 36 deletions(-)

diff --git a/Include/cpython/unicodeobject.h b/Include/cpython/unicodeobject.h
index 51eb998..fa00b35 100644
--- a/Include/cpython/unicodeobject.h
+++ b/Include/cpython/unicodeobject.h
@@ -473,14 +473,6 @@ PyAPI_FUNC(int) _PyUnicode_IsTitlecase(
     Py_UCS4 ch       /* Unicode character */
     );
 
-PyAPI_FUNC(int) _PyUnicode_IsXidStart(
-    Py_UCS4 ch       /* Unicode character */
-    );
-
-PyAPI_FUNC(int) _PyUnicode_IsXidContinue(
-    Py_UCS4 ch       /* Unicode character */
-    );
-
 PyAPI_FUNC(int) _PyUnicode_IsWhitespace(
     const Py_UCS4 ch         /* Unicode character */
     );
@@ -501,34 +493,6 @@ PyAPI_FUNC(Py_UCS4) _PyUnicode_ToTitlecase(
     Py_UCS4 ch       /* Unicode character */
     );
 
-PyAPI_FUNC(int) _PyUnicode_ToLowerFull(
-    Py_UCS4 ch,       /* Unicode character */
-    Py_UCS4 *res
-    );
-
-PyAPI_FUNC(int) _PyUnicode_ToTitleFull(
-    Py_UCS4 ch,       /* Unicode character */
-    Py_UCS4 *res
-    );
-
-PyAPI_FUNC(int) _PyUnicode_ToUpperFull(
-    Py_UCS4 ch,       /* Unicode character */
-    Py_UCS4 *res
-    );
-
-PyAPI_FUNC(int) _PyUnicode_ToFoldedFull(
-    Py_UCS4 ch,       /* Unicode character */
-    Py_UCS4 *res
-    );
-
-PyAPI_FUNC(int) _PyUnicode_IsCaseIgnorable(
-    Py_UCS4 ch         /* Unicode character */
-    );
-
-PyAPI_FUNC(int) _PyUnicode_IsCased(
-    Py_UCS4 ch         /* Unicode character */
-    );
-
 PyAPI_FUNC(int) _PyUnicode_ToDecimalDigit(
     Py_UCS4 ch       /* Unicode character */
     );
diff --git a/Include/internal/pycore_unicodeobject.h b/Include/internal/pycore_unicodeobject.h
index ad59c3e..d038112 100644
--- a/Include/internal/pycore_unicodeobject.h
+++ b/Include/internal/pycore_unicodeobject.h
@@ -11,6 +11,19 @@ extern "C" {
 #include "pycore_fileutils.h"     // _Py_error_handler
 #include "pycore_ucnhash.h"       // _PyUnicode_Name_CAPI
 
+/* --- Characters Type APIs ----------------------------------------------- */
+
+extern int _PyUnicode_IsXidStart(Py_UCS4 ch);
+extern int _PyUnicode_IsXidContinue(Py_UCS4 ch);
+extern int _PyUnicode_ToLowerFull(Py_UCS4 ch, Py_UCS4 *res);
+extern int _PyUnicode_ToTitleFull(Py_UCS4 ch, Py_UCS4 *res);
+extern int _PyUnicode_ToUpperFull(Py_UCS4 ch, Py_UCS4 *res);
+extern int _PyUnicode_ToFoldedFull(Py_UCS4 ch, Py_UCS4 *res);
+extern int _PyUnicode_IsCaseIgnorable(Py_UCS4 ch);
+extern int _PyUnicode_IsCased(Py_UCS4 ch);
+
+/* --- Unicode API -------------------------------------------------------- */
+
 PyAPI_FUNC(int) _PyUnicode_CheckConsistency(
     PyObject *op,
     int check_content);
-- 
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