From 3ff8a2c4b8d07823a622178647ce4bf79281311f Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Wed, 26 Jun 2024 01:08:48 +0200
Subject: [PATCH] parser: Deprecate xmlIsLetter

---
 include/libxml/parserInternals.h | 4 +---
 parserInternals.c                | 2 ++
 python/generator.py              | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/libxml/parserInternals.h b/include/libxml/parserInternals.h
index 27c22696..00eccd5a 100644
--- a/include/libxml/parserInternals.h
+++ b/include/libxml/parserInternals.h
@@ -296,9 +296,7 @@ XMLPUBVAR const xmlChar xmlStringText[];
 XMLPUBVAR const xmlChar xmlStringTextNoenc[];
 XMLPUBVAR const xmlChar xmlStringComment[];
 
-/*
- * Function to finish the work of the macros where needed.
- */
+XML_DEPRECATED
 XMLPUBFUN int                   xmlIsLetter     (int c);
 
 /**
diff --git a/parserInternals.c b/parserInternals.c
index 11b1c03f..7c7dd969 100644
--- a/parserInternals.c
+++ b/parserInternals.c
@@ -422,6 +422,8 @@ xmlFatalErr(xmlParserCtxtPtr ctxt, xmlParserErrors code, const char *info)
  * xmlIsLetter:
  * @c:  an unicode character (int)
  *
+ * DEPRECATED: Internal function, don't use.
+ *
  * Check whether the character is allowed by the production
  * [84] Letter ::= BaseChar | Ideographic
  *
diff --git a/python/generator.py b/python/generator.py
index 530277a8..02052402 100755
--- a/python/generator.py
+++ b/python/generator.py
@@ -312,6 +312,7 @@ deprecated_funcs = {
     'xmlInitializeDict': True,
     'xmlIOFTPMatch': True,
     'xmlIOHTTPMatch': True,
+    'xmlIsLetter': True,
     'xmlIsRef': True,
     'xmlKeepBlanksDefault': True,
     'xmlLineNumbersDefault': True,