https://bugs.gentoo.org/955797
https://sourceforge.net/p/xml-copy-editor/code/ci/ad7c0fb931ed54dc8d8a3c2d42924daddc4ad17d/
https://sourceforge.net/p/xml-copy-editor/code/ci/3c79ba3e37b53067c993de0c7d327b70ded6238a/

From ad7c0fb931ed54dc8d8a3c2d42924daddc4ad17d Mon Sep 17 00:00:00 2001
From: "Zane U. Ji" <zaneuji@gmail.com>
Date: Thu, 15 May 2025 00:31:07 +0800
Subject: [PATCH 1/1] Fix building with libxml2 2.14

--- a/src/wraplibxml.cpp
+++ b/src/wraplibxml.cpp
@@ -473,6 +473,7 @@ std::string WrapLibxml::dumpXPathObject ( xmlXPathObjectPtr obj )
 		sstream << obj->stringval;
 		break;
 
+#if LIBXML_VERSION < 21400
 	case XPATH_POINT:
 		xmlBufferPtr bufferPtr;
 		bufferPtr = xmlBufferCreate();
@@ -486,6 +487,7 @@ std::string WrapLibxml::dumpXPathObject ( xmlXPathObjectPtr obj )
 
 	case XPATH_RANGE:
 	case XPATH_LOCATIONSET:
+#endif
 	case XPATH_XSLT_TREE:
 	default:
 		FILE *fp = tmpfile();
@@ -706,7 +708,7 @@ int WrapLibxml::saveEncoding (
 
 wxString WrapLibxml::getLastError()
 {
-	xmlErrorPtr err = xmlGetLastError();
+	const xmlError *err = xmlGetLastError();
 
 	if ( !err )
 		return nonParserError;
@@ -722,7 +724,7 @@ wxString WrapLibxml::getLastError()
 
 std::pair<int, int> WrapLibxml::getErrorPosition()
 {
-	xmlErrorPtr err = xmlGetLastError();
+	const xmlError *err = xmlGetLastError();
 	if ( !err )
 		return std::make_pair ( 1, 1 );
 
-- 
2.50.1

From 3c79ba3e37b53067c993de0c7d327b70ded6238a Mon Sep 17 00:00:00 2001
From: "Zane U. Ji" <zaneuji@gmail.com>
Date: Thu, 15 May 2025 21:29:58 +0800
Subject: [PATCH 1/1] Replace deprecated libxml2 initGenericErrorDefaultFunc

--- a/src/wraplibxml.cpp
+++ b/src/wraplibxml.cpp
@@ -54,7 +54,11 @@ public:
 		xmlLoadCatalog ( CONV ( catalogPath ) );
 		::catalog = xmlLoadACatalog ( CONV ( catalogPath ) );
 
+#if LIBXML_VERSION < 21400
 		initGenericErrorDefaultFunc ( NULL );
+#else
+		xmlSetGenericErrorFunc ( NULL, NULL );
+#endif
 	}
 
 	~Initializer ()
-- 
2.50.1