From d0c3f01e110d54415611c5fa0040cdf4a56053f9 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sat, 6 May 2023 17:47:37 +0200
Subject: parser: Fix old SAX1 parser with custom callbacks

For some reason, xmlCtxtUseOptionsInternal set the start and end element
SAX handlers to the internal DOM builder functions when XML_PARSE_SAX1
was specified. This means that custom SAX handlers could never work with
that flag because these functions would receive the wrong user data
argument and crash immediately.

Fixes #535.
---
 parser.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/parser.c b/parser.c
index bb05791d..0c8bed12 100644
--- a/parser.c
+++ b/parser.c
@@ -14479,8 +14479,6 @@ xmlCtxtUseOptionsInternal(xmlParserCtxtPtr ctxt, int options, const char *encodi
     }
 #ifdef LIBXML_SAX1_ENABLED
     if (options & XML_PARSE_SAX1) {
-        ctxt->sax->startElement = xmlSAX2StartElement;
-        ctxt->sax->endElement = xmlSAX2EndElement;
         ctxt->sax->startElementNs = NULL;
         ctxt->sax->endElementNs = NULL;
         ctxt->sax->initialized = 1;
-- 
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