From 4aa08c80b711ab296f6e6ecab24df8cf6d0be5fc Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Fri, 8 Sep 2023 14:52:22 +0200
Subject: [PATCH] xinclude: Fix 'last' pointer in xmlXIncludeCopyNode

Also set the 'last' pointer for the root node.

Fixes https://gitlab.gnome.org/GNOME/libxslt/-/issues/93
---
 xinclude.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xinclude.c b/xinclude.c
index fadf4183..e795d2c0 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -727,10 +727,11 @@ xmlXIncludeCopyNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr elem,
             return(result);
 
         while (cur->next == NULL) {
+            if (insertParent != NULL)
+                insertParent->last = insertLast;
             cur = cur->parent;
             if (cur == elem)
                 return(result);
-            insertParent->last = insertLast;
             insertLast = insertParent;
             insertParent = insertParent->parent;
         }