MFB (make it really W3C compatible (unlink node, when in tree...))

diff --git a/ext/domxml/php_domxml.c b/ext/domxml/php_domxml.c
index 5e2b9b343ad5d798edc78c21bef190b41e0fd505..9027d42a806d46ff2103ab2a543a7b3a7c73a1c0 100644 (file)
--- a/ext/domxml/php_domxml.c
+++ b/ext/domxml/php_domxml.c
@@ -2329,8 +2329,8 @@ PHP_FUNCTION(domxml_node_append_child)
                RETURN_FALSE;
        }
        
-       /* first unlink node, if child is already a child of parent */
-       if (child->parent == parent){
+       /* first unlink node, if child is already in the tree */
+       if (child->doc == parent->doc && child->parent != NULL){
                xmlUnlinkNode(child);
        }