From dc075b9ddd19ec5930d39f4958f8f80a2d14c8ae Mon Sep 17 00:00:00 2001
From: Fredrik Lundh <fredrik@pythonware.com>
Date: Wed, 16 Aug 2006 16:47:07 +0000
Subject: [PATCH] SF#1534630

ignore data that arrives before the opening start tag
---
 Lib/test/test_xml_etree_c.py | 11 +++++++++++
 Modules/_elementtree.c       |  6 +++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_xml_etree_c.py b/Lib/test/test_xml_etree_c.py
index 56e7fedfdc9..250f7910738 100644
--- a/Lib/test/test_xml_etree_c.py
+++ b/Lib/test/test_xml_etree_c.py
@@ -204,6 +204,17 @@ def check_encoding(encoding):
         "<?xml version='1.0' encoding='%s'?><xml />" % encoding
         )
 
+def bug_1534630():
+    """
+    >>> bob = ET.TreeBuilder()
+    >>> e = bob.data("data")
+    >>> e = bob.start("tag", {})
+    >>> e = bob.end("tag")
+    >>> e = bob.close()
+    >>> serialize(ET, e)
+    '<tag />'
+    """
+
 def test_main():
     from test import test_xml_etree_c
     test_support.run_doctest(test_xml_etree_c, verbosity=True)
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index c9e524f74cf..f21cf568561 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -48,7 +48,7 @@
 
 #include "Python.h"
 
-#define VERSION "1.0.6-snapshot"
+#define VERSION "1.0.6"
 
 /* -------------------------------------------------------------------- */
 /* configuration */
@@ -1599,6 +1599,10 @@ LOCAL(PyObject*)
 treebuilder_handle_data(TreeBuilderObject* self, PyObject* data)
 {
     if (!self->data) {
+        if (self->last == (ElementObject*) Py_None) {
+            /* ignore calls to data before the first call to start */
+            Py_RETURN_NONE;
+        }
         /* store the first item as is */
         Py_INCREF(data); self->data = data;
     } else {