Merged revisions 82757-82758,82760-82764 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r82757 | georg.brandl | 2010-07-10 10:58:37 +0200 (Sa, 10 Jul 2010) | 1 line

  Fix markup.
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  r82758 | georg.brandl | 2010-07-10 12:23:40 +0200 (Sa, 10 Jul 2010) | 1 line

  Emphasize role of count for Pascal string.
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  r82760 | georg.brandl | 2010-07-10 12:39:57 +0200 (Sa, 10 Jul 2010) | 1 line

  #3214: improve description of duck-typing in glossary.
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  r82761 | georg.brandl | 2010-07-10 13:40:13 +0200 (Sa, 10 Jul 2010) | 1 line

  #1434090: properly append child in expatbuilder doctype handler.
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  r82762 | georg.brandl | 2010-07-10 13:51:06 +0200 (Sa, 10 Jul 2010) | 1 line

  #8338: fix outdated class name.
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  r82763 | georg.brandl | 2010-07-10 14:01:34 +0200 (Sa, 10 Jul 2010) | 1 line

  #8456: fix signature of sqlite3.connect().
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  r82764 | georg.brandl | 2010-07-10 14:20:38 +0200 (Sa, 10 Jul 2010) | 1 line

  #8564: update docs on integrating doctest/unittest with unittest(2) test discovery.
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diff --git a/Lib/xml/dom/expatbuilder.py b/Lib/xml/dom/expatbuilder.py
index a2f8a33..4fba875 100644
--- a/Lib/xml/dom/expatbuilder.py
+++ b/Lib/xml/dom/expatbuilder.py
@@ -242,7 +242,7 @@
         doctype = self.document.implementation.createDocumentType(
             doctypeName, publicId, systemId)
         doctype.ownerDocument = self.document
-        self.document.childNodes.append(doctype)
+        _append_child(self.document, doctype)
         self.document.doctype = doctype
         if self._filter and self._filter.acceptNode(doctype) == FILTER_REJECT:
             self.document.doctype = None