Merged revisions 85530,85532-85534,85538-85543,85546-85548 via svnmerge from

svn+ssh://svn.python.org/python/branches/py3k

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  r85530 | georg.brandl | 2010-10-15 17:32:05 +0200 (Fr, 15 Okt 2010) | 1 line

  Refrain from using inline suites.
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  r85532 | georg.brandl | 2010-10-15 18:03:02 +0200 (Fr, 15 Okt 2010) | 1 line

  #7771: reference to documentation of dictview methods and operations.
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  r85533 | georg.brandl | 2010-10-15 18:07:41 +0200 (Fr, 15 Okt 2010) | 1 line

  #9683: remove broken dead code dealing with nested arguments removed from Py3k, and update the docs and docstrings accordingly.
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  r85534 | georg.brandl | 2010-10-15 18:19:43 +0200 (Fr, 15 Okt 2010) | 1 line

  #9801: document how list and dict proxies created by Managers behave w.r.t. mutable items.
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  r85538 | georg.brandl | 2010-10-15 18:35:46 +0200 (Fr, 15 Okt 2010) | 1 line

  #7303: add documentation for useful pkgutil functions and classes.
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  r85539 | georg.brandl | 2010-10-15 18:42:14 +0200 (Fr, 15 Okt 2010) | 1 line

  Fix issue references.
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  r85540 | georg.brandl | 2010-10-15 18:42:37 +0200 (Fr, 15 Okt 2010) | 1 line

  #6798: fix wrong docs for the arguments to several trace events.
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  r85541 | georg.brandl | 2010-10-15 18:53:24 +0200 (Fr, 15 Okt 2010) | 1 line

  #4968: updates to inspect.is* function docs.
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  r85542 | georg.brandl | 2010-10-15 19:01:15 +0200 (Fr, 15 Okt 2010) | 1 line

  #7790: move table of struct_time members to the actual description of struct_time.
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  r85543 | georg.brandl | 2010-10-15 19:03:02 +0200 (Fr, 15 Okt 2010) | 1 line

  #4785: document strict argument of JSONDecoder, plus add object_pairs_hook in the docstrings.
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  r85546 | georg.brandl | 2010-10-15 19:58:45 +0200 (Fr, 15 Okt 2010) | 1 line

  #5762: fix handling of empty namespace in minidom, which would result in AttributeError on toxml().
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  r85547 | georg.brandl | 2010-10-15 20:00:35 +0200 (Fr, 15 Okt 2010) | 1 line

  #6098: Refrain from claiming DOM level 3 conformance in minidom.
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  r85548 | georg.brandl | 2010-10-15 21:46:19 +0200 (Fr, 15 Okt 2010) | 1 line

  #10072: assume a bit less knowledge of the FTP protocol in the ftplib docs.
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1 files changed, 4 insertions, 5 deletions

diff --git a/Lib/xml/dom/minidom.py b/Lib/xml/dom/minidom.py
index f4f4400..0e62e73 100644
--- a/Lib/xml/dom/minidom.py
+++ b/Lib/xml/dom/minidom.py
@@ -293,9 +293,10 @@ def _in_document(node):
 
 def _write_data(writer, data):
     "Writes datachars to writer."
-    data = data.replace("&", "&amp;").replace("<", "&lt;")
-    data = data.replace("\"", "&quot;").replace(">", "&gt;")
-    writer.write(data)
+    if data:
+        data = data.replace("&", "&amp;").replace("<", "&lt;"). \
+                    replace("\"", "&quot;").replace(">", "&gt;")
+        writer.write(data)
 
 def _get_elements_by_tagName_helper(parent, name, rc):
     for node in parent.childNodes:
@@ -1358,11 +1359,9 @@ class Notation(Identified, Childless, Node):
 class DOMImplementation(DOMImplementationLS):
     _features = [("core", "1.0"),
                  ("core", "2.0"),
-                 ("core", "3.0"),
                  ("core", None),
                  ("xml", "1.0"),
                  ("xml", "2.0"),
-                 ("xml", "3.0"),
                  ("xml", None),
                  ("ls-load", "3.0"),
                  ("ls-load", None),