Describe the default_namespace parameter of ElemetTree.write.
diff --git a/Doc/library/xml.etree.elementtree.rst b/Doc/library/xml.etree.elementtree.rst
index 458f746..9ce781e 100644
--- a/Doc/library/xml.etree.elementtree.rst
+++ b/Doc/library/xml.etree.elementtree.rst
@@ -767,13 +767,15 @@
root element.
- .. method:: write(file, encoding="us-ascii", xml_declaration=None, method="xml")
+ .. method:: write(file, encoding="us-ascii", xml_declaration=None, \
+ default_namespace=None, method="xml")
Writes the element tree to a file, as XML. *file* is a file name, or a
file object opened for writing. *encoding* [1]_ is the output encoding
(default is US-ASCII). *xml_declaration* controls if an XML declaration
should be added to the file. Use False for never, True for always, None
- for only if not US-ASCII or UTF-8 (default is None). *method* is either
+ for only if not US-ASCII or UTF-8 (default is None). *default_namespace*
+ sets the default XML namespace (for "xmlns"). *method* is either
``"xml"``, ``"html"`` or ``"text"`` (default is ``"xml"``). Returns an
encoded string.
diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index d8ec67a..cd33cd0 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -779,11 +779,12 @@
# @param file A file name, or a file object opened for writing.
# @param **options Options, given as keyword arguments.
# @keyparam encoding Optional output encoding (default is US-ASCII).
- # @keyparam method Optional output method ("xml", "html", "text" or
- # "c14n"; default is "xml").
# @keyparam xml_declaration Controls if an XML declaration should
# be added to the file. Use False for never, True for always,
# None for only if not US-ASCII or UTF-8. None is default.
+ # @keyparam default_namespace Sets the default XML namespace (for "xmlns").
+ # @keyparam method Optional output method ("xml", "html", "text" or
+ # "c14n"; default is "xml").
def write(self, file_or_filename,
# keyword arguments