[2.7] bpo-30380: Fix Sphinx 1.6.1 warnings. (GH-1613) (#1616)
* Use explicit numbering for footnotes referred by explicit number.
* Fix literal strings formatting in howto/urllib2.rst.
* Add `:noindex:` to duplicated definition of list.
* Update susp-ignored.csv for reference/expressions.rst.
(cherry picked from commit d97b7dc94b19063f0589d401bdc4aaadc7030762)
diff --git a/Doc/library/xml.dom.minidom.rst b/Doc/library/xml.dom.minidom.rst
index a1d7951..f91259a 100644
--- a/Doc/library/xml.dom.minidom.rst
+++ b/Doc/library/xml.dom.minidom.rst
@@ -273,7 +273,7 @@
.. rubric:: Footnotes
-.. [#] The encoding string included in XML output should conform to the
+.. [1] The encoding string included in XML output should conform to the
appropriate standards. For example, "UTF-8" is valid, but "UTF8" is
not. See https://www.w3.org/TR/2006/REC-xml11-20060816/#NT-EncodingDecl
and https://www.iana.org/assignments/character-sets/character-sets.xhtml.