#7256: add versionadded tags for functions copied from cgi.

Doc/library/urlparse.rst

@@ -121,6 +121,9 @@ The :mod:`urlparse` module defines the following functions:
    Use the :func:`urllib.urlencode` function to convert such dictionaries into
    query strings.
 
+   .. versionadded:: 2.6
+      Copied from the :mod:`cgi` module.
+
 
 .. function:: parse_qsl(qs[, keep_blank_values[, strict_parsing]])
 
@@ -141,6 +144,10 @@ The :mod:`urlparse` module defines the following functions:
    Use the :func:`urllib.urlencode` function to convert such lists of pairs into
    query strings.
 
+   .. versionadded:: 2.6
+      Copied from the :mod:`cgi` module.
+
+
 .. function:: urlunparse(parts)
 
    Construct a URL from a tuple as returned by ``urlparse()``. The *parts* argument