Issue #25576: Remove application/x-www-form-urlencoded charset advice
No charset parameter is standardized for this Content-Type value. Also
clarify that urlencode() outputs ASCII.
diff --git a/Doc/library/urllib.parse.rst b/Doc/library/urllib.parse.rst
index fbbabca..ac04f99 100644
--- a/Doc/library/urllib.parse.rst
+++ b/Doc/library/urllib.parse.rst
@@ -519,10 +519,11 @@
.. function:: urlencode(query, doseq=False, safe='', encoding=None, errors=None)
Convert a mapping object or a sequence of two-element tuples, which may
- contain :class:`str` or :class:`bytes` objects, to a "percent-encoded"
- string. If the resultant string is to be used as a *data* for POST
- operation with :func:`~urllib.request.urlopen` function, then it should be
- properly encoded to bytes, otherwise it would result in a :exc:`TypeError`.
+ contain :class:`str` or :class:`bytes` objects, to a percent-encoded ASCII
+ text string. If the resultant string is to be used as a *data* for POST
+ operation with the :func:`~urllib.request.urlopen` function, then
+ it should be encoded to bytes, otherwise it would result in a
+ :exc:`TypeError`.
The resulting string is a series of ``key=value`` pairs separated by ``'&'``
characters, where both *key* and *value* are quoted using :func:`quote_plus`