[3.11] gh-48241: Clarify URL needs to be encoded when provided to urlopen and Request (GH-103855) (#103891)

(cherry picked from commit 44010d0)

Co-authored-by: Michael Blahay <[email protected]>
Co-authored-by: Łukasz Langa <[email protected]>

Author: 3 people

Doc/library/urllib.request.rst

@@ -28,8 +28,8 @@ The :mod:`urllib.request` module defines the following functions:
 
 .. function:: urlopen(url, data=None[, timeout], *, cafile=None, capath=None, cadefault=False, context=None)
 
-   Open the URL *url*, which can be either a string or a
-   :class:`Request` object.
+   Open *url*, which can be either a string containing a valid, properly
+   encoded URL, or a :class:`Request` object.
 
    *data* must be an object specifying additional data to be sent to the
    server, or ``None`` if no such data is needed.  See :class:`Request`
@@ -192,7 +192,7 @@ The following classes are provided:
 
    This class is an abstraction of a URL request.
 
-   *url* should be a string containing a valid URL.
+   *url* should be a string containing a valid, properly encoded URL.
 
    *data* must be an object specifying additional data to send to the
    server, or ``None`` if no such data is needed.  Currently HTTP

Misc/NEWS.d/next/Documentation/2023-04-25-22-58-08.gh-issue-48241.l1Gxxh.rst

@@ -0,0 +1 @@
+Clarifying documentation about the url parameter to urllib.request.urlopen and urllib.request.Requst needing to be encoded properly.