BaseHTTPRequestHandler, that path includes query (#25597)

* Clarify, for BaseHTTPRequestHandler, that path includes query

Co-authored-by: David Jones <drj@pobox.com>

Author: orsenthil

Doc/library/http.server.rst

@@ -98,7 +98,9 @@ provides three different variants:
 
    .. attribute:: path
 
-      Contains the request path.
+      Contains the request path. If query component of the URL is present,
+      then ``path`` includes the query. Using the terminology of :rfc:`3986`,
+      ``path`` here includes ``hier-part`` and the ``query``.
 
    .. attribute:: request_version