[3.11] Docs: clean up Argument Clinic howto's (#107797) (#107800)

erlend-aasland · web-flow · commit ec0c0c8692e3 · 2023-08-09T07:54:32.000Z
(cherry picked from commit 34cafd3) - fix formatting in @text_signature howto and NEWS entry
diff --git a/Doc/howto/clinic.rst b/Doc/howto/clinic.rst
@@ -1920,7 +1920,9 @@ Example from :source:`Objects/codeobject.c`::
        Return a copy of the code object with new values for the specified fields.
    [clinic start generated output]*/
 
-The generated docstring ends up looking like this::
+The generated docstring ends up looking like this:
+
+.. code-block:: none
 
    replace($self, /, **changes)
    --
