Issue #13513: IOBase docs incorrectly link to the readline module

diff --cc Doc/library/io.rst
Simple merge

diff --cc Misc/NEWS
index 3f8e2591d3c6f50e5b809f58390cb789c0e99baa,c5324644d4eaa751a1fbb4fe8e22ddb2ca25b4ee..abb04e42d68f6ca8f7ca7dba8bd811242eb1fe08
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -1885,11 -1234,6 +1885,14 @@@ C-AP
  Documentation
  -------------
  
++- Issue #13513: Fix io.IOBase documentation to correctly link to the
++  io.IOBase.readline method instead of the readline module.
++
 +- Issue #13237: Reorganise subprocess documentation to emphasise convenience
 +  functions and the most commonly needed arguments to Popen.
 +
 +- Issue #13141: Demonstrate recommended style for socketserver examples.
 +
  - Issue #11818: Fix tempfile examples for Python 3.