Misc/NEWS.d/next/Documentation/2020-07-07-22-54-51.bpo-41233.lyUJ8L.rst

Link the errnos referenced in ``Doc/library/exceptions.rst`` to their respective section in ``Doc/library/errno.rst``, and vice versa. Previously this was only done for EINTR and InterruptedError. Patch by Yan "yyyyyyyan" Orestes.