Update Antinews in ELisp manual
* doc/lispref/anti.texi (Antinews): Rewrite for Emacs 27. * doc/lispref/elisp.texi (Top): Update the top-level menu item for Antinews.
* doc/lispref/anti.texi (Antinews): Rewrite for Emacs 27. * doc/lispref/elisp.texi (Top): Update the top-level menu item for Antinews.