Delete libraries obsolete since 23.1 and 23.2

Emacs 23.2 was released 10 years ago.  old-whitespace.el has a
replacement in whitespace.el and is no longer relevant.  The other
libraries implement compatibility with Lucid Emacs, a modified version
of Emacs last released in the 1990s.

* lisp/obsolete/ledit.el:
* lisp/obsolete/lmenu.el:
* lisp/obsolete/lucid.el:
* lisp/obsolete/old-whitespace.el: Delete files.  These libraries have
been obsolete since Emacs 23.1 or 23.2.
* etc/NEWS: Announce their deletion.

* admin/authors.el (authors-ignored-files)
(authors-fixed-entries, authors-valid-file-names):
* lisp/emulation/viper.el (viper-mode):
* lisp/ffap.el (ffap-menu-ask): Remove references to deleted files.

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 8a1d51c18d7..b93199f362f 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -397,6 +397,10 @@ This is no longer supported, and setting this variable has no effect.
 ** The macro 'with-displayed-buffer-window' is now obsolete.
 Use macro 'with-current-buffer-window' with action alist entry 'body-function'.
 
+---
+** Some libraries obsolete since Emacs 23 have been removed:
+'ledit.el', 'lmenu.el', 'lucid.el and 'old-whitespace.el'.
+
 
 * Lisp Changes in Emacs 28.1