Remove many items obsolete since Emacs 22.1

Emacs 22.1 was five major releases and over decade ago.
In bug reporting statistics, it's been absent for around 5 years.
Ref: https://debbugs.gnu.org/stats/emacs.html
This list can be reviewed before to the next release, but for
now hopefully this motivates any needed external updates.
* lisp/arc-mode.el (archive-mouse-extract):
* lisp/bookmark.el (bookmark-exit-hooks):
* lisp/comint.el (comint-use-prompt-regexp-instead-of-fields):
* lisp/cus-edit.el (custom-face-save-command):
* lisp/descr-text.el (describe-char-after):
* lisp/desktop.el (desktop-enable, desktop-basefilename)
(desktop-buffer-modes-to-save, desktop-buffer-misc-functions)
(desktop-buffer-handlers, desktop-load-default):
* lisp/dired-x.el (dired-omit-files-p):
* lisp/frame.el (new-frame, set-default-font, delete-frame-hook)
(blink-cursor):
* lisp/generic-x.el (generic-define-mswindows-modes)
(generic-define-unix-modes):
* lisp/help.el (describe-project, view-todo):
* lisp/hilit-chg.el (highlight-changes-colours):
* lisp/ibuffer.el (ibuffer-elide-long-columns, ibuffer-hooks)
(ibuffer-mode-hooks):
* lisp/imenu.el (imenu-always-use-completion-buffer-p):
* lisp/isearch.el (isearch-lazy-highlight-cleanup)
(isearch-lazy-highlight-initial-delay)
(isearch-lazy-highlight-interval)
(isearch-lazy-highlight-max-at-a-time)
(isearch-lazy-highlight-cleanup):
* lisp/mwheel.el (mouse-wheel-down-button)
(mouse-wheel-up-button, mouse-wheel-click-button):
* lisp/novice.el (disabled-command-hook):
* lisp/recentf.el (recentf-menu-append-commands-p):
* lisp/savehist.el (savehist-load):
* lisp/speedbar.el (speedbar-ignored-path-expressions)
(speedbar-ignored-path-regexp, speedbar-add-ignored-path-regexp)
(speedbar-line-path, speedbar-buffers-line-path, speedbar-path-line):
* lisp/subr.el (assoc-ignore-case, assoc-ignore-representation)
(x-lost-selection-hooks, x-sent-selection-hooks)
(process-kill-without-query):
* lisp/calendar/icalendar.el (icalendar-convert-diary-to-ical)
(icalendar-extract-ical-from-buffer):
* lisp/emacs-lisp/autoload.el (update-autoloads-from-directories):
* lisp/emacs-lisp/derived.el (derived-mode-class):
* lisp/emacs-lisp/generic.el (generic-font-lock-defaults):
* lisp/emacs-lisp/timer.el (timer-set-time-with-usecs):
* lisp/gnus/spam.el (spam-list-of-processors):
* lisp/international/latin1-disp.el (latin1-char-displayable-p):
* lisp/mail/rmail.el (rmail-pop-password, rmail-pop-password-required):
* lisp/net/goto-addr.el (goto-address-at-mouse):
* lisp/net/net-utils.el (ipconfig-program, ipconfig-program-options):
* lisp/obsolete/iswitchb.el (iswitchb-use-fonts):
* lisp/play/dunnet.el (dungeon-mode-map):
* lisp/progmodes/compile.el (compilation-finish-function)
* lisp/progmodes/cperl-mode.el (cperl-vc-header-alist)
* lisp/progmodes/gud.el (tooltip-gud-modes, tooltip-gud-display)
(tooltip-gud-toggle-dereference):
* lisp/progmodes/pascal.el (pascal-outline):
* lisp/progmodes/perl-mode.el (electric-perl-terminator):
* lisp/textmodes/nroff-mode.el (count-text-lines)
(forward-text-line, backward-text-line, electric-nroff-newline)
(electric-nroff-mode):
* lisp/vc/log-edit.el (vc-comment-ring, vc-comment-ring-index)
(vc-previous-comment, vc-next-comment)
(vc-comment-search-reverse, vc-comment-search-forward)
(vc-comment-to-change-log):
* lisp/vc/pcvs-info.el (cvs-display-full-path)
(cvs-fileinfo->full-path):
* lisp/vc/vc.el (vc-diff-switches-list):
Remove items, obsolete since Emacs 22.1.
* lisp/ibuffer.el (ibuffer-cached-elide-long-columns):
Remove internal variable.
(ibuffer-compile-make-eliding-form, ibuffer-check-formats):
(ibuffer-mode): Remove support for ibuffer-elide-long-columns.
* lisp/cedet/semantic/sb.el (semantic-sb-token-jump):
Remove support for speedbar-line-path.
* lisp/emacs-lisp/unsafep.el (assoc-ignore-case):
Stop marking as side-effect-free.
* lisp/gnus/spam.el (spam-group-processor-p):
Remove support for spam-list-of-processors.
* lisp/progmodes/compile.el (define-compilation-mode)
(compilation-handle-exit):
Remove support for compilation-finish-function.
* lisp/progmodes/cperl-mode.el (cperl-mode):
Remove support for cperl-vc-header-alist.
; * lisp/files.el: Comments.
; * etc/NEWS: List removed items.

1 files changed, 0 insertions, 23 deletions

diff --git a/lisp/savehist.el b/lisp/savehist.el
index fbb5f533902..0a261b0b0ca 100644
--- a/lisp/savehist.el
+++ b/lisp/savehist.el
@@ -204,29 +204,6 @@ histories, which is probably undesirable."
 	 (signal (car errvar) (cdr errvar)))))
     (savehist-install)))
 
-(defun savehist-load ()
-  "Load the variables stored in `savehist-file' and turn on Savehist mode.
-If `savehist-file' is in the old format that doesn't record
-the value of `savehist-minibuffer-history-variables', that
-value is deducted from the contents of the file."
-  (declare (obsolete savehist-mode "22.1"))
-  (savehist-mode 1)
-  ;; Old versions of savehist distributed with XEmacs didn't save
-  ;; savehist-minibuffer-history-variables.  If that variable is nil
-  ;; after loading the file, try to intuit the intended value.
-  (when (null savehist-minibuffer-history-variables)
-    (setq savehist-minibuffer-history-variables
-          (with-temp-buffer
-	    (ignore-errors
-	      (insert-file-contents savehist-file))
-            (let ((vars ()) form)
-              (while (setq form (condition-case nil
-				    (read (current-buffer)) (error nil)))
-		;; Each form read is of the form (setq VAR VALUE).
-		;; Collect VAR, i.e. (nth form 1).
-                (push (nth 1 form) vars))
-              vars)))))
-
 (defun savehist-install ()
   "Hook Savehist into Emacs.
 Normally invoked by calling `savehist-mode' to set the minor mode.