* lisp/org/ox-beamer.el (org-mode): Assume that font-lock is
preloaded, which it has been since Emacs 22.1.
* lisp/textmodes/reftex.el (reftex-use-fonts): Make function obsolete
in favor of variable.  Update all callers.

* lisp/textmodes/reftex-cite.el (reftex-citation): Fix spelling.

* lisp/textmodes/reftex-cite.el (reftex-all-used-citation-keys):
Improve regexp for matching various cite commands incl. optional
arguments.
Recognize comments more robustly and don't interpret the control
symbol \% as a comment starter.  (bug#56655)

* test/lisp/textmodes/reftex-tests.el
(reftex-all-used-citation-keys): New test.

* lisp/textmodes/reftex-cite.el (reftex-parse-bibitem)
(reftex-format-bibitem): Quote backslash.

* lisp/textmodes/reftex-vars.el
(reftex-cite-cleanup-optional-args): Fix example with 2 optional
arguments.

* lisp/textmodes/reftex-cite.el
(reftex-extract-bib-entries-from-thebibliography): Quote
backslash in docstring.

* admin/notes/bugtracker: Use non-obsolete name
'mail-dont-reply-to-names'.
* admin/notes/multi-tty: Mention new variable name
'x-selection-value'.
* doc/lispintro/emacs-lisp-intro.texi (Point and mark)
(Point and mark, Design @value{COUNT-WORDS}): Avoid using obsolete
name 'count-lines-region'.
* doc/lispref/hooks.texi (Standard Hooks): Remove reference to
obsolete abnormal hook 'completion-annotate-function'.
* doc/misc/efaq.texi (SPC no longer completes file names): Remove
reference to obsolete 'minibuffer-local-filename-must-match-map';
setting it has no effect.
* doc/misc/gnus.texi (NNTP): Remove reference to obsolete variable
'nntp-authinfo-file'.
* doc/misc/reftex.texi (Table of Contents, Creating Citations)
(Options - Table of Contents, Options - Referencing Labels)
(Options - Creating Citations, Options - Index Support)
(Options - Index Support, Changes): Don't use obsolete names.
* doc/misc/speedbar.texi (Minor Display Modes)
(Major Display Modes): Make variable name suggestions more in line
with existing non-obsolete variable.
* lisp/textmodes/reftex-cite.el (reftex-select-bib-mode-map):
* lisp/textmodes/reftex-ref.el (reftex-offer-label-menu): Don't use
obsolete variable names.
* lisp/progmodes/which-func.el (which-func-mode): Doc fix.

* lisp/autoarg.el (autoarg-mode):
* lisp/bookmark.el (bookmark-set, bookmark-set-no-overwrite)
(bookmark-save):
* lisp/calendar/todo-mode.el (todo-insert-item)
(todo-filter-top-priorities)
(todo-filter-top-priorities-multifile):
* lisp/dired-x.el (dired-mark-extension, dired-mark-suffix):
* lisp/eshell/eshell.el (eshell):
* lisp/gnus/gnus-group.el (gnus-group-find-new-groups):
* lisp/gnus/gnus-start.el (gnus-find-new-newsgroups):
* lisp/gnus/gnus-sum.el (gnus-summary-show-article):
* lisp/gnus/gnus.el (gnus-secondary-servers):
* lisp/org/org-timer.el (org-timer-set-timer):
* lisp/org/ox.el (org-export-dispatch-last-position):
* lisp/printing.el (pr-ps-directory-preview)
(pr-ps-directory-using-ghostscript, pr-ps-directory-print)
(pr-ps-directory-ps-print, pr-ps-buffer-preview)
(pr-ps-buffer-using-ghostscript, pr-ps-buffer-print)
(pr-ps-buffer-ps-print, pr-despool-preview)
(pr-despool-using-ghostscript, pr-despool-print)
(pr-despool-ps-print, pr-ps-file-up-ps-print, pr-ps-fast-fire)
(pr-txt-fast-fire):
* lisp/progmodes/idlwave.el (idlwave-complete):
* lisp/progmodes/sh-script.el (sh-set-shell):
* lisp/replace.el (occur):
* lisp/ses.el (ses--advice-yank):
* lisp/simple.el (set-mark-command-repeat-pop):
* lisp/sort.el (delete-duplicate-lines):
* lisp/strokes.el (strokes-help):
* lisp/textmodes/artist.el (artist-mode):
* lisp/textmodes/reftex-cite.el (reftex-citation):
* lisp/textmodes/reftex-dcr.el (reftex-view-crossref):
* lisp/textmodes/reftex-index.el (reftex-index-selection-or-word)
(reftex-display-index):
* lisp/textmodes/reftex-ref.el (reftex-reference):
* lisp/textmodes/reftex-toc.el (reftex-toc):
* lisp/textmodes/reftex-vars.el (reftex-cite-prompt-optional-args)
(reftex-enable-partial-scans):
* lisp/textmodes/texnfo-upd.el (texinfo-master-menu):
* lisp/windmove.el (windmove-display-in-direction)
(windmove-delete-left, windmove-delete-up)
(windmove-delete-right, windmove-delete-down):
* lisp/window.el (recenter-window-group, recenter-other-window): Use
command substitution for 'universal-argument' instead of raw "C-u".