* doc/emacs/custom.texi (Specific Customization): Fix
customize-changed/customize-changed-options documentation.
* lisp/cus-dep.el (custom-make-dependencies): Adjust doc string
(bug#23085).

* lisp/menu-bar.el (menu-bar-custom-menu): Adjust menu options.

* lisp/cus-edit.el (customize-changed): Rename from
customize-changed-options (bug#23085), since the old name doesn't
reflect what it does: It's not just about user options, but also
faces and the like.
(customize-changed-options): Make into an obsolete alias.

Run "TZ=UTC0 admin/update-copyright".

* lisp/cus-edit.el (custom-variable-value-create): Obey the specified
tag format when creating the variable tag, but stop dropping the tag
format for the variable's type widget, since the tag can be used to
give useful information to the user about the variable.  (Bug#35133)

* lisp/cus-edit.el (custom-save-all): Do the custom saves as an
atomic change group, to avoid writing invalid data if something
goes wrong (or the user hits `C-g') in the middle (bug#18633).

* lisp/cus-edit.el (custom-variable-modified-p): Quote the value when
custom form is 'lisp (or 'mismatch) prior to comparing in order to
accommodate `custom-variable-value-create' (bug#44852).

* lisp/emacs-lisp/easymenu.el (easy-menu-remove, easy-menu-add):
Make XEmacs compat aliases obsolete.
* lisp/allout.el (allout-setup-menubar):
* lisp/cus-edit.el (Custom-mode):
* lisp/gnus/gnus-art.el (gnus-article-edit-mode):
* lisp/gnus/message.el (message-mode):
* lisp/net/sieve.el (sieve-manage-mode):
* lisp/org/org-agenda.el (org-agenda-mode):
* lisp/org/org-table.el (org-table-edit-formulas, orgtbl-mode):
* lisp/org/org.el:
* lisp/progmodes/cperl-mode.el (cperl-mode):
* lisp/progmodes/hideshow.el (hs-minor-mode):
* lisp/progmodes/idlw-help.el (idlwave-help-mode):
* lisp/progmodes/idlw-shell.el (idlwave-shell-mode):
* lisp/progmodes/idlwave.el (idlwave-mode):
* lisp/progmodes/meta-mode.el (meta-common-mode):
* lisp/progmodes/octave.el (octave-mode):
* lisp/progmodes/prolog.el (prolog-menu):
* lisp/progmodes/tcl.el (tcl-mode):
* lisp/speedbar.el (speedbar-reconfigure-keymaps):
* lisp/term.el (term-mode, term-char-mode, term-process-pager):
* lisp/textmodes/dns-mode.el (dns-mode):
* lisp/wid-browse.el (widget-browse-mode): Don't call above
obsolete aliases.
* lisp/cedet/semantic/grammar.el (semantic-grammar-setup-menu-xemacs):
* lisp/mh-e/mh-folder.el (mh-folder-mode):
* lisp/mh-e/mh-identity.el (mh-identity-add-menu):
* lisp/mh-e/mh-letter.el (mh-letter-mode):
* lisp/mh-e/mh-search.el (mh-search-mode):
* lisp/mh-e/mh-show.el (mh-show-mode):
* lisp/obsolete/otodo-mode.el (todo-mode):
* lisp/progmodes/antlr-mode.el (antlr-mode):
* lisp/progmodes/cc-mode.el (c-mode, c++-mode, objc-mode)
(java-mode, idl-mode, pike-mode):
* lisp/progmodes/sql.el (sql-mode, sql-interactive-mode):
* lisp/progmodes/vhdl-mode.el (vhdl-update-mode-menu)
(vhdl-add-source-files-menu, vhdl-mode):
* lisp/textmodes/reftex-index.el (reftex-index-mode)
(reftex-index-phrases-mode):
* lisp/textmodes/reftex-toc.el (reftex-toc-mode):
* lisp/textmodes/reftex.el (reftex-mode): Only call above obsolete
aliases in XEmacs.

* lisp/progmodes/prolog.el (prolog-inferior-menu):
* lisp/erc/erc-menu.el (erc-menu-add, erc-menu-remove): Don't call
above obsolete aliases.  Make obsolete.
* lisp/erc/erc-menu.el (menu, erc-menu-add, erc-menu-remove):
* lisp/progmodes/prolog.el (prolog-inferior-mode): Adjust callers.
* lisp/speedbar.el (speedbar-previous-menu): Make obsolete.
(Bug#44731)

* lisp/cus-face.el (custom-facep): Mark compat alias obsolete.
* lisp/cus-dep.el (custom-make-dependencies):
* lisp/cus-edit.el (customize-changed-options)
(custom-unsaved-options, customize-saved, customize-apropos)
(custom-save-faces): Adjust callers.

* lisp/cus-edit.el (custom--filter-obsolete-variables): New defun.
* lisp/cus-edit.el (customize-changed-options)
(customize-apropos, custom-group-value-create): Hide obsolete user
options.  (Bug#44598)
* test/lisp/cus-edit-tests.el: New file.