* lisp/allout.el: Activate lexical-binding.
(allout-setup-menubar): Delete "complex no-op" function.
(allout-mode): Delete call to it.
(allout-hotspot-key-handler): Delete XEmacs-only code.
(allout-copy-exposed-to-buffer): Remove always-nil var `start-list`.

* lisp/allout-widgets.el: Activate lexical-binding.
(allout-item-icon-keymap): Use `ignore`.
(allout-widgets-exposure-change-processor): Use `cl-callf` instead of
relying on dynamic binding to apply some code to two different variables.

* lisp/allout-widgets.el (allout-frame-property): Redefine compat
alias as obsolete function alias for 'frame-parameter'.
(allout-fetch-icon-image): Update caller.

* lisp/allout.el (allout-just-did-undo, allout-mode)
(allout-layout, allout-regexp, allout-bullets-string)
(allout-bullets-string-len, allout-depth-specific-regexp)
(allout-depth-one-regexp, allout-line-boundary-regexp)
(allout-bob-regexp, allout-header-subtraction)
(allout-plain-bullets-string-len, allout-mode-prior-settings)
(allout-outside-normal-auto-fill-function)
(allout-encryption-plaintext-sanitization-regexps)
(allout-encryption-ciphertext-rejection-regexps)
(allout-explicitly-deactivated, allout-recent-prefix-beginning)
(allout-recent-prefix-end, allout-recent-depth)
(allout-recent-end-of-subtree, allout-post-goto-bullet)
(allout-command-counter, allout-this-command-hid-text):
* lisp/allout-widgets.el (allout-widgets-mode)
(allout-widgets-tally, allout-widgets-mode-inhibit)
(allout-inhibit-body-modification-hook)
(allout-widgets-changes-record)
(allout-widgets-undo-exposure-record)
(allout-escaped-prefix-regexp, allout-item-icon-keymap)
(allout-item-body-keymap, allout-cue-span-keymap)
(allout-widgets-last-decoration-timing)
(allout-container-item-widget): Prefer defvar-local.

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

* lisp/allout-widgets.el (allout-widgets-tally-string):
* lisp/array.el (array-mode):
* lisp/calc/calc-units.el (calc-spn):
* lisp/cedet/ede/generic.el (ede-generic-new-autoloader):
* lisp/cedet/semantic/analyze.el (semantic-analyze-find-tag-sequence-default)
(semantic-analyze-find-tag-sequence):
* lisp/cedet/semantic/bovine/c.el (semantic-c-evaluate-symbol-for-hideif):
* lisp/cedet/semantic/bovine/make.el (semantic-lex-make-command):
* lisp/cedet/semantic/db-typecache.el (semanticdb-typecache-include-tags):
* lisp/cedet/semantic/doc.el (semantic-documentation-for-tag):
* lisp/cedet/semantic/tag-ls.el (semantic--tag-attribute-similar-p):
* lisp/emacs-lisp/advice.el (ad-map-arglists):
* lisp/emacs-lisp/bytecomp.el (byte-constant2)
(byte-save-restriction, byte-catch-OBSOLETE, byte-unwind-protect):
* lisp/emacs-lisp/cl-generic.el (cl-generic-combine-methods):
* lisp/emacs-lisp/seq.el (seq-partition, seq-set-equal-p)
(seq-filter):
* lisp/faces.el (face-attribute-specified-or, face-equal):
* lisp/info.el (Info-prev-reference-or-link)
(Info-next-reference-or-link):
* lisp/isearch.el (with-isearch-suspended):
* lisp/kmacro.el (kmacro-step-edit-macro, kmacro-set-counter):
* lisp/org/org-agenda.el (org-agenda-filter-by-category):
* lisp/ses.el (ses-cell-symbol):
* lisp/w32-fns.el (w32-shell-dos-semantics): Shorten doc strings to
not exceed 80-column limits.  (Bug#44858)