* lisp/tree-widget.el (tree-widget-nohandle-guide): New widget:
"One small change is needed to accommodate this
style. `tree-widget-guide’ specifies a single vertical bar “guide”
widget. In the unicode tree, two separate vertical bars are needed
— one “plain” (│), and one which connects to the horizontal
“handle” preceding the node (├)."
(tree-widget--cursors):
(tree-widget):
(tree-widget-value-create): Use it.

Copyright-paperwork-exempt: yes

836be7a112 ; * etc/refcards/ru-refcard.tex: Update Copyright year.
86cbc6ee4a * lisp/net/tramp-sh.el: Adapt copyright year
ebe8772f65 ; Minor fixes related to copyright years
23c1ee6989 ; * test/manual/etags/ETAGS.good_N: Adjust to copyright ye...
8d3fc7ec89 * src/xfaces.c (face_for_font): Make 'hash' be uintptr_t.
19dcb237b5 ; Add 2022 to copyright years.

# Conflicts:
#	etc/NEWS
#	etc/refcards/ru-refcard.tex
#	lib/cdefs.h
#	lisp/erc/erc-dcc.el
#	lisp/erc/erc-imenu.el
#	lisp/erc/erc-replace.el
#	lisp/image-dired.el
#	lisp/progmodes/xref.el
#	m4/alloca.m4
#	m4/byteswap.m4
#	m4/errno_h.m4
#	m4/getopt.m4
#	m4/gnulib-common.m4
#	m4/inttypes.m4
#	m4/stddef_h.m4
#	m4/stdint.m4
#	m4/sys_socket_h.m4

* admin/unidata/unidata-gen.el (unidata-gen-table)
(unidata-gen-table-symbol, unidata-gen-table-integer)
(unidata-gen-table-numeric, unidata-gen-table-word-list)
(unidata-describe-decomposition):
* lisp/apropos.el (apropos-user-option):
* lisp/bookmark.el (bookmark-bmenu-search):
* lisp/composite.el (unicode-category-table):
* lisp/elec-pair.el (electric-pair--balance-info):
* lisp/electric.el (electric-quote-chars):
* lisp/emulation/cua-base.el (cua-rectangle-mark-key):
* lisp/epa-hook.el (epa-file-encrypt-to):
* lisp/faces.el (face-font-selection-order)
(face-font-family-alternatives, face-font-registry-alternatives)
(face-valid-attribute-values, tty-run-terminal-initialization):
* lisp/files.el (recover-file, file-expand-wildcards):
* lisp/frame.el (frames-on-display-list):
* lisp/help-at-pt.el (help-at-pt-display-when-idle):
* lisp/help-fns.el (help-fns--face-attributes):
* lisp/ido.el (ido-mode, ido-unc-hosts):
* lisp/isearch.el (isearch-highlight-regexp)
(isearch-highlight-lines-matching-regexp):
* lisp/language/indian.el (script-regexp-alist):
* lisp/language/lao.el:
* lisp/leim/quail/ipa.el (ipa-x-sampa-prepend-to-keymap-entry):
* lisp/mh-e/mh-folder.el (mh-process-commands):
* lisp/mh-e/mh-mime.el (mh-display-with-external-viewer):
* lisp/ps-mule.el (ps-mule-end-job):
* lisp/ps-print.el (ps-color-scale, ps-background-pages)
(ps-background-text, ps-background-image, ps-background)
(ps-begin-job, ps-print-translation-table):
* lisp/recentf.el (recentf-sort-ascending)
(recentf-sort-descending, recentf-sort-basenames-ascending)
(recentf-sort-basenames-descending)
(recentf-sort-directories-ascending)
(recentf-sort-directories-descending):
* lisp/replace.el (occur-engine-add-prefix):
* lisp/select.el (xselect--encode-string):
* lisp/server.el (server-use-tcp):
* lisp/ses.el (ses-sort-column):
* lisp/sort.el (sort-columns):
* lisp/term/ns-win.el (window-system-initialization):
* lisp/tree-widget.el (tree-widget-image-formats):
* lisp/whitespace.el (whitespace-report-region): Remove redundant #'
before lambda.

* lisp/bs.el:
* lisp/calendar/timeclock.el:
* lisp/cedet/semantic/bovine/grammar.el:
* lisp/cedet/semantic/grammar.el:
* lisp/cedet/semantic/wisent.el:
* lisp/cedet/semantic/wisent/comp.el:
* lisp/cedet/semantic/wisent/java-tags.el:
* lisp/cedet/semantic/wisent/wisent.el:
* lisp/erc/erc.el:
* lisp/net/newst-treeview.el:
* lisp/recentf.el:
* lisp/ruler-mode.el:
* lisp/textmodes/remember.el:
* lisp/thumbs.el:
* lisp/tree-widget.el:
* lisp/vc/vc-hg.el: Delete empty "History" sections.

* lisp/cedet/semantic/grammar.el
(semantic-grammar-header-template): Don't add "History" section to
generated file.

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

* lisp/apropos.el (apropos-print):
* lisp/buff-menu.el (Buffer-menu-mode):
* lisp/calc/calc.el (calc-trail-buffer):
* lisp/chistory.el (command-history-mode):
* lisp/dabbrev.el:
* lisp/dframe.el (dframe-frame-mode):
* lisp/doc-view.el (doc-view-presentation-mode):
* lisp/ebuff-menu.el (electric-buffer-menu-mode)
(electric-buffer-update-highlight):
* lisp/edmacro.el (edit-kbd-macro):
* lisp/face-remap.el (buffer-face-set, buffer-face-toggle):
* lisp/files.el:
(find-file-noselect-1, hack-local-variables-confirm)
(set-visited-file-name, revert-buffer--default):
* lisp/filesets.el (filesets-spawn-external-viewer):
* lisp/find-dired.el (find-dired):
* lisp/find-lisp.el (find-lisp-find-dired-internal):
* lisp/finder.el (finder-mode):
* lisp/font-core.el (font-lock-default-function):
* lisp/format.el (format-annotate-function):
* lisp/help-fns.el (describe-variable):
* lisp/help-mode.el (help-mode):
* lisp/icomplete.el (icomplete-minibuffer-setup)
(icomplete--in-region-setup):
* lisp/ido.el (ido-completion-help, ido-tidy):
* lisp/international/robin.el (robin-activate):
* lisp/leim/quail/hangul.el (hangul-input-method-activate):
* lisp/leim/quail/uni-input.el (ucs-input-activate):
* lisp/man.el (Man-mode):
* lisp/master.el (master-set-slave):
* lisp/minibuffer.el (minibuffer-completion-help)
(read-file-name-default):
* lisp/outline.el (outline-minor-mode):
* lisp/pcomplete.el (pcomplete-comint-setup):
* lisp/proced.el (proced-mode):
* lisp/recentf.el (recentf-edit-list, recentf-open-files-items):
* lisp/replace.el (occur-1):
* lisp/reveal.el (reveal-mode):
* lisp/ruler-mode.el (ruler--save-header-line-format):
* lisp/scroll-lock.el (scroll-lock-mode):
* lisp/startup.el (normal-top-level, normal-splash-screen):
* lisp/strokes.el (strokes-list-strokes):
* lisp/thumbs.el (thumbs-insert-image, thumbs-show-thumbs-list):
* lisp/tree-widget.el (tree-widget-set-theme):
* lisp/window.el (read-buffer-to-switch):
* lisp/xwidget.el (xwidget-webkit-begin-edit-textarea): Prefer
setq-local.

Run "TZ=UTC0 admin/update-copyright $(git ls-files)".

* lisp/tree-widget.el (tree-widget-image-properties-xemacs)
(tree-widget-set-theme, tree-widget--cursors)
(tree-widget-image-properties, tree-widget-button-keymap)
(tree-widget-icon, tree-widget-value-create): Remove XEmacs compat
code.