These changes fix actual or latent bugs in regexps that match
file names, such as PATTERN arguments to 'directory-files'.  See
https://lists.gnu.org/archive/html/emacs-devel/2020-04/msg00265.html

* admin/authors.el (authors-obsolete-files-regexps)
(authors-renamed-files-regexps):
* lisp/auth-source-pass.el (auth-source-pass-entries):
* lisp/calendar/todo-mode.el (todo-show, todo-find-filtered-items-file)
(todo-filter-items, todo-reset-nondiary-marker, todo-reset-done-string)
(todo-reset-comment-string, todo-reset-highlight-item):
* lisp/cedet/semantic/db-ebrowse.el (semanticdb-load-ebrowse-caches):
* lisp/cedet/semantic/texi.el (semantic-texi-associated-files):
* lisp/cedet/srecode/map.el (srecode-map-update-map):
* lisp/dired.el (dired-re-no-dot):
* lisp/emacs-lisp/autoload.el (update-directory-autoloads):
* lisp/emacs-lisp/shadow.el (load-path-shadows-find):
* lisp/files.el (auto-mode-alist, directory-files-no-dot-files-regexp):
* lisp/finder.el (finder-compile-keywords):
* lisp/generic-x.el (inetd-conf-generic-mode, named-boot-generic-mode)
(resolve-conf-generic-mode, etc-modules-conf-generic-mode):
* lisp/gnus/gnus-agent.el (gnus-agent-read-agentview)
(gnus-agent-regenerate-group, gnus-agent-update-files-total-fetched-for):
* lisp/gnus/gnus-cache.el (gnus-cache-articles-in-group):
* lisp/gnus/gnus-score.el (gnus-score-search-global-directories):
* lisp/gnus/gnus-util.el (gnus-delete-directory):
* lisp/gnus/gnus-uu.el (gnus-uu-dir-files):
* lisp/gnus/nndraft.el (nndraft-request-group):
* lisp/gnus/nnmh.el (nnmh-request-group, nnmh-request-create-group):
(nnmh-request-delete-group, nnmh-active-number, nnmh-update-gnus-unreads):
* lisp/gnus/nnspool.el (nnspool-request-group):
* lisp/gnus/spam-stat.el (spam-stat-process-directory)
(spam-stat-test-directory):
* lisp/help-fns.el (help-fns--first-release):
* lisp/help.el (view-emacs-news):
* lisp/international/quail.el (quail-update-leim-list-file):
* lisp/international/titdic-cnv.el (batch-titdic-convert):
* lisp/mail/mspools.el (mspools-set-vm-spool-files)
(mspools-get-spool-files):
* lisp/mail/rmail.el (rmail-secondary-file-regexp)
(rmail-speedbar-match-folder-regexp):
* lisp/net/ange-ftp.el (ange-ftp-delete-directory):
* lisp/net/tramp.el (tramp-use-absolute-autoload-file-names):
* lisp/obsolete/gulp.el (gulp-send-requests):
* lisp/obsolete/vc-arch.el (vc-arch-trim-revlib):
* lisp/org/ob-core.el (org-babel-remove-temporary-directory):
* lisp/progmodes/ebnf2ps.el (ebnf-file-suffix-regexp, ebnf-style-database):
* lisp/progmodes/executable.el (executable-command-find-posix-p):
* lisp/startup.el (command-line):
* lisp/textmodes/refer.el (refer-get-bib-files):
* lisp/url/url-about.el (url-probe-protocols):
* lisp/vc/vc-rcs.el (vc-rcs-register, vc-rcs-unregister):
* test/lisp/net/tramp-archive-tests.el
(tramp-archive-test19-directory-files-and-attributes):
* test/lisp/net/tramp-tests.el (tramp-test19-directory-files-and-attributes):
Replace ^ and $ with \` and \', respectively.
Use (rx (or (not ".") "...")), translated into "[^.]\\|\\.\\.\\.",
to match anything but "." and "..", instead of several incorrect
regexps.

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

Update email addresses and fix spellings of some author and
maintainer names.

Problems reported by Mattias Engdegård in:
https://lists.gnu.org/r/emacs-devel/2019-03/msg00085.html
* admin/admin.el (set-version):
* lisp/allout.el (allout-latexify-one-item):
* lisp/arc-mode.el (archive-arc-rename-entry)
(archive-rar-summarize):
* lisp/calc/calc-graph.el (calc-graph-set-styles)
(calc-graph-hide):
* lisp/calc/calc-help.el (calc-describe-key):
* lisp/calc/calc-lang.el (math-compose-tex-func, eqn):
* lisp/calc/calc.el (calcDigit-key):
* lisp/cedet/ede/makefile-edit.el (makefile-macro-file-list):
* lisp/cedet/ede/speedbar.el (ede-tag-expand):
* lisp/cedet/semantic/sb.el (semantic-sb-show-extra)
(semantic-sb-expand-group):
* lisp/comint.el (comint-substitute-in-file-name):
* lisp/dired.el (dired-actual-switches):
* lisp/emacs-lisp/chart.el (chart-rmail-from):
* lisp/emacs-lisp/eieio-opt.el (eieio-sb-expand):
* lisp/emacs-lisp/eieio-speedbar.el (eieio-speedbar-object-expand):
* lisp/emacs-lisp/rx.el (rx-not, rx-atomic-p):
* lisp/emulation/viper-ex.el (viper-get-ex-token)
(viper-get-ex-pat, ex-set-read-variable):
* lisp/epg.el (epg--status-SIG_CREATED):
* lisp/erc/erc-speedbar.el (erc-speedbar-expand-user):
(erc-speedbar-expand-channel, erc-speedbar-expand-server)
* lisp/erc/erc.el (erc-is-message-ctcp-and-not-action-p)
(erc-banlist-update):
* lisp/eshell/em-dirs.el (eshell-parse-drive-letter, eshell/pwd):
* lisp/find-dired.el (find-dired):
* lisp/frame.el (frame-set-background-mode):
* lisp/generic-x.el (apache-log-generic-mode):
* lisp/gnus/gnus-art.el (gnus-button-valid-localpart-regexp):
* lisp/gnus/gnus.el (gnus-short-group-name):
* lisp/gnus/message.el (message-mailer-swallows-blank-line):
* lisp/ibuffer.el (ibuffer-fontification-alist):
* lisp/ido.el (ido-set-matches-1):
* lisp/info-xref.el (info-xref-lock-file-p):
* lisp/info.el (Info-dir-remove-duplicates)
(Info-unescape-quotes, Info-split-parameter-string)
(Info-speedbar-expand-node):
* lisp/international/mule.el (sgml-html-meta-auto-coding-function):
* lisp/isearch.el (isearch-pre-command-hook):
* lisp/language/ethio-util.el (ethio-fidel-to-tex-buffer):
* lisp/mail/rmail.el (rmail-collect-deleted):
* lisp/mh-e/mh-alias.el (mh-alias-suggest-alias):
* lisp/mh-e/mh-comp.el (mh-forward):
* lisp/mh-e/mh-search.el (mh-index-next-folder)
(mh-index-create-imenu-index):
* lisp/mh-e/mh-xface.el (mh-picon-get-image):
* lisp/minibuffer.el (completion--embedded-envvar-re):
* lisp/net/ange-ftp.el (ange-ftp-ls-parser):
* lisp/net/goto-addr.el (goto-address-mail-regexp)
(goto-address-find-address-at-point):
* lisp/net/pop3.el (pop3-read-response, pop3-user)
(pop3-pass, pop3-apop):
* lisp/net/tramp.el (tramp-ipv6-regexp)
(tramp-replace-environment-variables):
* lisp/nxml/nxml-maint.el (nxml-insert-target-repertoire-glyph-set):
* lisp/nxml/rng-uri.el (rng-uri-escape-multibyte):
* lisp/nxml/rng-xsd.el (rng-xsd-convert-any-uri):
* lisp/obsolete/pgg.el (pgg-fetch-key):
* lisp/obsolete/vip.el (vip-get-ex-token):
* lisp/org/ob-core.el (org-babel-string-read):
* lisp/org/org-agenda.el:
(org-agenda-add-entry-to-org-agenda-diary-file):
* lisp/org/org-element.el (org-element-keyword-parser):
* lisp/org/org-list.el (org-list-indent-item-generic):
* lisp/org/org-mhe.el (org-mhe-get-message-folder-from-index):
* lisp/org/org-mobile.el (org-mobile-apply):
* lisp/org/org-mouse.el (org-mouse-context-menu):
* lisp/org/org-plot.el (org-plot/gnuplot):
* lisp/org/org-protocol.el (org-protocol-flatten-greedy):
* lisp/org/org-table.el (org-table-copy-down)
(org-table-formula-make-cmp-string)
(org-table-get-stored-formulas, org-table-recalculate)
(org-table-edit-formulas):
* lisp/org/org.el (org-translate-link-from-planner)
(org-fill-line-break-nobreak-p):
* lisp/org/ox-ascii.el (org-ascii-item):
* lisp/org/ox-latex.el (org-latex-clean-invalid-line-breaks):
* lisp/org/ox.el (org-export-expand-include-keyword):
* lisp/progmodes/ada-xref.el (ada-treat-cmd-string):
* lisp/progmodes/cfengine.el (cfengine2-font-lock-keywords):
* lisp/progmodes/cperl-mode.el (cperl-to-comment-or-eol)
(cperl-find-pods-heres, cperl-fix-line-spacing)
(cperl-have-help-regexp, cperl-word-at-point-hard)
(cperl-make-regexp-x):
* lisp/progmodes/dcl-mode.el (dcl-option-value-offset):
* lisp/progmodes/etags.el (tag-implicit-name-match-p):
* lisp/progmodes/fortran.el (fortran-fill):
* lisp/progmodes/gdb-mi.el (gdb-speedbar-expand-node)
(gdb-locals-handler-custom):
* lisp/progmodes/grep.el (grep-mode-font-lock-keywords):
* lisp/progmodes/gud.el (gud-jdb-find-source-using-classpath):
* lisp/progmodes/js.el (js--continued-expression-p):
* lisp/progmodes/m4-mode.el (m4-font-lock-keywords):
* lisp/progmodes/meta-mode.el (meta-indent-level-count):
* lisp/progmodes/mixal-mode.el (mixal-font-lock-keywords):
* lisp/progmodes/opascal.el (opascal-find-unit-in-directory):
* lisp/progmodes/pascal.el (pascal-progbeg-re):
* lisp/progmodes/ruby-mode.el (ruby-expression-expansion-re)
(ruby-expr-beg, ruby-parse-partial)
(ruby-toggle-string-quotes, ruby-font-lock-keywords):
* lisp/progmodes/sql.el (sql--make-help-docstring):
* lisp/progmodes/verilog-mode.el (verilog-coverpoint-re)
(verilog-skip-forward-comment-p)
(verilog-read-sub-decls-gate)
(verilog-read-auto-template-middle):
* lisp/progmodes/vhdl-mode.el (vhdl-resolve-env-variable)
(vhdl-speedbar-expand-project, vhdl-speedbar-expand-entity)
(vhdl-speedbar-expand-architecture)
(vhdl-speedbar-expand-config, vhdl-speedbar-expand-package)
(vhdl-speedbar-dired):
* lisp/speedbar.el (speedbar-dired, speedbar-tag-file)
(speedbar-tag-expand):
* lisp/textmodes/dns-mode.el (dns-mode-font-lock-keywords):
* lisp/textmodes/flyspell.el (flyspell-debug-signal-word-checked):
* lisp/textmodes/ispell.el (ispell-process-line):
* lisp/textmodes/reftex-cite.el (reftex-end-of-bib-entry):
* lisp/textmodes/reftex-ref.el (reftex-replace-prefix-escapes):
* lisp/url/url-parse.el (url-generic-parse-url):
* lisp/url/url-util.el (url-truncate-url-for-viewing):
* lisp/vc/diff-mode.el (diff-unified->context):
* lisp/vc/vc-bzr.el (vc-bzr-error-regexp-alist):
* lisp/vc/vc-cvs.el (vc-cvs-parse-status):
* lisp/woman.el (woman0-el, woman-if-ignore)
(woman-change-fonts):
* lisp/xdg.el (xdg--substitute-home-env):
Fix regular-expression infelicities and typos.

Fix regular expression typos
Fix typos reported by Mattias Engdegård in:
that occurred in preloaded modules.
* lisp/frame.el (frame-set-background-mode):
* lisp/international/mule.el (sgml-html-meta-auto-coding-function):
* lisp/isearch.el (isearch-pre-command-hook):
* lisp/minibuffer.el (completion--embedded-envvar-re):

* lisp/generic-x.el (etc-passwd-generic-mode): Add comment.  (Bug#34225)

* lisp/vc/diff-mode.el (diff-syntax-fontify-hunk): Set overlay
property 'diff-mode to 'syntax.  (Bug#33567)
(diff-syntax-fontify-props): Reset buffer-file-name to nil.

group and shadow /etc files.  (Bug#34225)

2fcf2df Fix copyright years by hand
26bed8b Update copyright year to 2019
2814292 Fix value of default frame height.  (Bug#33921)

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

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.

* lisp/generic-x.el (show-tabs-tab-face, show-tabs-space-face):
* lisp/eshell/em-prompt.el (eshell-prompt-face):
* lisp/vc/smerge-mode.el (smerge-base-face, smerge-markers-face):
Remove face "-face" aliases, obsolete since 22.1.