This is less likely to cause problems on platforms that
use CRLF (or CR!) termination for lines.

Most of these fixes involve escaping grave accents that are
actually intended to be grave accents, not left quotes.
(Bug#20385)

This is as per "Tips for Documentation Strings" in the elisp manual.
For consistency, do the same in diagnostics and comments.

These were glitches regardless of how or whether we tackle the
problem of grave accent in doc strings.
* lisp/calc/calc-aent.el (math-restore-placeholders):
* lisp/ido.el (ido-ignore-buffers, ido-ignore-files):
* lisp/leim/quail/cyrillic.el ("bulgarian-alt-phonetic"):
* lisp/leim/quail/hebrew.el ("hebrew-new")
("hebrew-biblical-sil"):
* lisp/leim/quail/thai.el ("thai-kesmanee"):
* lisp/progmodes/idlw-shell.el (idlwave-shell-file-name-chars):
Used curved quotes to avoid ambiguities like ‘`''’ in doc strings.
* lisp/calendar/calendar.el (calendar-month-abbrev-array):
* lisp/cedet/semantic/mru-bookmark.el (semantic-mrub-cache-flush-fcn):
* lisp/cedet/semantic/symref.el (semantic-symref-tool-baseclass):
* lisp/cedet/semantic/tag.el (semantic-tag-copy)
(semantic-tag-components):
* lisp/cedet/srecode/cpp.el (srecode-semantic-handle-:cpp):
* lisp/cedet/srecode/texi.el (srecode-texi-texify-docstring):
* lisp/emacs-lisp/byte-opt.el (byte-optimize-all-constp):
* lisp/emacs-lisp/checkdoc.el (checkdoc-message-text-engine):
* lisp/emacs-lisp/generator.el (iter-next):
* lisp/gnus/gnus-art.el (gnus-treat-strip-list-identifiers)
(gnus-article-mode-syntax-table):
* lisp/net/rlogin.el (rlogin-directory-tracking-mode):
* lisp/net/soap-client.el (soap-wsdl-get):
* lisp/net/telnet.el (telnet-mode):
* lisp/org/org-compat.el (org-number-sequence):
* lisp/org/org.el (org-remove-highlights-with-change)
(org-structure-template-alist):
* lisp/org/ox-html.el (org-html-link-org-files-as-html):
* lisp/play/handwrite.el (handwrite-10pt, handwrite-11pt)
(handwrite-12pt, handwrite-13pt):
* lisp/progmodes/f90.el (f90-mode, f90-abbrev-start):
* lisp/progmodes/idlwave.el (idlwave-mode, idlwave-check-abbrev):
* lisp/progmodes/verilog-mode.el (verilog-tool)
(verilog-string-replace-matches, verilog-preprocess)
(verilog-auto-insert-lisp, verilog-auto-insert-last):
* lisp/textmodes/makeinfo.el (makeinfo-options):
* src/font.c (Ffont_spec):
Fix minor quoting problems in doc strings, e.g., missing quote,
``x'' where `x' was meant, etc.
* lisp/erc/erc-backend.el (erc-process-sentinel-2):
Fix minor quoting problem in other string.
* lisp/leim/quail/ethiopic.el ("ethiopic"):
* lisp/term/tvi970.el (tvi970-set-keypad-mode):
Omit unnecessary quotes.
* lisp/faces.el (set-face-attribute, set-face-underline)
(set-face-inverse-video, x-create-frame-with-faces):
* lisp/gnus/gnus-group.el (gnus-group-nnimap-edit-acl):
* lisp/mail/supercite.el (sc-attribs-%@-addresses)
(sc-attribs-!-addresses, sc-attribs-<>-addresses):
* lisp/net/tramp.el (tramp-methods):
* lisp/recentf.el (recentf-show-file-shortcuts-flag):
* lisp/textmodes/artist.el (artist-ellipse-right-char)
(artist-ellipse-left-char, artist-vaporize-fuzziness)
(artist-spray-chars, artist-mode, artist-replace-string)
(artist-put-pixel, artist-text-see-thru):
* lisp/vc/ediff-util.el (ediff-submit-report):
* lisp/vc/log-edit.el (log-edit-changelog-full-paragraphs):
Use double-quotes rather than TeX markup in doc strings.
* lisp/skeleton.el (skeleton-pair-insert-maybe):
Reword to avoid the need for grave accent and apostrophe.
* lisp/xt-mouse.el (xterm-mouse-tracking-enable-sequence):
Don't use grave and acute accents to quote.

* lisp/org/org-list.el (org-list-struct): Remove unused var `ind'.
(org-list-get-next-item, org-list-get-prev-item)
(org-list-get-children): Mark unused arg `struct'.
(org-list-use-alpha-bul-p): Remove unused var `bul'.
(org-toggle-checkbox): Mark unused var.
(org-update-checkbox-count): Remove unused var `box-num'.
(org-adapt-indentation): Declare.
(org-list-parse-list): Declare var instead of adding a dummy duplicate.
(org-list-send-list): Remove unused var `txt'.
(org-list-to-latex, org-list-to-texinfo): Mark unused arg `params'.
(org-list-to-subtree): Add prefix to dyn-bind var, and declare them.

* lisp/org/org-macs.el: Use `declare'.
(org-with-limited-levels): Declare dyn-bound vars.

Update admin/notes/unicode, along with coding system cookies in
other files, so that the two match each other better.
* admin/notes/unicode: lisp/language/ethio-util.el and
lisp/language/ethiopic.el also use utf-8-emacs.
* admin/notes/hydra, doc/misc/dbus.texi, doc/misc/org.texi:
* doc/misc/remember.texi, etc/refcards/cs-dired-ref.tex:
* etc/refcards/cs-refcard.tex, etc/refcards/cs-survival.tex:
* etc/refcards/sk-dired-ref.tex, etc/refcards/sk-refcard.tex:
* etc/refcards/sk-survival.tex:
Add "coding: utf-8" so that this file is not mishandled in a
Latin-1 or Big-5 locale.
* lisp/international/robin.el, lisp/org/ox-ascii.el:
Specify utf-8, not utf-8-emacs, as these are plain UTF-8 files.
* lisp/language/ethio-util.el: Fix trailer.

* lisp/vc/log-view.el (log-view-end-of-defun-1):
* lisp/textmodes/tex-mode.el (latex-forward-sexp-1):
* lisp/textmodes/reftex-ref.el (reftex-goto-label):
* lisp/textmodes/bibtex.el (bibtex-insert-kill):
* lisp/progmodes/sh-script.el (sh--maybe-here-document):
* lisp/progmodes/ruby-mode.el (ruby-end-of-defun):
* lisp/progmodes/ada-mode.el (ada-in-numeric-literal-p):
* lisp/org/org.el (org-insert-heading, org-sort-entries):
* lisp/org/org-mouse.el (org-mouse-end-headline)
(org-mouse-context-menu):
* lisp/org/org-clock.el (org-clock-cancel):
* lisp/man.el (Man-default-man-entry):
* lisp/mail/rmail.el (rmail-get-new-mail, rmail-insert-inbox-text)
(rmail-ensure-blank-line):
* lisp/mail/footnote.el (Footnote-delete-footnote):
* lisp/mail/emacsbug.el (report-emacs-bug):
* lisp/info.el (Info-follow-reference, Info-fontify-node):
* lisp/info-look.el (info-lookup-guess-custom-symbol):
* lisp/help-fns.el (help-fns--key-bindings):
* lisp/files.el (hack-local-variables):
* lisp/emulation/viper-ex.el (viper-get-ex-token, ex-cmd-complete)
(viper-get-ex-pat, ex-expand-filsyms, viper-get-ex-file)
(viper-complete-filename-or-exit):
* lisp/emulation/viper-cmd.el (viper-backward-indent):
* lisp/emacs-lisp/lisp-mode.el (calculate-lisp-indent):
* lisp/emacs-lisp/elint.el (elint-get-top-forms):
* lisp/cus-edit.el (custom-face-edit-value-create):
* lisp/calendar/todo-mode.el (todo-set-item-priority)
(todo-filter-items-1, todo-convert-legacy-files)
(todo-prefix-overlays): Add explicit second arg to looking-back.

command is actually sent to the shell.

This patch was implemented via the following shell commands:
find * -name ChangeLog |
sed 's,.*,git mv & &.1,
s, lisp/ChangeLog\.1$, lisp/ChangeLog.17,
s, lisp/erc/ChangeLog\.1$, lisp/erc/ChangeLog.09,
s, lisp/gnus/ChangeLog\.1$, lisp/gnus/ChangeLog.3,
s, lisp/mh-e/ChangeLog\.1$, lisp/mh-e/ChangeLog.2,
s, src/ChangeLog\.1$, src/ChangeLog.13,' |
sh
git commit -am"[this commit message]"

* htmlfontify.el (hfy-optimizations): Rename from hfy-optimisations,
with an obsolete alias.  All uses changed.