In strings, prefer plain and ' to \ and \'

* lisp/allout.el (allout-insert-listified):
* lisp/emacs-lisp/easy-mmode.el (define-globalized-minor-mode):
* lisp/ls-lisp.el (ls-lisp-UCA-like-collation)
(ls-lisp-string-lessp):
* lisp/menu-bar.el (menu-bar-open):
* lisp/obsolete/otodo-mode.el (todo-top-priorities):
* lisp/progmodes/compile.el (compile):
* lisp/progmodes/etags.el (tags-loop-scan):
* lisp/progmodes/make-mode.el (makefile-browser-insert-continuation):
* lisp/subr.el (posn-actual-col-row):
* lisp/term/pc-win.el (x-list-fonts):
* lisp/textmodes/texinfmt.el (texinfmt-version):
* lisp/textmodes/texnfo-upd.el (texinfo-master-menu):
* lisp/time.el (display-time-world-list):
* lisp/tmm.el (tmm-menubar):
* src/buffer.c (syms_of_buffer):
* src/fileio.c (syms_of_fileio):
Omit unnecessary and confusing backslash before quote.
* lisp/erc/erc.el (erc-cmd-LASTLOG):
* lisp/progmodes/flymake.el (flymake-fix-file-name):
* lisp/progmodes/vhdl-mode.el (vhdl-in-extended-identifier-p):
Fix string that was intended to escape a backslash and not a quote.

lisp/allout.el

@@ -5589,9 +5589,9 @@ Defaults:
 
 LISTIFIED is a list representing each topic header and body:
 
- \`(depth prefix text)'
+ `(depth prefix text)'
 
-or \`(depth prefix text bullet-plus)'
+or `(depth prefix text bullet-plus)'
 
 If `bullet-plus' is specified, it is inserted just after the entire prefix."
   (setq listified (cdr listified))

lisp/emacs-lisp/easy-mmode.el

@@ -411,7 +411,7 @@ otherwise, disable it.  If called from Lisp, enable the mode if
 ARG is omitted or nil.
 
 %s is enabled in all buffers where
-\`%s' would do it.
+`%s' would do it.
 See `%s' for more information on %s."
 		  pretty-name pretty-global-name
 		  pretty-name turn-on mode pretty-name)

lisp/erc/erc.el

@@ -1,4 +1,3 @@
-
 ;; erc.el --- An Emacs Internet Relay Chat client  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 1997-2015 Free Software Foundation, Inc.
@@ -3260,7 +3259,7 @@ The lines are shown in a buffer named `*Occur*'.
 It serves as a menu to find any of the occurrences in this buffer.
 \\[describe-mode] in that buffer will explain how.
 
-If LINE contains upper case characters (excluding those preceded by `\'),
+If LINE contains upper case characters (excluding those preceded by ‘\\’),
 the matching is case-sensitive."
   (occur line)
   t)

lisp/ls-lisp.el

@@ -144,7 +144,7 @@ value to get similar behavior.
 When this option is non-nil, and `ls-lisp-use-string-collate' is also
 non-nil, the collation order produced on MS-Windows will ignore
 punctuation and symbol characters, which will, for example, place
-\`.foo' near `foo'.  See the documentation of `string-collate-lessp'
+`.foo' near `foo'.  See the documentation of `string-collate-lessp'
 and `w32-collate-ignore-punctuation' for more details.
 
 This option is ignored on platforms other than MS-Windows; to
@@ -539,7 +539,7 @@ Responds to the window width as ls should but may not!"
   "Return t if string S1 should sort before string S2.
 Case is significant if `ls-lisp-ignore-case' is nil.
 Uses `string-collate-lessp' if `ls-lisp-use-string-collate' is non-nil,
-\`compare-strings' otherwise.
+`compare-strings' otherwise.
 On GNU/Linux systems, if the locale specifies UTF-8 as the codeset,
 the sorting order will place together file names that differ only
 by punctuation characters, like `.emacs' and `emacs'.  To have a

lisp/menu-bar.el

@@ -2283,7 +2283,7 @@ This function decides which method to use to access the menu
 depending on FRAME's terminal device.  On X displays, it calls
 `x-menu-bar-open'; on Windows, `w32-menu-bar-open'; otherwise it
 calls either `popup-menu' or `tmm-menubar' depending on whether
-\`tty-menu-open-use-tmm' is nil or not.
+`tty-menu-open-use-tmm' is nil or not.
 
 If FRAME is nil or not given, use the selected frame."
   (interactive)

lisp/obsolete/otodo-mode.el

@@ -734,7 +734,7 @@ If point is on an empty line, insert the entry there."
 Number of entries for each category is given by NOF-PRIORITIES which
 defaults to `todo-show-priorities'.
 
-If CATEGORY-PR-PAGE is non-nil, a page separator \'^L\' is inserted
+If CATEGORY-PR-PAGE is non-nil, a page separator '^L' is inserted
 between each category.
 INTERACTIVE should be non-nil if this function is called interactively."
 

lisp/progmodes/compile.el

@@ -255,7 +255,7 @@ of[ \t]+\"?\\([a-zA-Z]?:?[^\":\n]+\\)\"?:" 3 2 nil (1))
      ;; can be composed of any non-newline char, but it also rules out some
      ;; valid but unlikely cases, such as a trailing space or a space
      ;; followed by a -, or a colon followed by a space.
-     ;; 
+     ;;
      ;; The "in \\|from " exception was added to handle messages from Ruby.
      ,(rx
        bol
@@ -1461,9 +1461,9 @@ Additionally, with universal prefix arg, compilation buffer will be in
 comint mode, i.e. interactive.
 
 To run more than one compilation at once, start one then rename
-the \`*compilation*' buffer to some other name with
+the `*compilation*' buffer to some other name with
 \\[rename-buffer].  Then _switch buffers_ and start the new compilation.
-It will create a new \`*compilation*' buffer.
+It will create a new `*compilation*' buffer.
 
 On most systems, termination of the main compilation process
 kills its subprocesses.

lisp/progmodes/etags.el

@@ -1772,7 +1772,7 @@ if the file was newly read in, the value is the filename."
 	        "No \\[tags-search] or \\[tags-query-replace] in progress"))
   "Form for `tags-loop-continue' to eval to scan one file.
 If it returns non-nil, this file needs processing by evalling
-\`tags-loop-operate'.  Otherwise, move on to the next file.")
+`tags-loop-operate'.  Otherwise, move on to the next file.")
 
 (defun tags-loop-eval (form)
   "Evaluate FORM and return its result.

lisp/progmodes/flymake.el

@@ -287,7 +287,7 @@ Return its file name if found, or nil if not found."
             nil)))))
 
 (defun flymake-fix-file-name (name)
-  "Replace all occurrences of '\' with '/'."
+  "Replace all occurrences of ‘\\’ with ‘/’."
   (when name
     (setq name (expand-file-name name))
     (setq name (abbreviate-file-name name))

lisp/progmodes/make-mode.el

@@ -1455,7 +1455,7 @@ Fill comments, backslashed lines, and variable definitions specially."
 
 (defun makefile-browser-insert-continuation ()
   "Insert a makefile continuation.
-In the makefile buffer, go to (end-of-line), insert a \'\\\'
+In the makefile buffer, go to (end-of-line), insert a ‘\\’
 character, insert a new blank line, go to that line and indent by one TAB.
 This is most useful in the process of creating continued lines when copying
 large dependencies from the browser to the client buffer.

lisp/progmodes/vhdl-mode.el

@@ -5713,7 +5713,7 @@ the offset is simply returned."
        (t nil)))))
 
 (defun vhdl-in-extended-identifier-p ()
-  "Determine if point is inside extended identifier (delimited by '\')."
+  "Determine if point is inside extended identifier (delimited by ‘\\’)."
   (save-match-data
     (and (save-excursion (re-search-backward "\\\\" (vhdl-point 'bol) t))
 	 (save-excursion (re-search-forward "\\\\" (vhdl-point 'eol) t)))))

lisp/subr.el

@@ -1213,14 +1213,14 @@ and `event-end' functions."
   "Return the window row number in POSITION and character number in that row.
 
 Return nil if POSITION does not contain the actual position; in that case
-\`posn-col-row' can be used to get approximate values.
+`posn-col-row' can be used to get approximate values.
 POSITION should be a list of the form returned by the `event-start'
 and `event-end' functions.
 
 This function does not account for the width on display, like the
 number of visual columns taken by a TAB or image.  If you need
 the coordinates of POSITION in character units, you should use
-\`posn-col-row', not this function."
+`posn-col-row', not this function."
   (nth 6 position))
 
 (defsubst posn-timestamp (position)

lisp/term/pc-win.el

@@ -177,7 +177,7 @@ contain wildcard characters:
   PATTERN is case-insensitive.
 
 The return value is a list of strings, suitable as arguments to
-\`set-face-font'.
+`set-face-font'.
 
 Fonts Emacs can't use may or may not be excluded
 even if they match PATTERN and FACE.

lisp/textmodes/texinfmt.el

@@ -34,7 +34,7 @@
 If optional argument HERE is non-nil, insert info at point."
   (interactive "P")
   (let ((version-string
-         (format "Version of \`texinfmt.el\': %s" texinfmt-version)))
+         (format "Version of `texinfmt.el': %s" texinfmt-version)))
     (if here
         (insert version-string)
       (if (called-interactively-p 'interactive)

lisp/textmodes/texnfo-upd.el

@@ -893,7 +893,7 @@ first update all existing menus in the buffer (incorporating
 descriptions from pre-existing menus) before it constructs the
 master menu.  If the argument is numeric (e.g., \"C-u 2\"),
 update all existing nodes as well, by calling
-\`texinfo-update-node' on the entire file.  Warning: do NOT
+`texinfo-update-node' on the entire file.  Warning: do NOT
 invoke with a numeric argument if your Texinfo file uses @node
 lines without the `Next', `Previous', `Up' pointers, as the
 result could be an invalid Texinfo file!

lisp/time.el

@@ -176,7 +176,7 @@ LABEL is a string to display as the label of that TIMEZONE's time."
 Each element has the form (TIMEZONE LABEL).
 TIMEZONE should be in a format supported by your system.  See the
 documentation of `zoneinfo-style-world-list' and
-\`legacy-style-world-list' for two widely used formats.  LABEL is
+`legacy-style-world-list' for two widely used formats.  LABEL is
 a string to display as the label of that TIMEZONE's time."
   :group 'display-time
   :type '(repeat (list string string))

lisp/tmm.el

@@ -54,7 +54,7 @@ we make that menu bar item (the one at that position) the default choice.
 
 Note that \\[menu-bar-open] by default drops down TTY menus; if you want it
 to invoke `tmm-menubar' instead, customize the variable
-\`tty-menu-open-use-tmm' to a non-nil value."
+`tty-menu-open-use-tmm' to a non-nil value."
   (interactive)
   (run-hooks 'menu-bar-update-hook)
   ;; Obey menu-bar-final-items; put those items last.

src/buffer.c

@@ -5730,7 +5730,7 @@ The values of `right-to-left' and `left-to-right' override that.
 Any other value is treated as nil.
 
 This variable has no effect unless the buffer's value of
-\`bidi-display-reordering' is non-nil.  */);
+`bidi-display-reordering' is non-nil.  */);
 
  DEFVAR_PER_BUFFER ("truncate-lines", &BVAR (current_buffer, truncate_lines), Qnil,
 		     doc: /* Non-nil means do not display continuation lines.

src/fileio.c

@@ -5866,7 +5866,7 @@ syms_of_fileio (void)
 If it is nil, `default-file-name-coding-system' (which see) is used.
 
 On MS-Windows, the value of this variable is largely ignored if
-\`w32-unicode-filenames' (which see) is non-nil.  Emacs on Windows
+`w32-unicode-filenames' (which see) is non-nil.  Emacs on Windows
 behaves as if file names were encoded in `utf-8'.  */);
   Vfile_name_coding_system = Qnil;
 
@@ -5881,7 +5881,7 @@ instead use `file-name-coding-system' to get a constant encoding
 of file names regardless of the current language environment.
 
 On MS-Windows, the value of this variable is largely ignored if
-\`w32-unicode-filenames' (which see) is non-nil.  Emacs on Windows
+`w32-unicode-filenames' (which see) is non-nil.  Emacs on Windows
 behaves as if file names were encoded in `utf-8'.  */);
   Vdefault_file_name_coding_system = Qnil;