Fix several backslash typos in Elisp strings

* lisp/calendar/todo-mode.el (todo-files, todo-rename-file)
(todo-find-filtered-items-file, todo-reset-nondiary-marker)
(todo-reset-done-string, todo-reset-comment-string)
(todo-reset-highlight-item):
* lisp/erc/erc-networks.el (erc-networks-alist):
* lisp/gnus/gnus-art.el (gnus-button-handle-library):
* lisp/gnus/gnus-group.el (gnus-read-ephemeral-gmane-group-url):
* lisp/gnus/nntp.el (nntp-via-shell-prompt)
(nntp-telnet-shell-prompt):
* lisp/gnus/spam-report.el (spam-report-gmane-regex):
* lisp/image-dired.el (image-dired-rotate-original):
(image-dired-get-exif-file-name):
* lisp/international/latin1-disp.el (latin1-display-ucs-per-lynx):
* lisp/mail/undigest.el (rmail-digest-parse-rfc1153strict):
* lisp/mh-e/mh-letter.el (mh-file-is-vcard-p):
* lisp/mh-e/mh-mime.el (mh-file-mime-type-substitutions):
* lisp/net/shr-color.el (shr-color->hexadecimal):
* lisp/org/org-bibtex.el (org-bibtex-fields):
* lisp/org/org-docview.el (org-docview-export):
* lisp/org/org-entities.el (org-entities):
* lisp/org/ox-icalendar.el (org-icalendar-cleanup-string):
* lisp/progmodes/cperl-mode.el (cperl-indent-exp):
* lisp/progmodes/ebnf2ps.el (ebnf-file-suffix-regexp)
(ebnf-style-database):
* lisp/progmodes/idlw-help.el (idlwave-do-context-help1):
* lisp/progmodes/ruby-mode.el (ruby-imenu-create-index-in-block):
* lisp/progmodes/sql.el (sql-product-alist):
* lisp/progmodes/verilog-mode.el (verilog-error-regexp-emacs-alist)
(verilog-error-font-lock-keywords)
(verilog-assignment-operator-re):
* lisp/progmodes/vhdl-mode.el (vhdl-compiler-alist):
* lisp/textmodes/reftex-parse.el (reftex-parse-from-file):
* lisp/vc/add-log.el (change-log-version-number-regexp-list):
Fix typo by replacing ‘\’ with ‘\\’ in a string literal.
For example, to get the regular expression ‘\.’ use the string
literal "\\.", not "\." (which is equivalent to ".").
* lisp/emulation/viper-util.el (viper-glob-unix-files):
Remove stray ‘\j’ from string.
* lisp/gnus/nntp.el (nntp-via-shell-prompt)
(nntp-telnet-shell-prompt):
Treat > like $ when matching a shell prompt.
* lisp/progmodes/make-mode.el (makefile-browse):
Properly quote a diagnostic.

1 files changed, 7 insertions, 7 deletions

diff --git a/lisp/calendar/todo-mode.el b/lisp/calendar/todo-mode.el
index a04bf8237d9..2949e3b79b0 100644
--- a/lisp/calendar/todo-mode.el
+++ b/lisp/calendar/todo-mode.el
@@ -74,7 +74,7 @@ truenames (those with the extension \".toda\")."
   (let ((files (if (file-exists-p todo-directory)
 		   (mapcar 'file-truename
 		    (directory-files todo-directory t
-				     (if archives "\.toda$" "\.todo$") t)))))
+				     (if archives "\\.toda$" "\\.todo$") t)))))
     (sort files (lambda (s1 s2) (let ((cis1 (upcase s1))
 				      (cis2 (upcase s2)))
 				  (string< cis1 cis2))))))
@@ -1112,7 +1112,7 @@ these files, also rename them accordingly."
 	 (snname (todo-short-file-name nname))
 	 (files (directory-files todo-directory t
 				 (concat ".*" (regexp-quote soname)
-					 ".*\.tod[aorty]$") t)))
+					 ".*\\.tod[aorty]$") t)))
     (dolist (f files)
       (let* ((sfname (todo-short-file-name f))
 	     (fext (file-name-extension f t))
@@ -3963,7 +3963,7 @@ regexp items."
 (defun todo-find-filtered-items-file ()
   "Choose a filtered items file and visit it."
   (interactive)
-  (let ((files (directory-files todo-directory t "\.tod[rty]$" t))
+  (let ((files (directory-files todo-directory t "\\.tod[rty]$" t))
 	falist file)
     (dolist (f files)
       (let ((type (cond ((equal (file-name-extension f) "todr") "regexp")
@@ -6022,7 +6022,7 @@ the empty string (i.e., no time string)."
   "The :set function for user option `todo-nondiary-marker'."
   (let* ((oldvalue (symbol-value symbol))
 	 (files (append todo-files todo-archives
-			(directory-files todo-directory t "\.tod[rty]$" t))))
+			(directory-files todo-directory t "\\.tod[rty]$" t))))
     (custom-set-default symbol value)
     ;; Need to reset these to get font-locking right.
     (setq todo-nondiary-start (nth 0 todo-nondiary-marker)
@@ -6075,7 +6075,7 @@ the empty string (i.e., no time string)."
   "The :set function for user option `todo-done-string'."
   (let ((oldvalue (symbol-value symbol))
 	(files (append todo-files todo-archives
-		       (directory-files todo-directory t "\.todr$" t))))
+		       (directory-files todo-directory t "\\.todr$" t))))
     (custom-set-default symbol value)
     ;; Need to reset this to get font-locking right.
     (setq todo-done-string-start
@@ -6104,7 +6104,7 @@ the empty string (i.e., no time string)."
   "The :set function for user option `todo-comment-string'."
   (let ((oldvalue (symbol-value symbol))
   	(files (append todo-files todo-archives
-		       (directory-files todo-directory t "\.todr$" t))))
+		       (directory-files todo-directory t "\\.todr$" t))))
     (custom-set-default symbol value)
     (when (not (equal value oldvalue))
       (dolist (f files)
@@ -6130,7 +6130,7 @@ the empty string (i.e., no time string)."
   "The :set function for user option `todo-highlight-item'."
   (let ((oldvalue (symbol-value symbol))
 	(files (append todo-files todo-archives
-		       (directory-files todo-directory t "\.tod[rty]$" t))))
+		       (directory-files todo-directory t "\\.tod[rty]$" t))))
     (custom-set-default symbol value)
     (when (not (equal value oldvalue))
       (dolist (f files)