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.

2 files changed, 14 insertions, 14 deletions

diff --git a/lisp/mh-e/mh-letter.el b/lisp/mh-e/mh-letter.el
index 62e9b4a357d..de2b2cf7fd9 100644
--- a/lisp/mh-e/mh-letter.el
+++ b/lisp/mh-e/mh-letter.el
@@ -932,7 +932,7 @@ Any match found replaces the text from BEGIN to END."
     (and (stringp file)
          (file-exists-p file)
          (or (and (not (mh-have-file-command))
-                  (not (null (string-match "\.vcf$" file))))
+                  (not (null (string-match "\\.vcf$" file))))
              (string-equal "text/x-vcard" (mh-file-mime-type file))))))
 
 ;;;###mh-autoload
diff --git a/lisp/mh-e/mh-mime.el b/lisp/mh-e/mh-mime.el
index 60b796b1fdb..b69f956d5c2 100644
--- a/lisp/mh-e/mh-mime.el
+++ b/lisp/mh-e/mh-mime.el
@@ -1756,21 +1756,21 @@ Returns nil if file command not on system."
           (kill-buffer tmp-buffer)))))))
 
 (defvar mh-file-mime-type-substitutions
-  '(("application/msword" "\.xls" "application/ms-excel")
-    ("application/msword" "\.ppt" "application/ms-powerpoint")
-    ("text/plain" "\.vcf" "text/x-vcard")
-    ("text/rtf" "\.rtf" "application/rtf")
-    ("application/x-zip" "\.sxc" "application/vnd.sun.xml.calc")
-    ("application/x-zip" "\.sxd" "application/vnd.sun.xml.draw")
-    ("application/x-zip" "\.sxi" "application/vnd.sun.xml.impress")
-    ("application/x-zip" "\.sxw" "application/vnd.sun.xml.writer")
-    ("application/x-zip" "\.odg" "application/vnd.oasis.opendocument.graphics")
-    ("application/x-zip" "\.odi" "application/vnd.oasis.opendocument.image")
-    ("application/x-zip" "\.odp"
+  '(("application/msword" "\\.xls" "application/ms-excel")
+    ("application/msword" "\\.ppt" "application/ms-powerpoint")
+    ("text/plain" "\\.vcf" "text/x-vcard")
+    ("text/rtf" "\\.rtf" "application/rtf")
+    ("application/x-zip" "\\.sxc" "application/vnd.sun.xml.calc")
+    ("application/x-zip" "\\.sxd" "application/vnd.sun.xml.draw")
+    ("application/x-zip" "\\.sxi" "application/vnd.sun.xml.impress")
+    ("application/x-zip" "\\.sxw" "application/vnd.sun.xml.writer")
+    ("application/x-zip" "\\.odg" "application/vnd.oasis.opendocument.graphics")
+    ("application/x-zip" "\\.odi" "application/vnd.oasis.opendocument.image")
+    ("application/x-zip" "\\.odp"
      "application/vnd.oasis.opendocument.presentation")
-    ("application/x-zip" "\.ods"
+    ("application/x-zip" "\\.ods"
      "application/vnd.oasis.opendocument.spreadsheet")
-    ("application/x-zip" "\.odt" "application/vnd.oasis.opendocument.text"))
+    ("application/x-zip" "\\.odt" "application/vnd.oasis.opendocument.text"))
   "Substitutions to make for Content-Type returned from file command.
 The first element is the Content-Type returned by the file command.
 The second element is a regexp matching the file name, usually the