* textmodes/tex-mode.el (tex-dvi-view-command)

(tex-show-queue-command, tex-open-quote):
* progmodes/ruby-mode.el (auto-mode-alist)
(interpreter-mode-alist): Purecopy strings.

* emacs-lisp/lisp-mode.el (emacs-lisp-mode-map): Purecopy item names.

* emacs-lisp/derived.el (define-derived-mode): Purecopy the doc
string for the hook, keymap and abbrev table.

* emacs-lisp/byte-run.el (make-obsolete): Purecopy the current name.

* x-dnd.el (x-dnd-xdnd-to-action):
* startup.el (fancy-startup-text, fancy-about-text): Change to
defconst from defvar.

* ps-print.el (ps-page-dimensions-database): Purecopy initial value.

* mouse.el (mouse-buffer-menu-mode-groups, x-fixed-font-alist):
Purecopy initialization strings.

* mail/sendmail.el (mail-header-separator)
(mail-personal-alias-file):
* mail/rmail.el (rmail-default-dont-reply-to-names)
(rmail-ignored-headers, rmail-retry-ignored-headers)
(rmail-highlighted-headers, rmail-secondary-file-directory)
(rmail-secondary-file-regexp):
* files.el (null-device, file-name-invalid-regexp)
(locate-dominating-stop-dir-regexp)
(inhibit-first-line-modes-regexps): Purecopy initialization
strings.
(interpreter-mode-alist): Use mapcar instead of mapc.

* buff-menu.el (Buffer-menu-mode-map): Purecopy name.

* bindings.el (mode-line-major-mode-keymap): Purecopy name.
(completion-ignored-extensions):
(debug-ignored-errors): Purecopy strings.

1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index 4807d64f053..4638778f798 100644
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -1419,11 +1419,11 @@ The variable `ruby-indent-level' controls the amount of indentation.
 ;;; Invoke ruby-mode when appropriate
 
 ;;;###autoload
-(add-to-list 'auto-mode-alist '("\\.rb\\'" . ruby-mode))
+(add-to-list 'auto-mode-alist (cons (purecopy "\\.rb\\'") 'ruby-mode))
 
 ;;;###autoload
 (dolist (name (list "ruby" "rbx" "jruby" "ruby1.9" "ruby1.8"))
-  (add-to-list 'interpreter-mode-alist (cons name 'ruby-mode)))
+  (add-to-list 'interpreter-mode-alist (cons (purecopy name) 'ruby-mode)))
 
 (provide 'ruby-mode)