* progmodes/grep.el (grep-regexp-alist):

* progmodes/grep.el (grep-regexp-alist):
* international/mule-cmds.el (iso-2022-control-alist):
* emacs-lisp/timer.el (timer-duration-words):
* subr.el (version-separator, version-regexp-alist):
* minibuffer.el (completion-styles-alist):
* faces.el (face-attribute-name-alist, list-faces-sample-text):
Change defvars to defconsts.