Merge changes from emacs-23 branch.

lisp/emacs-lisp/regexp-opt.el

@@ -141,11 +141,10 @@ This means the number of non-shy regexp grouping constructs
   (require 'cl))
 
 (defun regexp-opt-group (strings &optional paren lax)
-  ;; Return a regexp to match a string in the sorted list STRINGS.
-  ;; If PAREN non-nil, output regexp parentheses around returned regexp.
-  ;; If LAX non-nil, don't output parentheses if it doesn't require them.
-  ;; Merges keywords to avoid backtracking in Emacs' regexp matcher.
-
+  "Return a regexp to match a string in the sorted list STRINGS.
+If PAREN non-nil, output regexp parentheses around returned regexp.
+If LAX non-nil, don't output parentheses if it doesn't require them.
+Merges keywords to avoid backtracking in Emacs' regexp matcher."
   ;; The basic idea is to find the shortest common prefix or suffix, remove it
   ;; and recurse.  If there is no prefix, we divide the list into two so that
   ;; \(at least) one half will have at least a one-character common prefix.
@@ -239,9 +238,7 @@ This means the number of non-shy regexp grouping constructs
 
 
 (defun regexp-opt-charset (chars)
-  ;;
-  ;; Return a regexp to match a character in CHARS.
-  ;;
+  "Return a regexp to match a character in CHARS."
   ;; The basic idea is to find character ranges.  Also we take care in the
   ;; position of character set meta characters in the character set regexp.
   ;;

lisp/emacs-lisp/unsafep.el

@@ -101,15 +101,13 @@ in the parse.")
 (dolist (x '(;;Special forms
 	     and catch if or prog1 prog2 progn while unwind-protect
 	     ;;Safe subrs that have some side-effects
-	     ding error message minibuffer-message random read-minibuffer
-	     signal sleep-for string-match throw y-or-n-p yes-or-no-p
+	     ding error random signal sleep-for string-match throw
 	     ;;Defsubst functions from subr.el
 	     caar cadr cdar cddr
 	     ;;Macros from subr.el
-	     save-match-data unless when with-temp-message
+	     save-match-data unless when
 	     ;;Functions from subr.el that have side effects
-	     read-passwd split-string replace-regexp-in-string
-	     play-sound-file))
+	     split-string replace-regexp-in-string play-sound-file))
   (put x 'safe-function t))
 
 ;;;###autoload