Fix ruby-electric-curlies.

* misc/ruby-electric.el (ruby-electric-curlies): Fix the bug where
  an open curly is always replaced with a hash sign.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Jan 22 22:58:03 2013  Akinori MUSHA  <knu@iDaemons.org>
+
+	* misc/ruby-electric.el (ruby-electric-curlies): Fix the bug where
+	  an open curly is always replaced with a hash sign.
+
 Mon Jan 21 15:41:33 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* tool/mkconfig.rb: BASERUBY is transient at core build.

misc/ruby-electric.el

@@ -175,13 +175,10 @@ strings. Note that you must have Font Lock enabled."
                  (insert "}"))))
             ((ruby-electric-string-at-point-p)
              (if (eq last-command-event ?{)
-                 (save-excursion
-                   (when (not (char-equal ?\# (preceding-char)))
-                       (kill-region (point) (1- (point)))
-                       (insert "#"))))
                  (save-excursion
                    (backward-char 1)
-               (when (char-equal ?\# (preceding-char))
+                   (or (char-equal ?\# (preceding-char))
+                       (insert "#"))
                    (forward-char 1)
                    (insert "}")))))))