defadvice elscreen-jump to avoid error of last-command-char

init.el.d/50elscreen.el

@@ -41,6 +41,13 @@
   ;; C-z C-z で直前のスクリーンに移動する。
   (define-key elscreen-map "\C-z" 'elscreen-toggle)
 
+  ;; elscreen: From Emacs 24.3: Symbol's value as variable is void: last-command-char
+  ;; http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=705436
+  ;; のパッチから GNU Emacs 用の対処方法を取り出して advice に変更。
+  (defadvice elscreen-jump (around elscreen-last-command-char-event activate)
+    (let ((last-command-char last-command-event))
+      ad-do-it))
+
   (add-to-list
    'elscreen-mode-to-nickname-alist
    '("^riece-" . "Riece"))