Require 'poe and 'poem.

diff --git a/mule-caesar.el b/mule-caesar.el
index d080cc4..4bc32ea 100644 (file)
--- a/mule-caesar.el
+++ b/mule-caesar.el
@@ -24,7 +24,10 @@
 
 ;;; Code:
 
-(require 'emu)
+(require 'emu)                         ; for backward compatibility.
+(require 'poe)                         ; char-after.
+(require 'poem)                                ; charset-chars, char-charset,
+                                       ; and split-char.
 
 (defun mule-caesar-region (start end &optional stride-ascii)
   "Caesar rotation of current region.