Update runtime files.
diff --git a/runtime/tutor/tutor.ja.euc b/runtime/tutor/tutor.ja.euc
index 5134393..2734ee8 100644
--- a/runtime/tutor/tutor.ja.euc
+++ b/runtime/tutor/tutor.ja.euc
@@ -117,7 +117,7 @@
 		     ¥ì¥Ã¥¹¥ó 1.5: ¥Æ¥­¥¹¥ÈÊÔ½¸ - ÄɲÃ
 
 
-		 ** ¥Æ¥­¥¹¥ÈÄɲ乤ë¤Ë¤Ï A ¤ò²¡¤·¤Þ¤·¤ç¤¦ **
+		 ** ¥Æ¥­¥¹¥È¤òÄɲ乤ë¤Ë¤Ï A ¤ò²¡¤·¤Þ¤·¤ç¤¦ **
 
   1. °Ê²¼¤Î ---> ¤È¼¨¤µ¤ì¤¿ºÇ½é¤Î¹Ô¤Ë¥«¡¼¥½¥ë¤ò°Üư¤·¤Þ¤·¤ç¤¦¡£
      ¥«¡¼¥½¥ë¤¬¤½¤Îʸ»ú¾å¤Ë¤¢¤Ã¤Æ¤â¤«¤Þ¤¤¤Þ¤»¤ó¡£
@@ -232,7 +232,7 @@
 		     ¥ì¥Ã¥¹¥ó 2.3: ¥ª¥Ú¥ì¡¼¥¿¤È¥â¡¼¥·¥ç¥ó
 
 
-  ¿¤¯¤Î¥³¥Þ¥ó¥É¤Ï¥ª¥Ú¥ì¡¼¥¿¤È¥â¡¼¥·¥ç¥ó¤«¤é¥Æ¥­¥¹¥È¤ËÊѹ¹¤ò²Ã¤Þ¤¹¡£
+  ¿¤¯¤Î¥³¥Þ¥ó¥É¤Ï¥ª¥Ú¥ì¡¼¥¿¤È¥â¡¼¥·¥ç¥ó¤«¤é¥Æ¥­¥¹¥È¤ËÊѹ¹¤ò²Ã¤¨¤Þ¤¹¡£
   ºï½ü¥³¥Þ¥ó¥É d ¤Î¥ª¥Ú¥ì¡¼¥¿¤Ï¼¡¤ÎÍͤˤʤäƤ¤¤Þ¤¹:
 
   	d   ¥â¡¼¥·¥ç¥ó
@@ -259,7 +259,7 @@
 
   1. °Ê²¼¤Î ---> ¤È¼¨¤µ¤ì¤¿¹Ô¤ÎÀèÆ¬¤Ë¥«¡¼¥½¥ë¤ò°Üư¤·¤Þ¤¹¡£
 
-  2. 2dw ¤ò¥¿¥¤¥×¤·¤ÆÃ±¸ì2¤Äʬ°Üư¤·¤Þ¤¹¡£
+  2. 2dw ¤ò¥¿¥¤¥×¤·¤ÆÃ±¸ì2¤Äʬºï½ü¤·¤Þ¤¹¡£
 
   3. 3e ¤ò¥¿¥¤¥×¤·¤Æ3¤ÄÌܤÎñ¸ì¤Î½ªÃ¼¤Ë°Üư¤·¤Þ¤¹¡£
 
@@ -326,8 +326,8 @@
 
   ** ºÇ¸å¤Î¥³¥Þ¥ó¥É¤ò¼è¤ê¾Ã¤¹¤Ë¤Ï u ¤ò²¡¤·¤Þ¤¹¡£U ¤Ï¹ÔÁ´ÂΤμè¾Ã¤Ç¤¹¡£ **
 
-  1. °Ê²¼¤Î ---> ¤È¼¨¤µ¤ì¤¿¹Ô¤Ë¥«¡¼¥½¥ë¤ò°Üư¤·¡¢ºÇ½é¤Î´Ö°ã¤¤¤Ë¥«¡¼¥½
-     ¥ë¤ò°Üư¤·¤Þ¤·¤ç¤¦¡£
+  1. °Ê²¼¤Î ---> ¤È¼¨¤µ¤ì¤¿¹Ô¤Ë¥«¡¼¥½¥ë¤ò°Üư¤·¡¢ºÇ½é¤Î´Ö°ã¤¤¤Ë¥«¡¼¥½¥ë
+     ¤ò°Üư¤·¤Þ¤·¤ç¤¦¡£
   2. x ¤ò¥¿¥¤¥×¤·¤Æ¤¤¤é¤Ê¤¤ÀèÆ¬¤Îʸ»ú¤òºï½ü¤·¤Þ¤·¤ç¤¦¡£
   3. ¤µ¤¡¡¢u ¤ò¥¿¥¤¥×¤·¤ÆºÇ¸å¤Ë¼Â¹Ô¤·¤¿¥³¥Þ¥ó¥É¤ò¼è¤ê¾Ã¤·¤Þ¤·¤ç¤¦¡£
   4. º£Å٤ϡ¢x ¤ò»ÈÍѤ·¤Æ¸í¤ê¤òÁ´¤Æ½¤Àµ¤·¤Þ¤·¤ç¤¦¡£