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32.4 ʸ»ú¥³¡¼¥É

¥æ¥Ë¥Ð¥¤¥È¤È¥Þ¥ë¥Á¥Ð¥¤¥È¤Î¥Æ¥­¥¹¥Èɽ¸½¤Ç¤Ï¡¢ °Û¤Ê¤ëʸ»ú¥³¡¼¥É¤ò»È¤Ã¤Æ¤¤¤Þ¤¹¡£ ¥æ¥Ë¥Ð¥¤¥Èɽ¸½¤Ë¤ª¤¤¤ÆÀµ¤·¤¤Ê¸»ú¥³¡¼¥É¤Ï0¤«¤é255¤ÎÈϰϤǤ¢¤ê¡¢ ¤³¤ì¤é¤ÎÃͤÏ1¥Ð¥¤¥È¤Ë¼ý¤Þ¤ê¤Þ¤¹¡£ ¥Þ¥ë¥Á¥Ð¥¤¥Èɽ¸½¤Ë¤ª¤¤¤ÆÀµ¤·¤¤Ê¸»ú¥³¡¼¥É¤Ï0¤«¤é524287¤ÎÈϰϤǤ¹¤¬¡¢ ¤³¤ÎÈϰϤΤ¹¤Ù¤Æ¤ÎÃͤ¬Àµ¤·¤¤¤È¤Ï¸Â¤ê¤Þ¤»¤ó¡£ ÆÃ¤Ë¡¢ÃÍ128¤«¤é255¤Ï ¡Ê¡ØÀ¸¤Î¥Ð¥¤¥È¡Ù¤Ë¤Ï¤¢¤ê¤¦¤ë¡£see Explicit Encoding¡Ë¡¢ ¥Þ¥ë¥Á¥Ð¥¤¥È¥Æ¥­¥¹¥È¤Ç¤ÏÀµ¤·¤¯¤¢¤ê¤Þ¤»¤ó¡£ 0¤«¤é127¤ÎASCII¥³¡¼¥É¤Î¤ß¤¬¡¢¤É¤Á¤é¤Îɽ¸½¤Ç¤â´°Á´¤ËÀµ¤·¤¤¤Î¤Ç¤¹¡£

Function: char-valid-p charcode

¤³¤Î´Ø¿ô¤Ï¡¢charcode¤¬2¤Ä¤Î¥Æ¥­¥¹¥Èɽ¸½¤Î¤É¤Á¤é¤«°ìÊý¤Ç Àµ¤·¤±¤ì¤Ðt¤òÊÖ¤¹¡£

(char-valid-p 65)
     ⇒ t
(char-valid-p 256)
     ⇒ nil
(char-valid-p 2248)
     ⇒ t