30.4 ¥Þ¡¼¥«¤Î¾ðÊó

ËÜÀá¤Ç¤Ï¡¢¥Þ¡¼¥«¥ª¥Ö¥¸¥§¥¯¥È¤Î¹½À®Í×ÁǤò»²¾È¤¹¤ë´Ø¿ô¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤Þ¤¹¡£

Function: marker-position marker

¤³¤Î´Ø¿ô¤Ï¡¢marker¤¬»Ø¤¹°ÌÃÖ¤òÊÖ¤¹¡£ ¤¢¤ë¤¤¤Ï¡¢marker¤¬¤É¤³¤â»Ø¤·¤Æ¤¤¤Ê¤±¤ì¤Ðnil¤òÊÖ¤¹¡£

Function: marker-buffer marker

¤³¤Î´Ø¿ô¤Ï¡¢marker¤¬»Ø¤¹¥Ð¥Ã¥Õ¥¡¤òÊÖ¤¹¡£ ¤¢¤ë¤¤¤Ï¡¢marker¤¬¤É¤³¤â»Ø¤·¤Æ¤¤¤Ê¤±¤ì¤Ðnil¤òÊÖ¤¹¡£

(setq m (make-marker))
     ⇒ #<marker in no buffer>

(marker-position m)
     ⇒ nil

(marker-buffer m)
     ⇒ nil

(set-marker m 3770 (current-buffer))
     ⇒ #<marker at 3770 in markers.texi>

(marker-buffer m)
     ⇒ #<buffer markers.texi>

(marker-position m)
     ⇒ 3770