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21.4 ·Ñ¾µ¤È¥­¡¼¥Þ¥Ã¥×

¥­¡¼¥Þ¥Ã¥×¤Ç¤Ï¡¢¿Æ¥­¡¼¥Þ¥Ã¥×¡Êparent keymap¡Ë¤È¸Æ¤ÖÊ̤Υ­¡¼¥Þ¥Ã¥×¤Î ¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤ò·Ñ¾µ¤Ç¤­¤Þ¤¹¡£ ¤½¤Î¤è¤¦¤Ê¥­¡¼¥Þ¥Ã¥×¤Ï¤Ä¤®¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£

(keymap bindings… . parent-keymap)

¤³¤Î¥­¡¼¥Þ¥Ã¥×¤Ï¡¢¥­¡¼¤òõº÷¤¹¤ë»þÅÀ¤Ë¤ª¤¤¤Æ parent-keymap¤¬Í­¤¹¤ë¤¹¤Ù¤Æ¤Î¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤ò·Ñ¾µ¤·¤Þ¤¹¤¬¡¢ ¤½¤ì¤é¤Ë¤Ïbindings¤¬Äɲ䵤줿¤êÍ¥À褷¤Þ¤¹¡£

define-key¤ä¾¤Î¥­¡¼¥Ð¥¤¥ó¥Ç¥£¥ó¥°´Ø¿ô¤Çparent-keymap¤Î ¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤òÊѹ¹¤¹¤ë¤È¡¢¤½¤ì¤é¤ÎÊѹ¹¤Ï¡¢ bindings¤Ç±£¤µ¤ì¤Ê¤¤¸Â¤ê·Ñ¾µÂ¦¤Î¥­¡¼¥Þ¥Ã¥×¤«¤é¤â¸«¤¨¤Þ¤¹¡£ ¤½¤ÎµÕ¤Ï¿¿¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£ define-key¤Ç·Ñ¾µÂ¦¤Î¥­¡¼¥Þ¥Ã¥×¤ò½¤Àµ¤¹¤ë¤È¡¢ ¤½¤ì¤Ïbindings¤Ë±Æ¶Á¤¹¤ë¤À¤±¤Çparent-keymap¤Ë¤Ï±Æ¶Á¤·¤Þ¤»¤ó¡£

¿Æ¥­¡¼¥Þ¥Ã¥×¤òÍѤ¤¤¿¥­¡¼¥Þ¥Ã¥×¤òºîÀ®¤¹¤ëÀµ¤·¤¤ÊýË¡¤Ï¡¢ set-keymap-parent¤ò»È¤¦¤³¤È¤Ç¤¹¡£ ¿Æ¥­¡¼¥Þ¥Ã¥×¤òÍѤ¤¤¿¥­¡¼¥Þ¥Ã¥×¤òľÀܺîÀ®¤¹¤ë¤è¤¦¤Ê¥³¡¼¥É¤¬¤¢¤ë¾ì¹ç¤Ë¤Ï¡¢ set-keymap-parent¤òÍѤ¤¤ë¤è¤¦¤Ë¥×¥í¥°¥é¥à¤òÊѹ¹¤·¤Æ¤¯¤À¤µ¤¤¡£

Function: keymap-parent keymap

¤³¤Î´Ø¿ô¤Ï¡¢¥­¡¼¥Þ¥Ã¥×keymap¤Î¿Æ¥­¡¼¥Þ¥Ã¥×¤òÊÖ¤¹¡£ keymap¤Ë¿Æ¤¬¤Ê¤±¤ì¤Ðkeymap-parent¤Ïnil¤òÊÖ¤¹¡£

Function: set-keymap-parent keymap parent

¥­¡¼¥Þ¥Ã¥×keymap¤Î¿Æ¥­¡¼¥Þ¥Ã¥×¤È¤·¤Æparent¤òÀßÄꤷ¡¢ parent¤òÊÖ¤¹¡£ parent¤¬nil¤Ç¤¢¤ë¤È¡¢ ¤³¤Î´Ø¿ô¤Ïkeymap¤Ë¿Æ¥­¡¼¥Þ¥Ã¥×¤ò¤¤¤Ã¤µ¤¤Í¿¤¨¤Ê¤¤¡£

keymap¤Ë¡Ê¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼ÍѤΥХ¤¥ó¥Ç¥£¥ó¥°¤Ç¤¢¤ë¡Ë ¥µ¥Ö¥Þ¥Ã¥×¤¬¤¢¤ì¤Ð¡¢¤½¤ì¤é¤âparent¤¬»ØÄꤹ¤ë¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤ò È¿±Ç¤¹¤ë¿·¤¿¤Ê¿Æ¥Þ¥Ã¥×¤ò¼õ¤±¼è¤ë¡£

text-mode-map¤«¤é¥­¡¼¥Þ¥Ã¥×¤ò·Ñ¾µ¤¹¤ëÊýË¡¤ò¼¨¤·¤Þ¤¹¡£

(let ((map (make-sparse-keymap)))
  (set-keymap-parent map text-mode-map)
  map)