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23.5 ¥Ø¥ë¥×µ¡Ç½

Emacs¤Ë¤Ï¤µ¤Þ¤¶¤Þ¥ª¥ó¥é¥¤¥ó¥Ø¥ë¥×´Ø¿ô¤¬¤¢¤ê¡¢ ¤½¤ì¤é¤Ï¤¹¤Ù¤Æ¥×¥ì¥Õ¥£¥Ã¥¯¥¹C-h¤Î¥µ¥Ö¥³¥Þ¥ó¥É¤È¤·¤Æ»È¤¨¤Þ¤¹¡£ ¤½¤ì¤é¤Ë¤Ä¤¤¤Æ¾Ü¤·¤¯¤Ï¡¢ ¥Ø¥ë¥×µ¡Ç½ in GNU Emacs ¥Þ¥Ë¥å¥¢¥ë¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ ¤³¤³¤Ç¤Ï¡¢Æ±¤¸¾ðÊó¤òÆÀ¤ë¥×¥í¥°¥é¥à¥ì¥Ù¥ë¤Î¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤òÀâÌÀ¤·¤Þ¤¹¡£

¥³¥Þ¥ó¥É: apropos regexp &optional do-all

¤³¤Î´Ø¿ô¤Ï¡¢Àµµ¬É½¸½regexp¤Ë°ìÃפ¹¤ë̾Á°¤ò»ý¤Ä¤¹¤Ù¤Æ¤Î¥·¥ó¥Ü¥ë¤òõ¤·¡¢ ¤½¤ì¤é¤Î¥ê¥¹¥È¤òÊÖ¤¹¡Êsee Regular Expressions¡Ë¡£ ¤µ¤é¤Ë¡¢¥Ð¥Ã¥Õ¥¡‘*Help*’¤Ë¡¢³Æ¥·¥ó¥Ü¥ë¤Ë¤Ä¤¤¤Æ¡¢ ¥·¥ó¥Ü¥ë¤È¤½¤ÎÀâÌÀʸ»úÎó¤Î»Ï¤á¤ÎÉôʬ¤«¤é¼è¤ê½Ð¤·¤¿1¹Ô¤ÎÀâÌÀʸ¤òɽ¼¨¤¹¤ë¡£

do-all¤¬nil°Ê³°¤Ç¤¢¤ë¤È¡¢ apropos¤Ï¡¢¤ß¤Ä¤±¤¿´Ø¿ô¤ËÂФ¹¤ë¥­¡¼¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤âɽ¼¨¤¹¤ë¡£ ¤µ¤é¤Ë¡¢´Ø¿ô¤äÊÑ¿ô°Ê³°¤â´Þ¤á¤Æ¤¹¤Ù¤Æ¤Î¥·¥ó¥Ü¥ë¤òɽ¼¨¤¹¤ë¡£

¤Ä¤®¤ÎÎã¤Ç¤Ï¡¢apropos¤Ï¡¢ ‘exec’¤ò̾Á°¤Ë´Þ¤à¤¹¤Ù¤Æ¤Î¥·¥ó¥Ü¥ë¤òõ¤·¤À¤¹¡£ ¡Ê¤³¤³¤Ç¤Ï¥Ð¥Ã¥Õ¥¡‘*Help*’¤Îɽ¼¨¤Ï¼¨¤µ¤Ê¤¤¡£¡Ë

(apropos "exec")
     ⇒ (Buffer-menu-execute command-execute exec-directory
    exec-path execute-extended-command execute-kbd-macro
    executing-kbd-macro executing-macro)
Variable: help-map

¤³¤ÎÊÑ¿ô¤ÎÃͤϡ¢¥Ø¥ë¥×¥­¡¼C-h¤Ë³¤¯Ê¸»ú¸þ¤±¤Î¥í¡¼¥«¥ë¥­¡¼¥Þ¥Ã¥×¤Ç¤¢¤ë¡£

¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥³¥Þ¥ó¥É: help-command

¤³¤Î¥·¥ó¥Ü¥ë¤Ï´Ø¿ô¤Ç¤Ï¤Ê¤¤¡£ ¤½¤Î´Ø¿ôÄêµÁ¥»¥ë¤Ï¡¢help-map¤È¤·¤ÆÃΤé¤ì¤ë¥­¡¼¥Þ¥Ã¥×¤òÊÝ»ý¤·¤Æ¤¤¤ë¡£ help.el¤Ç¤ÎÄêµÁ¤Ï¤Ä¤®¤Î¤È¤ª¤ê¤Ç¤¢¤ë¡£

(define-key global-map "\C-h" 'help-command)
(fset 'help-command help-map)
Function: print-help-return-message &optional function

¤³¤Î´Ø¿ô¤Ï¡¢¥Ø¥ë¥×¥³¥Þ¥ó¥É¤Î¤¢¤È¤Ç¤½¤ì°ÊÁ°¤Î¥¦¥£¥ó¥É¥¦¤Î¾õÂÖ¤ËÉü¸µ¤¹¤ë ÊýË¡¤ò½Ò¤Ù¤¿Ê¸»úÎó¤òºîÀ®¤¹¤ë¡£ ¥á¥Ã¥»¡¼¥¸¤òºîÀ®¸å¡¢function¤¬nil°Ê³°¤Ç¤¢¤ì¤Ð¡¢ ¥á¥Ã¥»¡¼¥¸¤òfunction¤ËŬÍѤ¹¤ë¡£ ¤µ¤â¤Ê¤±¤ì¤Ð¡¢¥á¥Ã¥»¡¼¥¸¤ò¥¨¥³¡¼Îΰè¤Ëɽ¼¨¤¹¤ë¤¿¤á¤Ëmessage¤ò¸Æ¤Ó½Ð¤¹¡£

¤³¤Î´Ø¿ô¤Ï¡¢¥¹¥Ú¥·¥ã¥ë¥Õ¥©¡¼¥àwith-output-to-temp-buffer¤Î Ãæ¤«¤é¸Æ¤Ó½Ð¤µ¤ì¡¢¤·¤«¤â¡¢ Åö³º¥¹¥Ú¥·¥ã¥ë¥Õ¥©¡¼¥à¤Çstandard-output¤ËÃͤ¬Â«Çû¤µ¤ì¤Æ¤¤¤ë¤â¤Î¤È ²¾Äꤹ¤ë¡£ »ÈÍÑÎã¤Ë¤Ä¤¤¤Æ¤Ï¡¢Accessing Documentation¤ÎŤ¤Îã¤ò»²¾È¡£

Variable: help-char

¤³¤ÎÊÑ¿ô¤ÎÃͤϥإë¥×ʸ»ú¡¢¤Ä¤Þ¤ê¡¢ Emacs¤¬¥Ø¥ë¥×¤ò°ÕÌ£¤¹¤ë¤Èǧ¼±¤¹¤ëʸ»ú¤Ç¤¢¤ë¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¤½¤ÎÃͤÏC-h¤òɽ¤¹8¤Ç¤¢¤ë¡£ help-form¤¬nil°Ê³°¤ÎLisp¼°¤Ç¤¢¤ë¤È¡¢ Emacs¤¬¤³¤Îʸ»ú¤òÆÉ¤ß¼è¤ë¤È¤½¤Î¼°¤òɾ²Á¤·¡¢ ¤½¤Î·ë²Ì¤¬Ê¸»úÎó¤Ç¤¢¤ì¤Ð·ë²Ì¤ò¥¦¥£¥ó¥É¥¦¤Ëɽ¼¨¤¹¤ë¡£

Ä̾help-form¤ÎÃͤÏnil¤Ç¤¢¤ë¡£ ¤½¤¦¤¹¤ë¤È¡¢¥Ø¥ë¥×ʸ»ú¤Ë¤Ï¥³¥Þ¥ó¥ÉÆþÎϤΥì¥Ù¥ë¤Ç¤ÏÆÃÊ̤ʰÕÌ£¤Ï¤Ê¤¯¡¢ ÉáÄ̤ΰÕÌ£¤Ç¤Î¥­¡¼Îó¤Î°ìÉô¤Ë¤Ê¤ë¡£ C-h¤Îɸ½à¤Î¥­¡¼¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤Ï¡¢ ¤¤¤¯¤Ä¤«¤ÎÈÆÍÑÌÜŪ¤Î¥Ø¥ë¥×µ¡Ç½¸þ¤±¤Î¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤Ç¤¢¤ë¡£

¥Ø¥ë¥×ʸ»ú¤Ï¡¢¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤Î¤¦¤·¤í¤Ç¤âÆÃÊ̤Ǥ¢¤ë¡£ ¥×¥ì¥Õ¥£¥Ã¥¯¥¹¤Î¥µ¥Ö¥³¥Þ¥ó¥É¤È¤·¤Æ¤Î¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤¬¤Ê¤¤¤È¡¢ ¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤Î¤¹¤Ù¤Æ¤Î¥µ¥Ö¥³¥Þ¥ó¥É¤Î°ìÍ÷¤òɽ¼¨¤¹¤ë describe-prefix-bindings¤ò¼Â¹Ô¤¹¤ë¡£

Variable: help-event-list

¤³¤ÎÊÑ¿ô¤ÎÃͤϡ¢Ê̤Ρإإë¥×ʸ»ú¡Ù¤È¤·¤ÆÆ°ºî¤¹¤ë¥¤¥Ù¥ó¥È·¿¤Î¥ê¥¹¥È¤Ç¤¢¤ë¡£ ¤³¤ì¤é¤Î¥¤¥Ù¥ó¥È¤Ïhelp-char¤Ç»ØÄꤵ¤ì¤¿¥¤¥Ù¥ó¥È¤È ¤Þ¤Ã¤¿¤¯Æ±Íͤ˰·¤ï¤ì¤ë¡£

Variable: help-form

¤³¤ÎÊÑ¿ô¤¬nil°Ê³°¤Ç¤¢¤ë¤È¡¢¤½¤ÎÃͤϡ¢ help-char¤òÆÉ¤à¤¿¤Ó¤Ëɾ²Á¤¹¤Ù¤­¥Õ¥©¡¼¥à¤Ç¤¢¤ë¡£ ¥Õ¥©¡¼¥à¤òɾ²Á¤¹¤ë¤Èʸ»úÎó¤òÀ¸À®¤¹¤ì¤Ð¡¢¤½¤Îʸ»úÎó¤¬É½¼¨¤µ¤ì¤ë¡£

read-event¤äread-char¤ò¸Æ¤Ö¥³¥Þ¥ó¥É¤Ï¡¢ ÆþÎÏÃæ¤Ë¤Ïhelp-form¤ònil°Ê³°¤Ë¡Ê¤¿¤Ö¤ó¡Ë«Çû¤¹¤Ù¤­¤Ç¤¢¤ë¡£ ¡ÊC-h¤ËÊ̤ΰÕÌ£¤¬¤¢¤ë¾ì¹ç¤Ë¤Ï¡¢¤³¤¦¤·¤Ê¤¤¤³¤È¡£¡Ë ¤³¤Î¼°¤Îɾ²Á·ë²Ì¤Ï¡¢¤Ê¤ó¤Î¤¿¤á¤ÎÆþÎϤǤɤΤ褦¤ËÆþÎϤ¹¤Ù¤­¤«¤ò ÀâÌÀ¤¹¤ëʸ»úÎó¤Ç¤¢¤ë¤³¤È¡£

¥ß¥Ë¥Ð¥Ã¥Õ¥¡¤ËÆþ¤ë¤È¡¢¤³¤ÎÊÑ¿ô¤Ïminibuffer-help-form ¡Êsee Minibuffer Misc¡Ë¤ÎÃͤË«Çû¤µ¤ì¤ë¡£

Variable: prefix-help-command

¤³¤ÎÊÑ¿ô¤Ï¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤ËÂФ¹¤ë¥Ø¥ë¥×¤òɽ¼¨¤¹¤ë´Ø¿ô¤òÊÝ»ý¤¹¤ë¡£ ¥æ¡¼¥¶¡¼¤¬¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤Ë³¤±¤Æ¥Ø¥ë¥×ʸ»ú¤ä Åö³º¥×¥ì¥Õ¥£¥Ã¥¯¥¹¤Î¤¢¤È¤Ç¤Ï¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤ò»ý¤¿¤Ê¤¤Ê¸»ú¤òÂÇ¤Ä¤È ¤½¤Î´Ø¿ô¤¬¸Æ¤Ð¤ì¤ë¡£ ¤³¤ÎÊÑ¿ô¤Î¥Ç¥Õ¥©¥ë¥ÈÃͤÏdescribe-prefix-bindings¤Ç¤¢¤ë¡£

Function: describe-prefix-bindings

¤³¤Î´Ø¿ô¤Ï¡¢¤â¤Ã¤È¤âºÇ¶á¤Î¥­¡¼Îó¤Î¥×¥ì¥Õ¥£¥Ã¥¯¥¹¥­¡¼¤Î ¤¹¤Ù¤Æ¤Î¥µ¥Ö¥³¥Þ¥ó¥É¤Î°ìÍ÷¤òɽ¼¨¤¹¤ë¤¿¤á¤Ëdescribe-bindings¤ò¸Æ¤Ó½Ð¤¹¡£ ¥×¥ì¥Õ¥£¥Ã¥¯¥¹¤ÎÀâÌÀ¤Ë¤Ï¡¢Åö³º¥­¡¼Îó¤ÎºÇ¸å¤Î¥¤¥Ù¥ó¥È°Ê³°¤Î¤¹¤Ù¤Æ¤¬´Þ¤Þ¤ì¤ë¡£ ¡ÊºÇ¸å¤Î¥¤¥Ù¥ó¥È¤Ï¥Ø¥ë¥×ʸ»ú¤Ç¤¢¤ë¤È²¾Äꤹ¤ë¡£¡Ë

¤Ä¤®¤Î2¤Ä¤Î´Ø¿ô¤Ï¡¢¡Ø¥¨¥ì¥¯¥È¥ê¥Ã¥¯¡Ù¥â¡¼¥É¤Î¤è¤¦¤Ë À©¸æ¤òÊü´þ¤»¤º¤Ë¥Ø¥ë¥×¤òÄ󶡤·¤¿¤¤¥â¡¼¥É¤Î¤¿¤á¤Ç¤¹¡£ ¤½¤ì¤é¤Î̾Á°¤Ï¡¢ÉáÄ̤Υإë¥×´Ø¿ô¤È¶èÊ̤¹¤ë¤¿¤á¤Ë‘Helper’¤Ç»Ï¤Þ¤ê¤Þ¤¹¡£

¥³¥Þ¥ó¥É: Helper-describe-bindings

¤³¤Î¥³¥Þ¥ó¥É¤Ï¡¢¥í¡¼¥«¥ë¥­¡¼¥Þ¥Ã¥×¤È¥°¥í¡¼¥Ð¥ë¥­¡¼¥Þ¥Ã¥×¤Îξ¼Ô¤Î ¤¹¤Ù¤Æ¤Î¥­¡¼¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤Î°ìÍ÷¤ò¼ý¤á¤¿¥Ø¥ë¥×¥Ð¥Ã¥Õ¥¡¤òɽ¼¨¤·¤¿ ¥¦¥£¥ó¥É¥¦¤ò¥Ý¥Ã¥×¥¢¥Ã¥×¤¹¤ë¡£ describe-bindings¤ò¸Æ¤Ó½Ð¤¹¤³¤È¤Çưºî¤¹¤ë¡£

¥³¥Þ¥ó¥É: Helper-help

¤³¤Î¥³¥Þ¥ó¥É¤Ï¥«¥ì¥ó¥È¥â¡¼¥É¤Ë¤Ä¤¤¤Æ¤Î¥Ø¥ë¥×¤òÄ󶡤¹¤ë¡£ ¥ß¥Ë¥Ð¥Ã¥Õ¥¡¤Ë¤ª¤¤¤Æ‘Help (Type ? for further options)’¤Î¥á¥Ã¥»¡¼¥¸¤Ç ¥æ¡¼¥¶¡¼¤ËÌ䤤¹ç¤ï¤»¡¢¥­¡¼¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤Î°ÕÌ£¤ä¥â¡¼¥É¤ÎÌÜŪ¤ò Ä´¤Ù¤ë¤³¤È¤òÊ亴¤¹¤ë¡£ nil¤òÊÖ¤¹¡£

¤³¤Î¥³¥Þ¥ó¥É¤Ï¡¢¥­¡¼¥Þ¥Ã¥×Helper-help-map¤ò Êѹ¹¤¹¤ë¤³¤È¤Ç¥«¥¹¥¿¥Þ¥¤¥º¤Ç¤­¤ë¡£

Variable: data-directory

¤³¤ÎÊÑ¿ô¤Ï¡¢Emacs¤È¤È¤â¤ËÇÛÉÛ¤µ¤ì¤¿ÆÃÄê¤ÎÀâÌÀʸ¤ä¥Æ¥­¥¹¥È¥Õ¥¡¥¤¥ë¤ò Emacs¤¬Ãµ¤¹¤¿¤á¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¤òÊÝ»ý¤¹¤ë¡£ Emacs¤Î¸Å¤¤ÈǤǤϡ¢¤³¤ÎÌÜŪ¤Ë¤Ïexec-directory¤òÍѤ¤¤Æ¤¤¤¿¡£

Macro: make-help-screen fname help-line help-text help-map

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µ¯Æ°¤µ¤ì¤ë¤È¡¢fname¤Ï¥¦¥£¥ó¥É¥¦¤Ëhelp-text¤òɽ¼¨¤·¡¢ help-map¤Ë½¾¤Ã¤Æ¥­¡¼Îó¤òÆÉ¤ß¼Â¹Ô¤¹¤ë¡£ ʸ»úÎóhelp-text¤Ï¡¢help-map¤¬Ä󶡤¹¤ë ¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤òµ­½Ò¤¹¤ë¤Ù¤­¤Ç¤¢¤ë¡£

¥³¥Þ¥ó¥Éfname¤Ï¡¢help-text¤Îɽ¼¨¤ò¥¹¥¯¥í¡¼¥ë¤¹¤ë¤³¤È¤Ç¡¢ ¤½¤ì¼«¿È¤Ç¤Ï¾¯¿ô¤Î¥¤¥Ù¥ó¥È¤ò°·¤¦¤è¤¦¤ËÄêµÁ¤µ¤ì¤ë¡£ fname¤¬¤½¤ì¤é¤ÎÆÃ¼ì¥¤¥Ù¥ó¥È¤Î1¤Ä¤òÆÉ¤ß¼è¤ë¤È¡¢ ¥¹¥¯¥í¡¼¥ë¤·¤Æ¤Ä¤®¤Î¥¤¥Ù¥ó¥È¤òÆÉ¤ß¼è¤ë¡£ ÆÉ¤ß¼è¤Ã¤¿¥¤¥Ù¥ó¥È¤¬¡¢°·¤¨¤ë¤â¤Î¤Ç¤Ê¤¯¡¢ help-map¤Ë¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤¬¤¢¤ì¤Ð¡¢ Åö³º¥­¡¼¤Î¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤ò¼Â¹Ô¤·¤ÆÌá¤ë¡£

help-line¤Ï¡¢help-mapÆâ¤ÎÁªÂò¹àÌܤò1¹Ô¤Ë¤Þ¤È¤á¤¿¤â¤Î¤Ç¤¢¤ë¤³¤È¡£ Emacs¤Î¸½ºß¤ÎÈǤǤϡ¢¤³¤Î°ú¿ô¤Ï¥ª¥×¥·¥ç¥óthree-step-help¤òt¤Ë ÀßÄꤷ¤Æ¤¢¤ë¾ì¹ç¤Ë¤Î¤ß»È¤ï¤ì¤ë¡£

¤³¤Î¥Þ¥¯¥í¤Ï¡¢C-h C-h¤Î¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤Ç¤¢¤ë ¥³¥Þ¥ó¥Éhelp-for-help¤Ç»È¤ï¤ì¤Æ¤¤¤ë¡£

User Option: three-step-help

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