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7.3 ¥³¥á¥ó¥È¥Ç¥ê¥ß¥¿¡Êcomment delimiters¡Ë¤òÊѹ¹¤¹¤ë

¥Ç¥Õ¥©¥ë¥È¤Î¥³¥á¥ó¥È¥Ç¥ê¥ß¥¿¡Êcomment delimiters¡Ë¤Ï ÁȤ߹þ¤ß¥Þ¥¯¥íchangecom¤ÇÊѹ¹¤Ç¤­¤Þ¤¹¡£

changecom(opt start, opt end)

start¤¬¿·¤·¤¤¥³¥á¥ó¥È³«»Ï¥Ç¥ê¥ß¥¿¡Êstart-comment delimiter¡Ë¤Ç¡¢ end¤¬¿·¤·¤¤¥³¥á¥ó¥È½ªÎ»¥Ç¥ê¥ß¥¿¡Êend-comment delimiter¡Ë¤Ç¤¹¡£ ·ç¤±¤Æ¤¤¤ë°ú¿ô¤¬¤¢¤ë¤È¤­¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Î¥³¥á¥ó¥È¶èÀڤ국¹æ (# ¤È ²þ¹Ôʸ»ú)¤¬¤½¤Î·ç¤±¤Æ¤¤¤ë°ú¿ô¤ÎÂå¤ï¤ê¤Ë»ÈÍѤµ¤ì¤Þ¤¹¡£ ¥³¥á¥ó¥È¶èÀڤ국¹æ¤ÏǤ°Õ¤ÎŤµ¤Ë¤¹¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

changecom¤ÏŸ³«¤µ¤ì¤ë¤È¾ÃÌǤ·¤Þ¤¹¡£

define(`comment', `COMMENT')
⇒
# A normal comment
⇒# A normal comment
changecom(`/*', `*/')
⇒
# Not a comment anymore
⇒# Not a COMMENT anymore
But: /* this is a comment now */ while this is not a comment
⇒But: /* this is a comment now */ while this is not a COMMENT

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°ú¿ô¤Ê¤·¤Çchangecom¤ò¸Æ¤Ö¤È¥³¥á¥ó¥Èµ¡¹½¤¬´°Á´¤Ë̵¸ú¤Ë¤Ê¤ê¤Þ¤¹¡£

define(`comment', `COMMENT')
⇒
changecom
⇒
# Not a comment anymore
⇒# Not a COMMENT anymore