\define@boolkey{spec}{HD}[true]{}
\setkeys{spec}{HD}´Â \setkeys{spec}{HD=true}¿Í °°´Ù.¿Ö³ÄÇÏ¸é µðÆúÆ®·Î true°¡ ÁöÁ¤µÇ¾î Àֱ⠶§¹®ÀÌ´Ù.
¹èŸÀûÀÎ º¯¼ö¸¦ Çϳª ¸¸µé¾îº¸ÀÚ.
\define@boolkey{spec}{SD}[true]{}
SD°¡ true·Î ÁöÁ¤µÈ´Ù¸é HD°¡ false°¡ µÇ¾î¾ß ÇÑ´Ù. ¶Ç ±× ¹Ý´ëµµ ¼º¸³µÇ¾î¾ß ÇÑ´Ù.
\define@boolkey{spec}{SD}[true]{
\ifKV@spec@SD
\setkeys{spec}{HD=false}
\fi
}
\define@boolkey{spec}{HD}[true]{
\ifKV@spec@HD
\setkeys{spec}{SD=false}
\fi
}
KV@spec@HD´Â \define@boolkey¿¡ ÀÇÇØ ¸¸µé¾îÁö´Â º¯¼öÀÌ´Ù.
ÀÌ°ÍÀ» tex ÆÄÀÏ¿¡¼ ifthen ÆÐÅ°ÁöÀÇ \ifthenelse ¸í·É¿¡µµ ´ç¿¬È÷ ¾µ ¼ö ÀÖ´Ù.
\ifthenelse{\boolean{KV@spec@HD}}{ ... }{ ...}