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9.2 ½ÐÎϤòµÕÀÚÂØ¤¨¡Êundivert¡Ë¤¹¤ë

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undivert(opt number, ...)

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divert(1)
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divert
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divert(1)
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divert(0)undivert(1)dnl
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undivert(1)
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define(`bar', `BAR')
⇒
undivert(`foo')
⇒bar
⇒
include(`foo')
⇒BAR
⇒