should eliminate the symptom of pr 7470
svn: r1533
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@ -1304,6 +1304,7 @@ module browser threading seems wrong.
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[lst lst])
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[lst lst])
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(cond
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(cond
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[(zero? n) null]
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[(zero? n) null]
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[(null? lst) null]
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[else (cons (car lst) (loop (- n 1) (cdr lst)))])))]
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[else (cons (car lst) (loop (- n 1) (cdr lst)))])))]
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[find-exp-diff
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[find-exp-diff
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(λ (p1 p2)
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(λ (p1 p2)
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