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make IFs work with undefined conditions

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svn: r8834
This commit is contained in:
Greg Cooper 2008-03-01 05:28:37 +00:00
parent 3e77d0b60f
commit c615b88cc7
1 changed files with 1 additions and 1 deletions
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2
collects/frtime/mzscheme-core.ss
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@ -31,7 +31,7 @@
(if x #t #f)) (if x #t #f))
(define (frp:->boolean x) (define (frp:->boolean x)
(lift #f ->boolean x)) (lift #t ->boolean x))
(define-syntax frp:if (define-syntax frp:if
(syntax-rules () (syntax-rules ()