disallow empty application; rename regexp-match/fail-without-reading to regexp-try-match
svn: r8152 original commit: 1d8b21f53b4bdd14d7986aeda2ba76c351370a60
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@ -20,7 +20,7 @@
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(set! can?-callbacks
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(let loop ([cb-list can?-callbacks])
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(cond
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[(null? cb-list) ()]
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[(null? cb-list) '()]
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[(eq? cb (car cb-list)) (cdr cb-list)]
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[else (cons (car cb-list) (loop (cdr cb-list)))]))))))
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@ -31,7 +31,7 @@
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(set! on-callbacks
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(let loop ([cb-list on-callbacks])
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(cond
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[(null? cb-list) ()]
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[(null? cb-list) '()]
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[(eq? cb (car cb-list)) (cdr cb-list)]
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[else (cons (car cb-list) (loop (cdr cb-list)))]))))))
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