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Bug fix for let-match: variables may be #f.

This commit is contained in:
mainzelm 2003-01-23 17:18:08 +00:00
parent a6c56aa458
commit a5e76d4484
1 changed files with 2 additions and 0 deletions
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2
scsh/rx/re-match-syntax.scm
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@ -18,6 +18,8 @@
(define-syntax let-match-aux
(syntax-rules ()
((let-match-aux ?match-var ?i0 (#f ?mvars ...) ?body0 ?body ...)
(let-match-aux ?match-var (+ 1 ?i0) (?mvars ...) ?body0 ?body ...))
((let-match-aux ?match-var ?i0 (?mvar0 ?mvars ...) ?body0 ?body ...)
(let ((?mvar0 (match:substring ?match-var ?i0)))
(let-match-aux ?match-var (+ 1 ?i0) (?mvars ...) ?body0 ?body ...)))