Fortunately that URL was crawled by the Web Archive...
http://web.archive.org/web/20120501000000*/http://synthcode.com/scheme/match.scm

On Oct 9, 2014 6:53 PM, "Hendrik Boom" <hendrik@topoi.pooq.com> wrote:
Is there a data structure matching operator for Gambit?  Something that I
could feed a pattern like (list 'a c d) to and would match lists like (a
(foo) onion), binding c to (foo) ad d to onion?

I found a link to one such  http://synthcode.com/scheme/match.scm in an
old gambit mailing list message, but that site seems to be gone now.

-- hendrik

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