Ruby 1.3.7 is repacked, check out:

    ftp://ftp.netlab.co.jp/pub/lang/ruby/ruby-1.3.7.tar.gz

md5sum is

    f9a064d22d38c633418c4e45430ad03b  ruby-1.3.7.tar.gz

Notice this is beta release to 1.4.

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