Ruby 1.3.1-990311 is out, check out:

    ftp://ftp.netlab.co.jp/pub/lang/ruby/devel/ruby-1.3.1-990311.tar.gz

md5sum is

    5e8def6c1b3602c7f1b46606c2f38a06  ruby-1.3.1-990311.tar.gz

Notice this is early access release, try it at your own risk.

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