From: "冷雨" <raincolee@...>
Date: 2010-11-08T03:31:48+09:00
Subject: why was my mail sent twice?(no ruby-related)

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During using the mailing list I always send my mail twice.(see in "sort_by
is not stable?")
I just wrote a mail and then sent it to "ruby-talk@ruby-lang.org".
how to use mailing list correctly?
-- 
Lai, Yu-Hsuan

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