From: Yukihiro Matsumoto <matz@...>
Date: 2008-04-06T09:05:26+09:00
Subject: [ruby-dev:34260] Re: [ruby-cvs:23146] Ruby:r15906 (trunk): * lib/cmath.rb: new.

まつもと ゆきひろです

In message "Re: [ruby-cvs:23146] Ruby:r15906 (trunk): * lib/cmath.rb: new."
    on Sat, 5 Apr 2008 23:25:42 +0900 (JST), tadf@ruby-lang.org writes:

|    * lib/rational.rb: added rdiv.

これ不要じゃないですか。互換性のため？