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概要
#484 のissueに関するPRです。
open-uri
でno_proxy
環境変数をデフォルトで使用できるので、プロキシを使用する場合の環境変数の説明に追加しました。Ruby 2.7.0のURIの
find_proxy
でもno_proxy
環境変数が使用できます。open-uri
は内部で上記を呼び出していますので、現在のRubyリファレンスマニュアルのサポート対象がRuby 2.7~3.2のようですのでドキュメントの説明にそのまま追加しました。https://github.com/ruby/ruby/blob/v2_7_0/lib/uri/generic.rb#L1475-L1489