nobu	2014-12-31 23:59:19 +0900 (Wed, 31 Dec 2014)

  New Revision: 49084

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49084

  Log:
    resolv.rb: String#b
    
    * lib/resolv.rb (Resolv::DNS::Label::Str#initialize): use String#b.

  Modified files:
    trunk/lib/resolv.rb
Index: lib/resolv.rb
===================================================================
--- lib/resolv.rb	(revision 49083)
+++ lib/resolv.rb	(revision 49084)
@@ -1172,7 +1172,7 @@ class Resolv https://github.com/ruby/ruby/blob/trunk/lib/resolv.rb#L1172
           @string = string
           # case insensivity of DNS labels doesn't apply non-ASCII characters. [RFC 4343]
           # This assumes @string is given in ASCII compatible encoding.
-          @downcase = string.dup.force_encoding('ASCII-8BIT').downcase
+          @downcase = string.b.downcase
         end
         attr_reader :string, :downcase
 

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