# File lib/addressable/uri.rb, line 777
    def normalized_scheme
      self.scheme && @normalized_scheme ||= (begin
        if self.scheme =~ /^\s*ssh\+svn\s*$/i
          "svn+ssh"
        else
          Addressable::URI.normalize_component(
            self.scheme.strip.downcase,
            Addressable::URI::CharacterClasses::SCHEME
          )
        end
      end)
    end