# File lib/addressable/uri.rb, line 700
    def normalized_scheme
      @normalized_scheme ||= (begin
        if self.scheme != nil
          if self.scheme =~ /^\s*ssh\+svn\s*$/i
            "svn+ssh"
          else
            Addressable::URI.normalize_component(
              self.scheme.strip.downcase,
              Addressable::URI::CharacterClasses::SCHEME
            )
          end
        else
          nil
        end
      end)
    end