# File lib/html5/tokenizer.rb, line 569
    def attribute_value_unquoted_state
      data = @stream.char
      if SPACE_CHARACTERS.include? data
        @state = :before_attribute_name_state
      elsif data == "&"
        process_entity_in_attribute
      elsif data == ">"
        emit_current_token
      elsif data == :EOF
        @token_queue << {:type => :ParseError, :data => "eof-in-attribute-value-no-quotes"}
        emit_current_token
      else
        @current_token[:data][-1][1] += data +  @stream.chars_until(["&", ">","<"] + SPACE_CHARACTERS)
      end
      return true
    end