# File lib/cgikit/parser.rb, line 686
    def value_for_string( value )
      case value
      when /\A:/ then
        value.sub(/\A:/, '').intern
      when /\A\s*ruby\s*:/ # it should be add `i` option

        value.sub(/\A\s*ruby\s*:/, '').intern
      when 'true' then
        true
      when 'false' then
        false
      when 'nil' then
        nil
      else
        value
      end
    end