# File lib/kramdown/document.rb, line 100
    def method_missing(id, *attr, &block)
      if id.to_s =~ /^to_(\w+)$/ && (name = $1[0..0].upcase + $1[1..-1]) && Converter.const_defined?(name)
        output, warnings = Converter.const_get(name).convert(@root, @options)
        @warnings.concat(warnings)
        output
      else
        super
      end
    end