handle

# File lib/rdoc/markup/pre_process.rb, line 98
  def handle text, code_object = nil, &block
    if RDoc::Comment === text then
      comment = text
      text = text.text
    end

    encoding = text.encoding if defined?(Encoding)

    # regexp helper (square brackets for optional)
    # $1      $2  $3        $4      $5
    # [prefix][\]:directive:[spaces][param]newline
    text.gsub!(/^([ \t]*(?:#|\/?\*)?[ \t]*)(\\?):(\w+):([ \t]*)(.+)?(\r?\n|$)/) do
      # skip something like ':toto::'
      next $& if $4.empty? and $5 and $5[0, 1] == ':'

      # skip if escaped
      next "#$1:#$3:#$4#$5\n" unless $2.empty?

      # This is not in handle_directive because I didn't want to pass another
      # argument into it
      if comment and $3 == 'markup' then
        next "#{$1.strip}\n" unless $5
        comment.format = $5.downcase
        next "#{$1.strip}\n"
      end

      handle_directive $1, $3, $5, code_object, encoding, &block
    end

    comment = text unless comment

    self.class.post_processors.each do |handler|
      handler.call comment, code_object
    end

    text
  end