class Kramdown::Parser::Kramdown

def parse_blocks(el, text = nil)
  @stack.push([@tree, @src])
  @tree, @src = el, (text.nil? ? @src : StringScanner.new(text))
  status = catch(:stop_block_parsing) do
    while !@src.eos?
      block_ial_set = @block_ial
      @block_parsers.any? do |name|
        if @src.check(@parsers[name].start_re)
          send(@parsers[name].method)
        else
          false
        end
      end || begin
        warning('Warning: this should not occur - no block parser handled the line')
        add_text(@src.scan(/.*\n/))
      end
      @block_ial = nil if block_ial_set
    end
  end
  @tree, @src = *@stack.pop
  status
end