# File lib/maruku/output/to_s.rb, line 36
        def generate_id
                
                title = children_to_s
                title.gsub!(/ /,'_')
                title.downcase!
                title.gsub!(/[^\w_]/,'')
                title.strip!
                
                if title.size == 0
                        $uid ||= 0
                        $uid += 1
                        title = "id#{$uid}"
                end

                # random is a very bad idea
#               title << "_" + rand(10000).to_s
                title
        end