class Kramdown::Converter::Base

def generate_id(str)

ID.
Uses the option +auto_id_prefix+: the value of this option is prepended to every generated

Generate an unique alpha-numeric ID from the the string +str+ for use as a header ID. 
def generate_id(str)
  str = ::Kramdown::Utils::Unidecoder.decode(str) if @options[:transliterated_header_ids]
  gen_id = str.gsub(/^[^a-zA-Z]+/, '')
  gen_id.tr!('^a-zA-Z0-9 -', '')
  gen_id.tr!(' ', '-')
  gen_id.downcase!
  gen_id = 'section' if gen_id.length == 0
  @used_ids ||= {}
  if @used_ids.has_key?(gen_id)
    gen_id += '-' << (@used_ids[gen_id] += 1).to_s
  else
    @used_ids[gen_id] = 0
  end
  @options[:auto_id_prefix] + gen_id
end