class Kramdown::Parser::Base

def initialize(source, options)

created text nodes) are automatically initialized.
The @root element, the @warnings array and @text_type (specifies the default type for newly

Initialize the parser object with the +source+ string and the parsing +options+. 
def initialize(source, options)
  @source = source
  @options = Kramdown::Options.merge(options)
  @root = Element.new(:root, nil, nil, encoding: (source.encoding rescue nil), location: 1,
                      options: {}, abbrev_defs: {}, abbrev_attr: {})
  @root.options[:abbrev_defs].default_proc = @root.options[:abbrev_attr].default_proc =
    lambda do |h, k|
      k_mod = k.gsub(/[\s\p{Z}]+/, " ")
      k != k_mod ? h[k_mod] : nil
    end
  @warnings = []
  @text_type = :text
end