# File lib/kramdown/parser/kramdown.rb, line 290
      def self.define_parser(name, start_re, span_start = nil, meth_name = "parse_#{name}")
        raise "A parser with the name #{name} already exists!" if @@parsers.has_key?(name)
        @@parsers[name] = Data.new(name, start_re, span_start, meth_name)
      end