class Kramdown::Parser::Kramdown

def parse_first_list_line(indentation, content)

marker or the definition marker.
Used for parsing the first line of a list item or a definition, i.e. the line with list item 
def parse_first_list_line(indentation, content)
  if content =~ self.class::LIST_ITEM_IAL_CHECK
    indentation = 4
  else
    while content =~ /^ *\t/
      temp = content.scan(/^ */).first.length + indentation
      content.sub!(/^( *)(\t+)/) {$1 << " "*(4 - (temp % 4) + ($2.length - 1)*4)}
    end
    indentation += content.scan(/^ */).first.length
  end
  content.sub!(/^\s*/, '')
  indent_re = /^ {#{indentation}}/
  content_re = /^(?:(?:\t| {4}){#{indentation / 4}} {#{indentation % 4}}|(?:\t| {4}){#{indentation / 4 + 1}}).*\S.*\n/
  lazy_re = /(?!^ {0,#{[indentation, 3].min}}(?:#{IAL_BLOCK}|#{LAZY_END_HTML_STOP}|#{LAZY_END_HTML_START})).*\S.*\n/
  [content, indentation, content_re, lazy_re, indent_re]
end