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[/^ */].length
  end
  content.sub!(/^\s*/, '')
  [content, indentation, *PARSE_FIRST_LIST_LINE_REGEXP_CACHE[indentation]]
end