class Haml::Parser

def handle_ruby_multiline(text)
  text = text.rstrip
  return text unless is_ruby_multiline?(text)
  un_next_line @next_line.full
  begin
    new_line = raw_next_line.first
    break if new_line == :eod
    next if new_line.strip.empty?
    text << " " << new_line.strip
  end while is_ruby_multiline?(new_line.strip)
  next_line
  text
end