class Sass::Engine

def try_comment(line, last, tab_str, comment_tab_str, index)
  return unless last && last.comment?
  # Nested comment stuff must be at least one whitespace char deeper
  # than the normal indentation
  return unless line =~ /^#{tab_str}\s/
  unless line =~ /^(?:#{comment_tab_str})(.*)$/
    raise SyntaxError.new(<<MSG.strip.gsub("\n", " "), :line => index)
nsistent indentation:
ious line was indented by #{Haml::Shared.human_indentation comment_tab_str},
this line was indented by #{Haml::Shared.human_indentation line[/^\s*/]}.
  end
  last.text << "\n" << $1
  true
end