class Haml::Compiler::ScriptCompiler

def self.find_and_preserve(input, tags)
  tags = tags.map { |tag| Regexp.escape(tag) }.join('|')
  re = /<(#{tags})([^>]*)>(.*?)(<\/\1>)/im
  input.to_s.gsub(re) do |s|
    s =~ re # Can't rely on $1, etc. existing since Rails' SafeBuffer#gsub is incompatible
    "<#{$1}#{$2}>#{Haml::Helpers.preserve($3)}</#{$1}>"
  end
end