module Haml::Helpers

def prettify(text)
  text = text.split(/^/)
  text.delete('')
  min_tabs = nil
  text.each do |line|
    tabs = line.index(/[^ ]/) || line.length
    min_tabs ||= tabs
    min_tabs = min_tabs > tabs ? tabs : min_tabs
  end
  text.map do |line|
    line.slice(min_tabs, line.length)
  end.join
end