# File lib/core/facets/string/indent.rb, line 42
  def unindent(size=nil)
    if size
      indent(-size)
    else
      char = ' '
      self.scan(/^[\ \t]*\S/) do |m|
        if size.nil? || m.size < size
          size = m.size
          char = m[0...-1]
        end
      end
      size -= 1
      indent(-size, char)
    end
  end