# File lib/puppet-lint/plugins/check_strings.rb, line 93
  def check
    tokens.select { |r|
      r.type == :UNENC_VARIABLE
    }.each do |token|
      notify :warning, {
        :message => 'variable not enclosed in {}',
        :line    => token.line,
        :column  => token.column,
        :token   => token,
      }
    end
  end