# File lib/kwartz/binding/rails.rb, line 221
    def add_directive_content_as_arg(d_arg, cont_stmts)
      if d_arg.empty? || d_arg[0] == ?: || d_arg[0] == ?{
        print_stmt = cont_stmts[0]
        label = print_stmt.args[0]
        d_arg[0,0] = "#{quote(label)}#{d_arg.empty? ? '' : ', '}" if label
      end
    end