Many programs store data in text files, and separate the data fields with commas, tabs, or colons; you ll need to reject or encode user data with those values.

• 许多程序将数据存放在文本文件中,使用逗号、制表符或者冒号隔开数据域;您需要拒绝含有这些值的数据或者对其进行编码。