为什么要引入新的JSLint错误“使用空格，而不是制表符”和“不安全字符”?

I have been validating my JavaScript using JSLint for about 2 years now and once in a while there are rules that change. In general when JSLint introduces a new rule, there is a checkbox to ignore this rule when parsing, or if you choose to not ignore it then to make your code compliant to it.I have been validating my JavaScript using JSLi