With this research the project manager went back to the site sponsors and asked, "is this compatibility necessary when less than 0."5% of your customers use these old browsers?
带着这项调查结果，项目经理找到了站点主办方，然后问道：“如果只有不到0.”5%的用户使用这些旧浏览器，那么这种兼容性是必需的吗？
The difference is that X.org has a cleaner separation of policy and mechanism, and maintains backwards compatibility with applications dating back to the mid 1980s.
不同之处在于，X.org对于策略和方法有一个更加清楚的区分，同时保持了对1980年代中期以来的应用程序的兼容。
This option is deprecated as it is more for back-level compatibility.
不建议使用这个选项，因为它主要用于提供向后兼容性。
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