Without that baseline, the check option reports the error shown in Listing 1.

如果没有基线，检查选项会报告清单1所示的错误。

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Additionally, validation provides a baseline functionality that you can always check changes and updates to your page against.

此外，验证还提供了一个基准功能，可以始终检查页面的更改和升级。

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The next series of steps show how to check in all of the test assets, create a new baseline, and then check out all of the assets again.

下面几个步骤显示了如何检入全部的测试资产，创建一个新的基线，并且再次检出所有的资产。

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As the platform continues to grow it will one day be possible to tap the map and check out a party in South Beach, a powder day in Aspen or third baseline seats at the World Series.

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