Of course, there are edge cases as well, such as if a user presses the Find word button without having entered a word, or if the user enters an invalid word.
当然，也存在一些极端的例子，比如一个用户按下了FindWord按钮但没有输入单词，或者，用户输入了一个无效的单词。
If any are invalid, the advanced configurations are automatically removed from the pattern, making it then necessary to click the advanced options button and make new choices.
如果存在无效的选择，将自动从模式中删除高级配置，以便在必要时单击advancedoptions按钮并进行新的选择。
What if the XPath //input[@value='Google Search' and @type='button']became invalid due to changes on the web?
万一因为Web的变化，XPath //input[@value='GoogleSearch' and @type='button']变成无效的了，怎么办？
If an invalid stack size is entered (i. e. a stack of 21 Saronite Ore), the Create Auction button will be grayed out.
如果输入错误的数量（如21个矿石），那么拍卖按钮将变成灰色。
If an invalid stack size is entered (i. e. a stack of 21 Saronite Ore), the Create Auction button will be grayed out.
如果输入错误的数量（如21个矿石），那么拍卖按钮将变成灰色。
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