XML：用注释来操纵代码？

Question

我使用 XML 进行配置，但有时我想测试新的配置并使用注释将它们与其他配置分开，如下所示：

<!-- Begin testing block comments -->
<test1>
    something here
</test1>

<test2>
    something else
</test>
<!-- End testing block comments -->

所以最近我在评论整个块删除第一个结束评论后遇到了一个错误，假设它作为 C 块评论工作，其中只有第一个评论开始被认为直到找到结束评论（即 /* /* */). 但是当我执行以下操作时：

<!-- Begin testing block comments >
...
<!-- End testing block comments -->

我仍然遇到配置错误。这会错误评论我的代码还是应该像这样工作？因为如果是的话，我想可能发生了其他事情...

Answer 1

来自the specification：

Comments may appear anywhere in a document outside other markup; in addition, they may appear within the document type declaration at places allowed by the grammar. They are not part of the document's character data; an XML processor may, but need not, make it possible for an application to retrieve the text of comments. For compatibility, the string " -- " (double-hyphen) must not occur within comments.

你这里有这样一个双连字符：

<!-- Begin testing block comments >
...
<!-- End testing block comments -->
  ^^

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