You can then define the XForms select-xhtml element appropriately, as shown in Listing 14.
然后定义适当的XFormsselect - xhtml元素，如清单14所示。
We chose to normalize all the XHTML element selectors we knew we wanted to use by setting the margin and padding to zero, as shown in Listing 3.
对于我们要使用的所有XHTML元素选择器，将空白边和补白设置为零，从而防止浏览器应用默认样式，见清单3。
As an example, an ID on an XHTML element is used for linking within a document — and this is similar to how an anchor name within an HTML document can be used for internal links.
例如，使用XHTML元素的ID在文档内进行链接——这种方式类似于在HTML文档中使用锚点名称进行内部链接。
Note: the DOCTYPE declaration is not a part of the XHTML document itself. It is not an XHTML element and it should not have a closing tag.
注意：DOCTYPE声明并不是XHTML文档自身的一部分。它也不是XHTML元素，它不该有关闭标签。
Note: the DOCTYPE declaration is not a part of the XHTML document itself. It is not an XHTML element, and it should not have a closing tag.
注意：DOCTYPE声明并不是XHTML文档自身的一部分。它也不是XHTML元素，它不该有关闭标签。
Note: the DOCTYPE declaration is not a part of the XHTML document itself. It is not an XHTML element, and it should not have a closing tag.
注意：DOCTYPE声明并不是XHTML文档自身的一部分。它也不是XHTML元素，它不该有关闭标签。
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