是否有XHTML 5验证器？ [英] Is there an XHTML 5 validator?
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问题描述
是否有专门针对XHTML 5的验证器，即HTML 5的XML序列化？ W3C验证器支持文档类型：
Is there a validator specifically for XHTML 5, i.e. the XML serialization of HTML 5? The W3C validator supports the document types:
-
HTML 5（实验性）：将其视为XML中不允许的有效各种功能，例如隐式关闭< br>标签。 - 几个
XHTML 1.0和XHTML 1.1doctypes，无法识别HTML 5中的新标签。
HTML 5 (experimental):which treats as valid various features that are not allowed in XML, such as implicitly closed<br>tags.- several
XHTML 1.0andXHTML 1.1doctypes, which don't recognize the new tags in HTML 5.
推荐答案
HTML 5的W3C验证器实际上确实检测并验证了XHTML 5：
The W3C validator for HTML 5 in fact does detect and validate XHTML 5:
- 当通过URI验证时，它使用服务器提供的内容类型（如果指定
application / xhtml + xml，则为XHTML）。 - 按文件验证时上传或直接输入，它根据文件中是否存在
xmlns属性来猜测。也就是说，
- When validating by URI, it uses the content-type provided by the server (XHTML if it specifies
application/xhtml+xml). - When validating by file upload or direct input, it guesses based on whether an
xmlnsattribute is present in the file. That is,
这被标识为XHTML（因此被正确标记为无效）：
This is identified as XHTML (and is therefore correctly marked invalid):
<html xmlns="http://www.w3.org/1999/xhtml">
<head><title>test</title></head>
<body><br></body></html>
这被标识为HTML（因此被正确标记为有效）：
This is identified as HTML (and is therefore correctly marked valid):
<!DOCTYPE html><html>
<head><title>test</title></head>
<body><br></body></html>
编辑：显然他们正在删除此自动识别功能。请参阅此错误。
Edit: Apparently they're removing this auto-identification. See this bug.
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