为什么我的文档没有通过XHTML 1.1 STRICT验证? [英] Why isn't my document validating as XHTML 1.1 STRICT?
问题描述
虽然不赞成使用target ="_ blank"，但为什么W3C验证程序没有给出有关此错误的信息?您可以在验证器中粘贴并检查该代码:
While target="_blank" is deprecated, why is the W3C validator not giving an error about this ? You can paste and check this code int the validator:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<p>
<a href="http://www.stackoverflow.com" title="New window will open" target="_blank">Link opens in new window</a>
</p>
</body>
</html>
这是否意味着XHTML 1.1支持target ="_ blank"，但严格的XHTML 1.0不支持?还是W3C验证程序中的错误?
Does it mean that XHTML 1.1 supports target="_blank", but XHTML 1.0 strict does not? Or is it a bug in the W3C validator?
推荐答案
您正在被验证为XHTML 过渡版，而不是严格.如果您手动将文档类型重写为XHTML 1.0 Strict，则会出现此错误:
You are being validated as XHTML Transitional rather than Strict. If you manually override the doctype to XHTML 1.0 Strict you get this error:
错误行11，第76栏:属性目标"存在，但不能用于此元素.
Error Line 11, Column 76: Attribute "target" exists, but can not be used for this element.
…om"； title =将打开新窗口" target =''_ blank">链接会在新窗口中打开
如果您要严格要求，请使用此文档类型:
Use this doctype if you want to be strict:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
过渡模式仍然允许某些不赞成使用的元素和属性，我想可以帮助人们 transition 逐步实现更严格的标记.
The transitional schemas still allow certain deprecated elements and attributes, I guess to help people transition in steps towards a stricter markup.
好，所以原始代码是XHTML 1.1，其中只有一个单一版本(没有严格/过渡)，并且根据
OK, so the original code was XHTML 1.1 of which there is just one single version (no Strict/Transitional), and according this FAQ the target attribute is indeed not allowed. So I guess this must be a bug in the validator.
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