将大写结束脚本标记“break”一个网站？
我正在尝试帮助与我合作的 Web 开发人员找出可能导致我正在帮助的网站呈现效果不佳的原因。它涉及带有旋转图像的 javascript，并且该网站在不同时间针对使用不同操作系统和不同浏览器的不同人进行了倾斜（我刚刚通过浏览器截图检查过）。
她已经尝试修复这个问题很长一段时间了，而且现在非常紧急，所以尽管我对创建或排除 javascript 几乎一无所知，但我决定自己通过 w3 的代码验证器看看，看看第二双眼睛是否可以帮助，我看到结束脚本标记是大写字母，而 w3 表示 xhtml 中只允许小写字母。我还没有收到开发商的回复，所以，我很好奇其他人会怎么说——这会“破坏”网站吗？
那么如果有重复的内容类型元标记呢？标题标记上方有一个，下面也有一个——两者都是相同的。这会对网站上的任何内容产生影响吗？
我将不胜感激任何意见或建议。提前致谢。
I'm trying to help a web developer I'm working with figure out what might be causing poor rendering of a site I'm helping with. It involves javascript with rotating images, and the site is all skewed at different times for different people using different operating systems and different browsers (I just checked that via browsershots).
She's been trying for quite a while to fix it, and it's pretty urgent now, so although I know next to nothing about creating or troubleshooting javascript, I decided to have a look via w3's code validator myself to see if a second set of eyes might help, and I see that a closing script tag is in upper case letters, and w3 says only lower case is allowed in xhtml. I haven't heard back from the developer yet, so, I'm curious about what others would have to say - would this 'break' the site?
And what about having duplicate content-type meta tags - there is one above the title tag and again below it - both the same. Would that be having any effect on anything on the site?
I'd appreciate any opinions or advice. Thanks in advance.
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这两个问题都不会破坏网站，除非您使用 XML 内容类型来提供页面，而您几乎肯定不会这样做。但我赞同皮特·威尔逊的评论。修复 (X)HTML 问题的起点是确保页面有效。
Neither problem will break the site, unless you are serving the page with an XML content type, and you almost certainly aren't. But I endorse Pete Wilson's comment. The starting point for fixing (X)HTML problems is to ensure that the page validates.