干净的XHTML语法_HTML/Xhtml_网页制作

Writing XHTML demands a clean HTML syntax.
写XHTML要求使用干净的HTML语法
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Some More XHTML Syntax Rules:
更多XHTML语法规则：
Attribute names must be in lower case
属性名称必须为小写
Attribute values must be quoted
属性值使用双引号
Attribute minimization is forbidden
属性简写是不允许的
The id attribute replaces the name attribute
用id属性来替代name属性
The XHTML DTD defines mandatory elements
XHTML DTD定义强制元素
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Attribute Names Must Be In Lower Case
属性名称必须为小写
This is wrong:
这是错误的：
This is correct:
这是正确的：

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Attribute Values Must Be Quoted
属性值必须带上双引号
This is wrong:
这是错误的：
This is correct:
这是正确的：

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Attribute Minimization Is Forbidden
不允许属性简写
This is wrong:
这是错误的：




This is correct:
正确的是这样：




Here is a list of the minimized attributes in HTML and how they should be written in XHTML:
这是在HTML中简写的属性和其在XHTML中应该怎样书写的列表：
HTML XHTML
compact compact="compact"
checked checked="checked"
declare declare="declare"
readonly readonly="readonly"
disabled disabled="disabled"
selected selected="selected"
defer defer="defer"
ismap ismap="ismap"
nohref nohref="nohref"
noshade noshade="noshade"
nowrap nowrap="nowrap"
multiple multiple="multiple"
noresize noresize="noresize"

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The id Attribute Replaces The name Attribute
id属性替换name属性
HTML 4.01 defines a name attribute for the elements a, applet, frame, iframe, img, and map. In XHTML the name attribute is deprecated. Use id instead.
对于a, applet, frame, iframe, img和map，HTML 4.01中定义了一个name属性，在XHTML中是不赞成这样做的，使用id来代替。
This is wrong:
这是错误的：
This is correct:
这是正确的：
Note: To interoperate with older browsers for a while, you should use both name and id, with identical attribute values, like this:
注意：为了版本比较低的浏览器，你应该同时使用name和id属性，并使它们两个的值相同的，像这样：
IMPORTANT Compatibility Note:
兼容性注意点：
To make your XHTML compatible with today''s browsers, you should add an extra space before the "/" symbol.
让你的XHTML兼容当前的浏览器你应该在/标记前添加空格

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The Lang Attribute
Lang 属性
The lang attribute applies to almost every XHTML element. It specifies the language of the content within an element.
lang属性可以应用于几乎所有的XHTML元素。它指定了元素中内容的语言
If you use the lang attribute in an element, you must add the xml:lang attribute, like this:
如果你像在一个元素中应用lang属性，你必须加上xml:lang属性，像这样：

Heia Norge!

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