In MathML3, the existing usage is deprecated and mglyph has been extended with a src attribute to be a general image reference element, similar to HTML's img element.
在MathML3 中，现有用法遭到反对，用一个src属性扩展了 mglyph，使之成为一般的图像引用元素，类似于HTML的img 元素。
Thus, the boundary between transformation and serialization is muddled, so the XSL WG deprecated this attribute.
这样就模糊了转换和序列化之间的界限，因此XSLWG不赞成使用该属性。
In general, version information within the tag is more trouble than it is worth, and this attribute has been deprecated in HTML 4.
一般来说，标签内的版本信息所带来的麻烦比好处还多，这个属性在HTML 4中已经被废弃了。
Deprecated. This attribute sets the style of a list item. Currently available values are intended for visual user agents. Possible values are described below (along with case information).
不推荐。该属性设置列表项目的样式。当前可用的取值是为可视化用户代理准备的。有大小写信息的可能的取值在下面描述。
Deprecated. This attribute sets the style of a list item. Currently available values are intended for visual user agents. Possible values are described below (along with case information).
不推荐。该属性设置列表项目的样式。当前可用的取值是为可视化用户代理准备的。有大小写信息的可能的取值在下面描述。
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