扩展并不是文法必需的特性,因此它们的语法不象该语言的其它构造那样得到良好定义。
Extensions are not a required feature of the grammar and, thus, their syntax is not as well defined as the other constructs of the language.
混合内容 - 混合子元素和 XML 元素中纯文本的能力 - 在一些模式语言中得到的支持不尽相同,由于这是 XML 的定义特性之一,从而造成此缺憾。
Mixed content -- the ability to mix child elements and plain text in XML elements -- has spotty support in some schema languages, which is unfortunate since it is one of the defining features of XML.
Web Flow 1是一个拥有许多特性的成熟框架,但是Web Flow 2走得更远,它使用全面简化的流程定义语言使一些常见任务更加容易实现。
Web flow 1 is a mature framework with a lot of features, but Web flow 2 goes significantly further by making the common tasks easier to accomplish using a simpler flow definition language overall.
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