There are events for element opening and closing tags, for the content of elements, for entities, and for parsing errors.

元素打开关闭标记、元素内容、实体和解析错误都有对应的事件。

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Complex and simple type definitions in XML schema 1.0 allow schema authors to specify and restrict the content of elements and values of attributes.

XML Schema 1.0同时提供复杂类型和简单类型定义，允许模式作者指定并限制元素的内容和属性值。

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The basic interface to XML Notepad consists of a collapsible tree view of an XML document in one pane, with the other pane containing lines indicating the content of elements and attributes.

XML Notepad的基本界面由两个窗格构成，一个窗格中是XML文档的可折叠树视图，另一个窗格包含一些表明元素内容和属性的行。

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Of three possible municipal wastewater (sewage) effluents evaluated as a source of N and P, the most effective was source-separated urine with a very high content of these elements, in which case growing algae became more environmentally beneficial than the land-based crops.

FORBES: Report Says Algal Biofuels May Not Cut Carbon Emissions, But Read More Closely

This document is used to describe and define the type of content including the entities, attributes, elements and notation used for the submission of Exhibit 300s for the BY11 budget cycle.

WHITEHOUSE: Office of E-Government & Information Technology: Strategies and Guides | The White House

The hope is that it will allow record labels to focus on managing the editorial content and e-commerce elements of band sites with fewer people and technology requirements than are currently used--particularly as it seeks to build more of these sites.

FORBES: Enterprising Gains