Schematron: Add this ISO/IEC standard language for making assertions about patterns in XML documents to your toolbox.

Schematron：将这个用于对 XML 文档中的模式做出断言的 ISO/IEC 标准语言添加到您的工具箱。

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RELAX NG information site: Find links and information about ISO/IEC 19757-2:2008.

RELAX NG 信息站点：找到关于 ISO/IEC 19757-2:2008 的链接和信息。

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Standard IEC 61131-3 is a standard about programming language for PLC, developed by International Electrotechnical Commission (IEC).

IEC 61131-3标准是国际电工委员会（IEC）公布的关于可编程控制器的编程语言的标准。

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But they did discuss different preparations that are being made with the IEC to ensure that the election is run in a way that people can be confident about its outcome.

WHITEHOUSE: Press Briefing