the extension rules (mustIgnore, foreign markup)

扩展规则（mustIgnore, foreign markup）

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The coloring plug-in provides an extension point so that you can add your own kinds of color rules.

颜色绘图插件提供了一个扩展点，这样您就可以添加自己的着色规则了。

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Exchange schemas follow all of the same rules described previously for extension schemas.

交换架构遵循前面描述的针对扩展架构的所有规则。

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The European Union has postponed a planned extension of rules that require airlines to pay for their carbon emissions to include flights to and from non-EU destinations.

BBC: EU suspends extension of plane emissions trading rules

Nasdaq rules allow an extension of up to 180 days from the filing due date to regain compliance for continued listing.

FORBES: OCZ's New Troubles: Delisting Warning, Sales Chief Leaves

Rules that restrict an extension to no more than 50% of a property's garden will remain.

BBC: UK Politics