Manual:$wgAllowMicrodataAttributes/ja

詳細
ウィキテキスト内で HTML5 マイクロデータ属性を使用できるようにします. For this to work must be set to "true", which is the default as well as unchangeable since MW 1.22+. Starting with MW 1.27+ HTML5 microdata attributes will be allowed by default.

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