MediaWiki:Vector-2022.js

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// T331742 - can be removed Saturday March 11th 2023 or later.
if ( !(
    document.documentElement.classList.contains('vector-feature-toc-pinned-enabled') ||
    document.documentElement.classList.contains('vector-feature-toc-pinned-disabled')
    )
) {
    mw.errorLogger.logError( new Error( 'T331742: Invalid HTML' ), 'error.T331742' );
}