Now shared stylesheets are provided by upload.wikimedia.org https://wikitech.leuksman.com/index.php?title=Server_admin_log&diff=1749...
This breaks javascript code adding custom rules. Just a checking like if (document.styleSheets[0].cssRules) now throws "0x805303e8 (NS_ERROR_DOM_SECURITY_ERR)" http://mrclay.org/index.php/2008/09/06/case-of-the-ns_error_dom_security_err...
Is there a recommended way to do this?
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