User:Enterprisey/ipv6-subnet-link.js

$(function {   if (mw.config.get('wgCanonicalSpecialPageName') === 'Contributions') {        var a = mw.config.get('wgRelevantUserName');        if (a && (a.split(':').length === 8) && (a.indexOf('/') < 0)) {            mw.loader.using(['mediawiki.util'], function { var b = 'Special:Contribs/' + a.split(':').slice(0, 4).join(':') + '::/64'; $('.mw-contributions-user-tools').first.after(' ' + b + ' '); });       }    } });