WordPress/wp-admin/js/xfn.min.js

jQuery(document).ready(function(a){a("#link_rel").prop("readonly",!0),a("#linkxfndiv input").bind("click keyup",function(){var b=a("#me").is(":checked"),c="";a("input.valinp").each(function(){b?a(this).prop("disabled",!0).parent().addClass("disabled"):(a(this).removeAttr("disabled").parent().removeClass("disabled"),a(this).is(":checked")&&""!=a(this).val()&&(c+=a(this).val()+" "))}),a("#link_rel").val(b?"me":c.substr(0,c.length-1))})});