| Index: lib/filterClasses.js | 
| =================================================================== | 
| --- a/lib/filterClasses.js | 
| +++ b/lib/filterClasses.js | 
| @@ -982,17 +982,18 @@ ElemHideBase.fromText = function(text, d | 
| // Note: The ElemHide.prototype.domainSeparator is duplicated here, if that | 
| // changes this must be changed too. | 
| if (domain && /(^|,)~?(,|$)/.test(domain)) | 
| return new InvalidFilter(text, "filter_invalid_domain"); | 
| if (isException) | 
| return new ElemHideException(text, domain, selector); | 
| - if (selector.indexOf("[-abp-properties") != -1) | 
| + if ((selector.indexOf("[-abp-properties") != -1) || | 
| + (selector.indexOf(":has(") != -1)) | 
| { | 
| // Element hiding emulation filters are inefficient so we need to make sure | 
| // that they're only applied if they specify active domains | 
| if (!/,[^~][^,.]*\.[^,]/.test("," + domain)) | 
| return new InvalidFilter(text, "filter_elemhideemulation_nodomain"); | 
| return new ElemHideEmulationFilter(text, domain, selector); | 
| } | 
| @@ -1042,14 +1043,18 @@ ElemHideException.prototype = extend(Ele | 
| * @param {string} domains see ElemHideBase() | 
| * @param {string} selector see ElemHideBase() | 
| * @constructor | 
| * @augments ElemHideBase | 
| */ | 
| function ElemHideEmulationFilter(text, domains, selector) | 
| { | 
| ElemHideBase.call(this, text, domains, selector); | 
| + this.cssPropFilter = (selector.indexOf("[-abp-properties") != -1); | 
| + this.pseudoClassHas = (selector.indexOf(":has(") != -1); | 
| } | 
| exports.ElemHideEmulationFilter = ElemHideEmulationFilter; | 
| ElemHideEmulationFilter.prototype = extend(ElemHideBase, { | 
| - type: "elemhideemulation" | 
| + type: "elemhideemulation", | 
| + cssPropFilter: false, | 
| + pseudoClassHas: false | 
| }); |