| Index: lib/synchronizer.js | 
| =================================================================== | 
| --- a/lib/synchronizer.js | 
| +++ b/lib/synchronizer.js | 
| @@ -306,17 +306,17 @@ let Synchronizer = exports.Synchronizer | 
| if (!(subscription.url in FilterStorage.knownSubscriptions)) | 
| return; | 
|  | 
| let match = /^(\d+)(?:\s+(\S+))?$/.exec(request.responseText); | 
| if (match && match[1] == "301" && match[2] && /^https?:\/\//i.test(match[2])) // Moved permanently | 
| redirectCallback(match[2]); | 
| else if (match && match[1] == "410")        // Gone | 
| { | 
| -            let data = "[Adblock]\n" + subscription.filters.map(function(f) f.text).join("\n"); | 
| +            let data = "[Adblock]\n" + subscription.filters.map(function(f) { return f.text; }).join("\n"); | 
| redirectCallback("data:text/plain," + encodeURIComponent(data)); | 
| } | 
| }, false); | 
| request.send(null); | 
| } | 
| } | 
| }, | 
| }; | 
|  |