add new 'urlseparator' option

content/util.js

@@ -278,7 +278,7 @@ liberator.util = { //{{{
     // and returns an array ['www.google.com/search?q=bla', 'www.osnews.com']
     stringToURLArray: function (str)
     {
-        var urls = str.split(/\s*\,\s+/);
+        var urls = str.split(new RegExp("\s*" + liberator.options["urlseparator"] + "\s*"));
 
         begin: for (var url = 0; url < urls.length; url++)
         {

content/vimperator.js

@@ -375,6 +375,10 @@ liberator.config = { //{{{
                            getService(Components.interfaces.nsIIOService2).offline;
                 }
             });
+
+        liberator.options.add(["urlseparator"],
+            "Set the separator regexp used to split URL args",
+            "string", ",\\s");
     }
     //}}}
 }; //}}}