reduced multiple empty lines to exactly one

52 files changed, 0 insertions, 64 deletions

diff --git a/core/Access.php b/core/Access.php
index bd3dbbb6a1..00093e6e4f 100644
--- a/core/Access.php
+++ b/core/Access.php
@@ -289,7 +289,6 @@ class Access
         );
     }
 
-
     /**
      * Returns an array of ID sites for which the user has a VIEW access only.
      *
diff --git a/core/AssetManager/UIAsset/InMemoryUIAsset.php b/core/AssetManager/UIAsset/InMemoryUIAsset.php
index f3e3d47b6e..961537a384 100644
--- a/core/AssetManager/UIAsset/InMemoryUIAsset.php
+++ b/core/AssetManager/UIAsset/InMemoryUIAsset.php
@@ -45,7 +45,6 @@ class InMemoryUIAsset extends UIAsset
         return false;
     }
 
-
     public function writeContent($content)
     {
         $this->content = $content;
diff --git a/core/AssetManager/UIAssetMinifier.php b/core/AssetManager/UIAssetMinifier.php
index ad8bbb61a9..5f738092cc 100644
--- a/core/AssetManager/UIAssetMinifier.php
+++ b/core/AssetManager/UIAssetMinifier.php
@@ -23,7 +23,6 @@ class UIAssetMinifier extends Singleton
         parent::__construct();
     }
 
-
     /**
      * Indicates if the provided JavaScript content has already been minified or not.
      * The heuristic is based on a custom ratio : (size of file) / (number of lines).
diff --git a/core/CliMulti.php b/core/CliMulti.php
index f8b855d774..ac826c6ea2 100644
--- a/core/CliMulti.php
+++ b/core/CliMulti.php
@@ -211,7 +211,6 @@ class CliMulti {
         return SettingsPiwik::rewriteTmpPathWithInstanceId($dir);
     }
 
-
     private function executeAsyncCli($url, Output $output, $cmdId)
     {
         $this->processes[] = new Process($cmdId);
diff --git a/core/Config.php b/core/Config.php
index f71baa710a..8183b3fdc2 100644
--- a/core/Config.php
+++ b/core/Config.php
@@ -637,7 +637,6 @@ class Config extends Singleton
         return false;
     }
 
-
     /**
      * Write user configuration file
      *
diff --git a/core/CronArchive.php b/core/CronArchive.php
index 1549392876..b6a3dffdb0 100644
--- a/core/CronArchive.php
+++ b/core/CronArchive.php
@@ -689,7 +689,6 @@ class CronArchive
         $date = $this->getApiDateParameter($idSite, $period, $lastTimestampWebsiteProcessed);
         $url .= $this->getVisitsRequestUrl($idSite, $period, $date);
 
-
         $url .= self::APPEND_TO_API_REQUEST;
 
         $visitsInLastPeriods = $visitsLastPeriod = 0;
diff --git a/core/DataAccess/ArchivePurger.php b/core/DataAccess/ArchivePurger.php
index ffb00905cf..e0f94409a1 100644
--- a/core/DataAccess/ArchivePurger.php
+++ b/core/DataAccess/ArchivePurger.php
@@ -93,5 +93,4 @@ class ArchivePurger
 
     }
 
-
 }
diff --git a/core/DataAccess/ArchiveSelector.php b/core/DataAccess/ArchiveSelector.php
index ea406dafaf..fde4431d54 100644
--- a/core/DataAccess/ArchiveSelector.php
+++ b/core/DataAccess/ArchiveSelector.php
@@ -294,5 +294,4 @@ class ArchiveSelector
         " value = '" . ArchiveWriter::DONE_OK_TEMPORARY . "'))";
     }
 
-
 }
diff --git a/core/DataFiles/SearchEngines.php b/core/DataFiles/SearchEngines.php
index f8f69c8540..f171ab40a4 100644
--- a/core/DataFiles/SearchEngines.php
+++ b/core/DataFiles/SearchEngines.php
@@ -456,7 +456,6 @@ if (!isset($GLOBALS['Piwik_SearchEngines'])) {
         'image.search.smt.docomo.ne.jp'  => array('Google', 'MT'),
         'gfsoso.com'                     => array('Google', 'q'),
 
-
         // Google Earth
         // - 2010-09-13: are these redirects now?
         'www.googleearth.de'             => array('Google'),
@@ -703,7 +702,6 @@ if (!isset($GLOBALS['Piwik_SearchEngines'])) {
         'search.myway.com'               => array('MyWebSearch'),
         'search.mywebsearch.com'         => array('MyWebSearch'),
 
-
         // Najdi
         'www.najdi.si'                   => array('Najdi.si', 'q', 'search.jsp?q={k}'),
 
@@ -982,7 +980,6 @@ if (!isset($GLOBALS['Piwik_SearchEngines'])) {
         'video.search.yahoo.co.jp'       => array('Yahoo! Japan Videos', 'p', 'search?p={k}'),
         'image.search.yahoo.co.jp'       => array('Yahoo! Japan Images', 'p', 'search?p={k}'),
 
-
         // Yahoo
         'search.yahoo.com'               => array('Yahoo!', array('p', 'q'), 'search?p={k}'),
 //		'*.search.yahoo.com'		=> array('Yahoo!'), // see built-in helper in Common.php
diff --git a/core/DataTable/Renderer/Tsv.php b/core/DataTable/Renderer/Tsv.php
index 79a8cd6a23..cfffbf24a0 100644
--- a/core/DataTable/Renderer/Tsv.php
+++ b/core/DataTable/Renderer/Tsv.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik\DataTable\Renderer;
 
-
 /**
  * TSV export
  *
diff --git a/core/DataTable/Renderer/Xml.php b/core/DataTable/Renderer/Xml.php
index 055aa673da..a18e475d04 100644
--- a/core/DataTable/Renderer/Xml.php
+++ b/core/DataTable/Renderer/Xml.php
@@ -370,7 +370,6 @@ class Xml extends Renderer
                 continue;
             }
 
-
             // Handing case idgoal=7, creating a new array for that one
             $rowAttribute = '';
             if (strstr($rowId, '=') !== false) {
diff --git a/core/DataTable/TableNotFoundException.php b/core/DataTable/TableNotFoundException.php
index e722d96b55..a8e181deaf 100644
--- a/core/DataTable/TableNotFoundException.php
+++ b/core/DataTable/TableNotFoundException.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik\DataTable;
 
-
 class TableNotFoundException extends \Exception
 {
 
diff --git a/core/Db/Adapter.php b/core/Db/Adapter.php
index 4df8cb403e..6bafa3a653 100644
--- a/core/Db/Adapter.php
+++ b/core/Db/Adapter.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik\Db;
 
-
 use Piwik\Loader;
 use Zend_Db_Table;
 
diff --git a/core/Db/BatchInsert.php b/core/Db/BatchInsert.php
index 6dd02d5ee6..858dad4e38 100644
--- a/core/Db/BatchInsert.php
+++ b/core/Db/BatchInsert.php
@@ -205,7 +205,6 @@ class BatchInsert
         return false;
     }
 
-
     /**
      * Create CSV (or other delimited) files
      *
diff --git a/core/Db/Schema.php b/core/Db/Schema.php
index c54389fd75..e210de5835 100644
--- a/core/Db/Schema.php
+++ b/core/Db/Schema.php
@@ -29,7 +29,6 @@ class Schema extends Singleton
      */
     private $schema = null;
 
-
     /**
      * Get schema class name
      *
diff --git a/core/Db/Schema/Mysql.php b/core/Db/Schema/Mysql.php
index 6b04fa1f40..43a42f167d 100644
--- a/core/Db/Schema/Mysql.php
+++ b/core/Db/Schema/Mysql.php
@@ -132,7 +132,6 @@ class Mysql implements SchemaInterface
 									) ENGINE=$engine DEFAULT CHARSET=utf8
 			",
 
-
             'log_action'            => "CREATE TABLE {$prefixTables}log_action (
 									  idaction INTEGER(10) UNSIGNED NOT NULL AUTO_INCREMENT,
 									  name TEXT,
diff --git a/core/DeviceDetectorCache.php b/core/DeviceDetectorCache.php
index 70a6f68bb7..2c637aa95e 100644
--- a/core/DeviceDetectorCache.php
+++ b/core/DeviceDetectorCache.php
@@ -41,7 +41,6 @@ class DeviceDetectorCache extends CacheFile implements \DeviceDetector\Cache\Cac
         return parent::get($id);
     }
 
-
     /**
      * A function to store content a cache entry.
      *
diff --git a/core/Filechecks.php b/core/Filechecks.php
index ab25ae7d9d..33d0ed0696 100644
--- a/core/Filechecks.php
+++ b/core/Filechecks.php
@@ -117,7 +117,6 @@ class Filechecks
 
         $manifest = PIWIK_INCLUDE_PATH . '/config/manifest.inc.php';
 
-
         if (file_exists($manifest)) {
             require_once $manifest;
         }
diff --git a/core/Log.php b/core/Log.php
index db3961923d..4e505f7b63 100644
--- a/core/Log.php
+++ b/core/Log.php
@@ -365,7 +365,6 @@ class Log extends Singleton
         $this->currentLogLevel = $logLevel;
     }
 
-
     public function getLogLevel()
     {
         return $this->currentLogLevel;
diff --git a/core/Menu/MenuMain.php b/core/Menu/MenuMain.php
index aed7760752..5f27f3229e 100644
--- a/core/Menu/MenuMain.php
+++ b/core/Menu/MenuMain.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik\Menu;
 
-
 /**
  * @deprecated since 2.4.0
  * @see MenuReporting
diff --git a/core/Menu/MenuTop.php b/core/Menu/MenuTop.php
index 86fc1ab0c6..55c09c57af 100644
--- a/core/Menu/MenuTop.php
+++ b/core/Menu/MenuTop.php
@@ -9,7 +9,6 @@
 namespace Piwik\Menu;
 use Piwik\Piwik;
 
-
 /**
  * Contains menu entries for the Top menu (the menu at the very top of the page).
  * Plugins can implement the `configureTopMenu()` method of the `Menu` plugin class to add, rename of remove
diff --git a/core/Metrics.php b/core/Metrics.php
index 8ac04a9a39..4af30600d3 100644
--- a/core/Metrics.php
+++ b/core/Metrics.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik;
 
-
 use Piwik\Cache\LanguageAwareStaticCache;
 use Piwik\Cache\PluginAwareStaticCache;
 
diff --git a/core/Period.php b/core/Period.php
index bff447dc5e..868ead7f13 100644
--- a/core/Period.php
+++ b/core/Period.php
@@ -92,7 +92,6 @@ abstract class Period
             && $period != 'range';
     }
 
-
     /**
      * Returns the first day of the period.
      *
diff --git a/core/Period/Factory.php b/core/Period/Factory.php
index abf4c9aed0..b490956531 100644
--- a/core/Period/Factory.php
+++ b/core/Period/Factory.php
@@ -39,7 +39,6 @@ class Factory
             $date = Date::factory($date);
         }
 
-
         switch ($period) {
             case 'day':
                 return new Day($date);
@@ -78,7 +77,6 @@ class Factory
         throw new Exception($message);
     }
 
-
     /**
      * Creates a Period instance using a period, date and timezone.
      *
diff --git a/core/Period/Week.php b/core/Period/Week.php
index 80aba977c1..f7b7264943 100644
--- a/core/Period/Week.php
+++ b/core/Period/Week.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik\Period;
 
-
 use Piwik\Period;
 use Piwik\Piwik;
 
diff --git a/core/Piwik.php b/core/Piwik.php
index c723c541ca..4c4f6fba74 100644
--- a/core/Piwik.php
+++ b/core/Piwik.php
@@ -381,7 +381,6 @@ class Piwik
         return false;
     }
 
-
     /**
      * Returns true if the current user has Super User access.
      *
@@ -743,7 +742,6 @@ class Piwik
         return false;
     }
 
-
     /**
      * Returns the class name of an object without its namespace.
      *
@@ -757,7 +755,6 @@ class Piwik
         return end($parts);
     }
 
-
     /**
      * Post an event to Piwik's event dispatcher which will execute the event's observers.
      *
diff --git a/core/Plugin/Manager.php b/core/Plugin/Manager.php
index 994aabc6e7..baf63c5cb2 100644
--- a/core/Plugin/Manager.php
+++ b/core/Plugin/Manager.php
@@ -562,7 +562,6 @@ class Manager extends Singleton
         return $plugins;
     }
 
-
     protected static function isManifestFileFound($path)
     {
         return file_exists($path . "/" . MetadataLoader::PLUGIN_JSON_FILENAME);
@@ -602,7 +601,6 @@ class Manager extends Singleton
         return false;
     }
 
-
     /**
      * Load the specified plugins.
      *
@@ -804,7 +802,6 @@ class Manager extends Singleton
         return $ignored;
     }
 
-
     /**
      * Returns the name of all plugins found in this Piwik instance
      * (including those not enabled and themes)
@@ -822,7 +819,6 @@ class Manager extends Singleton
         return $pluginsToLoad;
     }
 
-
     /**
      * Loads the plugin filename and instantiates the plugin with the given name, eg. UserCountry
      *
diff --git a/core/Profiler.php b/core/Profiler.php
index 6eeba2c973..e9297464ee 100644
--- a/core/Profiler.php
+++ b/core/Profiler.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik;
 
-
 /**
  * Class Profiler helps with measuring memory, and profiling the database.
  * To enable set in your config.ini.php
diff --git a/core/ProxyHeaders.php b/core/ProxyHeaders.php
index 5cd8e74edd..3cefeb238c 100644
--- a/core/ProxyHeaders.php
+++ b/core/ProxyHeaders.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik;
 
-
 /**
  * Proxy headers
  *
diff --git a/core/ProxyHttp.php b/core/ProxyHttp.php
index ec62eca296..cb1fa654d3 100644
--- a/core/ProxyHttp.php
+++ b/core/ProxyHttp.php
@@ -193,7 +193,6 @@ class ProxyHttp
         !empty($autoAppendFile);
     }
 
-
     /**
      * Workaround IE bug when downloading certain document types over SSL and
      * cache control headers are present, e.g.,
@@ -220,7 +219,6 @@ class ProxyHttp
         }
     }
 
-
     /**
      * Set response header, e.g., HTTP/1.0 200 Ok
      *
diff --git a/core/SettingsServer.php b/core/SettingsServer.php
index 6c172c3ecf..fc9d5f6bc1 100644
--- a/core/SettingsServer.php
+++ b/core/SettingsServer.php
@@ -40,7 +40,6 @@ class SettingsServer
         return !empty($GLOBALS['PIWIK_TRACKER_MODE']);
     }
 
-
     /**
      * Returns `true` if running on Microsoft IIS 7 (or above), `false` if otherwise.
      *
diff --git a/core/TaskScheduler.php b/core/TaskScheduler.php
index 602c1987a6..6d94d591a1 100644
--- a/core/TaskScheduler.php
+++ b/core/TaskScheduler.php
@@ -82,7 +82,6 @@ class TaskScheduler extends Singleton
         return self::getInstance()->doRunTasks();
     }
 
-
     // for backwards compatibility
     private function collectTasksRegisteredViaEvent()
     {
diff --git a/core/Tracker.php b/core/Tracker.php
index d3c750ac62..7f9304feca 100644
--- a/core/Tracker.php
+++ b/core/Tracker.php
@@ -890,7 +890,6 @@ class Tracker
         return $isAuthenticated;
     }
 
-
     protected function runScheduledTasksIfAllowed($isAuthenticated)
     {
         // Do not run schedule task if we are importing logs
@@ -914,5 +913,4 @@ class Tracker
         return file_get_contents("php://input");
     }
 
-
 }
diff --git a/core/Tracker/Db/Mysqli.php b/core/Tracker/Db/Mysqli.php
index 2cd5e5f141..78e2d9ee29 100644
--- a/core/Tracker/Db/Mysqli.php
+++ b/core/Tracker/Db/Mysqli.php
@@ -27,7 +27,6 @@ class Mysqli extends Db
     protected $charset;
     protected $activeTransaction = false;
 
-
     /**
      * Builds the DB object
      *
diff --git a/core/Tracker/GoalManager.php b/core/Tracker/GoalManager.php
index c7e55747d3..fbc73381aa 100644
--- a/core/Tracker/GoalManager.php
+++ b/core/Tracker/GoalManager.php
@@ -828,7 +828,6 @@ class GoalManager
         return $match;
     }
 
-
     /**
      * @param ConversionDimension[] $dimensions
      * @param string $hook
diff --git a/core/Tracker/PageUrl.php b/core/Tracker/PageUrl.php
index 083141a249..1d8486eda0 100644
--- a/core/Tracker/PageUrl.php
+++ b/core/Tracker/PageUrl.php
@@ -63,7 +63,6 @@ class PageUrl
         return $url;
     }
 
-
     /**
      * Returns the array of parameters names that must be excluded from the Query String in all tracked URLs
      * @static
@@ -96,7 +95,6 @@ class PageUrl
         return $parametersToExclude;
     }
 
-
     /**
      * Returns true if URL fragments should be removed for a specific site,
      * false if otherwise.
diff --git a/core/Tracker/TableLogAction.php b/core/Tracker/TableLogAction.php
index 979aaf8a5e..6ebc6d60ff 100644
--- a/core/Tracker/TableLogAction.php
+++ b/core/Tracker/TableLogAction.php
@@ -13,7 +13,6 @@ use Piwik\Common;
 use Piwik\SegmentExpression;
 use Piwik\Tracker;
 
-
 /**
  * This class is used to query Action IDs from the log_action table.
  *
@@ -176,7 +175,6 @@ class TableLogAction
         return array($fieldNameToActionId, $fieldNamesToInsert);
     }
 
-
     /**
      * Convert segment expression to an action ID or an SQL expression.
      *
diff --git a/core/Translate/Filter/ByBaseTranslations.php b/core/Translate/Filter/ByBaseTranslations.php
index 755c669e2b..8a2e095d95 100644
--- a/core/Translate/Filter/ByBaseTranslations.php
+++ b/core/Translate/Filter/ByBaseTranslations.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Translate\Filter;
 
-
 /**
  */
 class ByBaseTranslations extends FilterAbstract
diff --git a/core/Translate/Filter/ByParameterCount.php b/core/Translate/Filter/ByParameterCount.php
index 72f7fd24d4..74be50d26d 100644
--- a/core/Translate/Filter/ByParameterCount.php
+++ b/core/Translate/Filter/ByParameterCount.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Translate\Filter;
 
-
 /**
  */
 class ByParameterCount extends FilterAbstract
diff --git a/core/Translate/Filter/EmptyTranslations.php b/core/Translate/Filter/EmptyTranslations.php
index 3c67f1f50d..75e3e6536f 100644
--- a/core/Translate/Filter/EmptyTranslations.php
+++ b/core/Translate/Filter/EmptyTranslations.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Translate\Filter;
 
-
 /**
  */
 class EmptyTranslations extends FilterAbstract
diff --git a/core/Translate/Filter/EncodedEntities.php b/core/Translate/Filter/EncodedEntities.php
index 58b7d08471..b7e3d6a54e 100644
--- a/core/Translate/Filter/EncodedEntities.php
+++ b/core/Translate/Filter/EncodedEntities.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Translate\Filter;
 
-
 use Piwik\Translate;
 
 /**
diff --git a/core/Translate/Filter/UnnecassaryWhitespaces.php b/core/Translate/Filter/UnnecassaryWhitespaces.php
index b104b30a1c..61211fc8ab 100644
--- a/core/Translate/Filter/UnnecassaryWhitespaces.php
+++ b/core/Translate/Filter/UnnecassaryWhitespaces.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Translate\Filter;
 
-
 /**
  */
 class UnnecassaryWhitespaces extends FilterAbstract
diff --git a/core/Translate/Validate/CoreTranslations.php b/core/Translate/Validate/CoreTranslations.php
index 68de662f23..9fbfc39b8d 100644
--- a/core/Translate/Validate/CoreTranslations.php
+++ b/core/Translate/Validate/CoreTranslations.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Translate\Validate;
 
-
 use Piwik\Common;
 
 /**
diff --git a/core/Translate/Writer.php b/core/Translate/Writer.php
index 391decdc89..617b8b9552 100644
--- a/core/Translate/Writer.php
+++ b/core/Translate/Writer.php
@@ -207,7 +207,6 @@ class Writer
         return sprintf('%s/%s/%s.json', PIWIK_INCLUDE_PATH, $base, $lang);
     }
 
-
     /**
      * Converts translations to a string that can be written to a file
      *
diff --git a/core/Unzip/Gzip.php b/core/Unzip/Gzip.php
index aa7d07f315..16f08abf0a 100755
--- a/core/Unzip/Gzip.php
+++ b/core/Unzip/Gzip.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Unzip;
 
-
 /**
  * Unzip implementation for .gz files.
  *
diff --git a/core/Unzip/PclZip.php b/core/Unzip/PclZip.php
index 4d0ce536a9..b0ce4b3a75 100644
--- a/core/Unzip/PclZip.php
+++ b/core/Unzip/PclZip.php
@@ -8,7 +8,6 @@
  */
 namespace Piwik\Unzip;
 
-
 /**
  * @see libs/PclZip
  */
diff --git a/core/Updates/1.2.5-rc7.php b/core/Updates/1.2.5-rc7.php
index 94671da038..85ce3792f1 100644
--- a/core/Updates/1.2.5-rc7.php
+++ b/core/Updates/1.2.5-rc7.php
@@ -31,4 +31,3 @@ class Updates_1_2_5_rc7 extends Updates
     }
 }
 
-
diff --git a/core/Updates/1.5-b1.php b/core/Updates/1.5-b1.php
index 4157a8c115..9661fe3213 100644
--- a/core/Updates/1.5-b1.php
+++ b/core/Updates/1.5-b1.php
@@ -9,7 +9,6 @@
 
 namespace Piwik\Updates;
 
-
 use Piwik\Common;
 use Piwik\Updater;
 use Piwik\Updates;
diff --git a/core/Updates/1.9-b16.php b/core/Updates/1.9-b16.php
index ceded83024..d6b1c04a09 100755
--- a/core/Updates/1.9-b16.php
+++ b/core/Updates/1.9-b16.php
@@ -29,7 +29,6 @@ class Updates_1_9_b16 extends Updates
 			CHANGE `idaction_url` `idaction_url` INT( 10 ) UNSIGNED NULL DEFAULT NULL'
             => false,
 
-
             'ALTER TABLE  `' . Common::prefixTable('log_visit') . '`
 			ADD visit_total_searches SMALLINT(5) UNSIGNED NOT NULL AFTER `visit_total_actions`'
             => 1060,
diff --git a/core/Updates/1.9-b19.php b/core/Updates/1.9-b19.php
index da223fabb6..87d46f856a 100755
--- a/core/Updates/1.9-b19.php
+++ b/core/Updates/1.9-b19.php
@@ -33,7 +33,6 @@ class Updates_1_9_b19 extends Updates
     {
         Updater::updateDatabase(__FILE__, self::getSql());
 
-
         try {
             \Piwik\Plugin\Manager::getInstance()->activatePlugin('Transitions');
         } catch (\Exception $e) {
diff --git a/core/Updates/2.3.0-rc2.php b/core/Updates/2.3.0-rc2.php
index 55219b4f92..052a314a86 100644
--- a/core/Updates/2.3.0-rc2.php
+++ b/core/Updates/2.3.0-rc2.php
@@ -22,5 +22,4 @@ class Updates_2_3_0_rc2 extends Updates
         ServerFilesGenerator::createHtAccessFiles();
     }
 
-
 }
diff --git a/core/UrlHelper.php b/core/UrlHelper.php
index 485b5ec7bf..70807a8601 100644
--- a/core/UrlHelper.php
+++ b/core/UrlHelper.php
@@ -234,7 +234,6 @@ class UrlHelper
         return $result;
     }
 
-
     /**
      * Extracts a keyword from a raw not encoded URL.
      * Will only extract keyword if a known search engine has been detected.