diff -ru typo3_src-6.1.0rc1.a/typo3/sysext/core/Classes/Utility/GeneralUtility.php typo3_src-6.1.0rc1.b/typo3/sysext/core/Classes/Utility/GeneralUtility.php
--- typo3_src-6.1.0rc1.a/typo3/sysext/core/Classes/Utility/GeneralUtility.php	2013-04-25 08:02:01.000000000 +0000
+++ typo3_src-6.1.0rc1.b/typo3/sysext/core/Classes/Utility/GeneralUtility.php	2013-04-28 04:52:03.000000000 +0000
@@ -4768,13 +4768,15 @@
 		if (!$GLOBALS['TYPO3_CONF_VARS']['SYS']['enableDeprecationLog']) {
 			return;
 		}
-		$log = $GLOBALS['TYPO3_CONF_VARS']['SYS']['enableDeprecationLog'];
-		$date = date($GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'] . ' ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'] . ': ');
 		// Legacy values (no strict comparison, $log can be boolean, string or int)
+		$log = $GLOBALS['TYPO3_CONF_VARS']['SYS']['enableDeprecationLog'];
 		if ($log === TRUE || $log == '1') {
-			$log = 'file';
+			$log = array('file');
+		} else {
+			$log = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $GLOBALS['TYPO3_CONF_VARS']['SYS']['enableDeprecationLog'], TRUE);
 		}
-		if (stripos($log, 'file') !== FALSE) {
+		$date = date($GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'] . ' ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'] . ': ');
+		if (in_array('file', $log) !== FALSE) {
 			// In case lock is acquired before autoloader was defined:
 			if (class_exists('TYPO3\\CMS\\Core\\Locking\\Locker') === FALSE) {
 				require_once ExtensionManagementUtility::extPath('core') . 'Classes/Locking/Locker.php';
@@ -4793,12 +4795,12 @@
 			}
 			$lockObject->release();
 		}
-		if (stripos($log, 'devlog') !== FALSE) {
+		if (in_array('devlog', $log) !== FALSE) {
 			// Copy message also to the developer log
 			self::devLog($msg, 'Core', self::SYSLOG_SEVERITY_WARNING);
 		}
 		// Do not use console in login screen
-		if (stripos($log, 'console') !== FALSE && isset($GLOBALS['BE_USER']->user['uid'])) {
+		if (in_array('console', $log) !== FALSE && isset($GLOBALS['BE_USER']->user['uid'])) {
 			\TYPO3\CMS\Core\Utility\DebugUtility::debug($msg, $date, 'Deprecation Log');
 		}
 	}
diff -ru typo3_src-6.1.0rc1.a/typo3/sysext/core/Configuration/DefaultConfiguration.php typo3_src-6.1.0rc1.b/typo3/sysext/core/Configuration/DefaultConfiguration.php
--- typo3_src-6.1.0rc1.a/typo3/sysext/core/Configuration/DefaultConfiguration.php	2013-04-25 08:02:00.000000000 +0000
+++ typo3_src-6.1.0rc1.b/typo3/sysext/core/Configuration/DefaultConfiguration.php	2013-04-28 03:45:35.000000000 +0000
@@ -122,7 +122,7 @@
 		'phpTimeZone' => '',					// String: timezone to force for all date() and mktime() functions. A list of supported values can be found at <a href="http://php.net/manual/en/timezones.php" target="_blank">php.net</a>. If this is not set, a valid fallback will be searched for by PHP (php.ini's <a href="http://www.php.net/manual/en/datetime.configuration.php#ini.date.timezone" target="_blank">date.timezone</a> setting, server defaults, etc); and if no fallback is found, the value of "UTC" is used instead.
 		'systemLog' => '',						// <p>String: semi-colon separated list. Defines one or more logging methods. Possible methods:</p><dl><dt>file,&lt;abs-path-to-file&gt;[,&lt;level&gt;]</dt><dd>logs to a file</dd><dt>mail,&lt;to&gt;[/&lt;from&gt;][,&lt;level&gt;]</dt><dd>sends the log entries via mail</dd><dt>syslog,&lt;facility&gt;,[,&lt;level&gt;]</dt><dd>uses the operating system's log. Facility may be one of LOCAL0..LOCAL7, USER (on Windows USER is the only valid type).</dd><dt>error_log[,,&lt;level&gt;]</dt><dd>uses the PHP error log</dd></dl><p>The &lt;level&gt; is the individual logging level (see <a href="#SYS-systemLogLevel">[SYS][systemLogLevel]</a>).</p>
 		'systemLogLevel' => 0,					// <p>Integer (0, 1, 2, 3, 4): Only messages with same or higher severity are logged.</p><ul><li>0: info</li><li>1: notice</li><li>2: warning</li><li>3: error</li><li>4: fatal error</li></ul>
-		'enableDeprecationLog' => 'file',		// Commalist: Enables the logging of deprecated methods and functions. Default is 'file'. The following options are allowed: <dl><dt>file</dt><dd>The log file will be written to typo3conf/deprecation_[hash-value].log</dd><dt>devlog</dt><dd>The log will be written to the development log</dd><dt>console<dt><dd>The log will be displayed in the Backend's Debug Console. The logging options can be combined by comma-separating them.</dd></dl>
+		'enableDeprecationLog' => 'file',		// If set, this configuration enables the logging of deprecated methods and functions. The following options are allowed: <dl><dt>String: &quot;file&quot; (or integer &quot;1&quot;)</dt><dd>The log file will be written to typo3conf/deprecation_[hash-value].log</dd><dt>String: &quot;devlog&quot;</dt><dd>The log will be written to the development log</dd><dt>String: &quot;console&quot;<dt><dd>The log will be displayed in the Backend's Debug Console.</dd></dl>Logging options &quot;file&quot;, &quot;devlog&quot; and &quot;console&quot; can be combined by comma-separating them. Default is &quot;file&quot;.
 		'maxFileNameLength' => 60,				// Integer: This is the maximum file name length. The value will be taken into account by basic file operations like renaming or creation of files and folders.
 		'UTF8filesystem' => FALSE,				// Boolean: If TRUE then TYPO3 uses utf-8 to store file names. This allows for accented Latin letters as well as any other non-latin characters like Cyrillic and Chinese.
 		'systemLocale' => '',					// String: locale used for certain system related functions, e.g. escaping shell commands. If problems with filenames containing special characters occur, the value of this option is probably wrong. See <a href="http://php.net/manual/en/function.setlocale.php" target="_blank">setlocale()</a>.
@@ -741,4 +741,4 @@
 	),
 	'SVCONF' => array()
 );
-?>
\ No newline at end of file
+?>
