Index: typo3/sysext/cms/ext_tables.php
===================================================================
--- typo3/sysext/cms/ext_tables.php	(revision 8748)
+++ typo3/sysext/cms/ext_tables.php	(working copy)
@@ -644,6 +644,7 @@
 		'versioning_followPages' => true,
 		'origUid' => 't3_origuid',
 		'type' => 'CType',
+		'hideAtCopy' => true,
 		'prependAtCopy' => 'LLL:EXT:lang/locallang_general.xml:LGL.prependAtCopy',
 		'copyAfterDuplFields' => 'colPos,sys_language_uid',
 		'useColumnsForDefaultValues' => 'colPos,sys_language_uid',
Index: typo3/sysext/cms/layout/db_layout.php
===================================================================
--- typo3/sysext/cms/layout/db_layout.php	(revision 8748)
+++ typo3/sysext/cms/layout/db_layout.php	(working copy)
@@ -385,6 +385,9 @@
 			// For all elements to be shown in draft workspaces:
 		if ($GLOBALS['BE_USER']->workspace!=0)	{
 			$this->MOD_SETTINGS['tt_content_showHidden'] = 1;
+			// Show also hidden elements by default if user hasn't disabled the option
+		} elseif ($this->MOD_SETTINGS['tt_content_showHidden'] !== '0') {
+			$this->MOD_SETTINGS['tt_content_showHidden'] = 1;
 		}
 	}