Index: sysext/cms/tslib/class.tslib_pagegen.php =================================================================== --- sysext/cms/tslib/class.tslib_pagegen.php (revision 9879) +++ sysext/cms/tslib/class.tslib_pagegen.php (working copy) @@ -418,6 +418,7 @@ "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'; break; case 'xhtml_2' : + $GLOBALS['TSFE']->logDeprecatedTyposcript('Using XHTML 2.0 as a doctype is deprecated.'); $docTypeParts[] = '';