22053 2013-05-15 21:49:53 +0000 SKYPE_TOOLBAR *is* defined in whatwg yet error raised in html5 2015-08-23 07:07:29 +0000 1 1 1 Unclassified HTML Checker General unspecified PC other RESOLVED FIXED P2 normal --- 1 w3org-john mike+validator mike www-validator-cvs oldest_to_newest 87739 0 w3org-john 2013-05-15 21:49:53 +0000 http://wiki.whatwg.org/wiki/MetaExtensions yet I get this error still Bad value skype_toolbar for attribute name on element meta: Keyword skype_toolbar is not registered. for <meta name="SKYPE_TOOLBAR" content="SKYPE_TOOLBAR_PARSER_COMPATIBLE" /> whether like that or all lower case Oh, and for the OS select above... windows vista/7/8 are not listed 89891 1 mike 2013-06-26 13:32:05 +0000 Fixed. Thanks for reporting it