12040 2011-02-11 19:34:53 +0000 missing Mhead> tag not accounted for 2015-08-23 07:07:25 +0000 1 1 1 Unclassified HTML Checker General unspecified PC Windows XP RESOLVED INVALID P2 normal --- 1 tm_ray mike www-validator-cvs oldest_to_newest 45393 0 tm_ray 2011-02-11 19:34:53 +0000 The following code will validate as HTML5: <!doctype html> <html> <title>Test</title> </head> <body> </body> </html> The head tag is missing its open tag but still has the close tag. 47146 1 mike 2011-04-05 07:28:00 +0000 The text/html syntax of the HTML language has always permitted the head start tag to be omitted; see: http://dev.w3.org/html5/markup/head.html#head-tags In a conforming HTML5 parser, the head start tag is implied by the start tag for the title element, meaning that the parser essentially injects the head start tag into the DOM when it fines the title start tage