10459 2010-08-27 00:31:01 +0000 Frame start tag unexpectedly not recognized 2011-08-23 21:36:39 +0000 1 1 1 Unclassified Validator Parser 1.0 All All VERIFIED INVALID http://validator.w3.org/check?uri=http%3A%2F%2Ftest.csswg.org%2Fsuites%2Fcss2.1%2F20100815%2Fhtml4%2Fviewport-004.htm&charset=%28detect+automatically%29&doctype=Inline&ss=1&group=0&user-agent=W3C_Validator%2F1.1 P2 normal --- 1 info dave.null ville.skytta www-validator-cvs oldest_to_newest 37970 0 info 2010-08-27 00:31:01 +0000 URL where the problem was first discovered ------------------------------------------ http://test.csswg.org/suites/css2.1/20100815/html4/viewport-004.htm Relevant code ------------- <frameset cols="*,*"> <frame src="support/viewport-004-firstcanvas.htm"></frame> <frame src="support/viewport-004-secondcanvas.htm"></frame> <noframes> <body> <p>Test passes if this text is visible.</p> </body> </noframes> </frameset> W3C Markup Validator version ---------------------------- v1.1 The W3C validator error message { end tag for element "FRAME" which is not open (check earlier errors) .} seems to indicate that start tag <frame> is not seen. I have checked with other validators ( WDG, http://validator.progysm.com/check.php , http://valet.webthing.com/page/validate ) and the error message is the same. </frame> end tag is optional: <!ELEMENT FRAME - O EMPTY -- subwindow --> http://www.w3.org/TR/html4/present/frames.html#h-16.2.2 I can create a reduced testcase if required, requested. regards, Gérard 55708 1 ville.skytta 2011-08-23 19:11:11 +0000 (In reply to comment #0) > </frame> end tag is optional: > <!ELEMENT FRAME - O EMPTY -- subwindow --> > http://www.w3.org/TR/html4/present/frames.html#h-16.2.2 http://www.w3.org/TR/html401/intro/sgmltut.html#h-3.3.3 | The hyphen and the following "O" indicate that the end tag can be omitted, but | together with the content model "EMPTY", this is strengthened to the rule that | the end tag must be omitted. 55738 2 info 2011-08-23 21:36:39 +0000 Ville, Good catch! I missed that completely! Thank you! Marking as VERIFIED regards, Gérard