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From http://www.w3schools.com/html5/tag_head.asp
"The profile attribute is not supported in HTML5"
Comments
Comment #1
amateescu CreditAttribution: amateescu commentedFrom this discussion: http://groups.drupal.org/node/124804 , it seems that we shouldn't remove it just yet. Also, this is a job for HTML5 Base because the code is in html.tpl.php.
Comment #2
jensimmons CreditAttribution: jensimmons commented