This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
Created attachment 1088 [details] Small HTML file that can be used to recreate the error. The following error is produced when trying to validate a page with http-equiv="expires". Validation Output: 1 Error Line 7, Column 66: Bad value expires for attribute http-equiv on element meta. <meta http-equiv="expires" content="Thu, 08 Mar 2012 00:30:36 GMT"/>
html5 doesn't allow http-equiv=expires The only allowed values for http-equiv are content-language, content-type, default-style, default-style, set-cookie