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Bug 739 - Error for http-equiv on element data
Error for http-equiv on element data
Status: RESOLVED INTENTIONAL
Product: Validator.nu
Classification: Unclassified
Component: ARIA
HEAD
All All
: P2 normal
Assigned To: Nobody
http://alfa.gs/stratfor/web/web.html
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2010-04-28 14:38 CEST by matenji
Modified: 2010-05-06 10:14 CEST (History)
1 user (show)

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Description matenji 2010-04-28 14:38:44 CEST
Bad value X-UA-Compatible for attribute http-equiv on element meta. 
<meta http-equiv="X-UA-Compatible" content="chrome=1">
Comment 1 Michael[tm] Smith 2010-05-06 10:14:29 CEST
The HTML5 spec by design does not allow arbitrary values for the http-equiv attribute:

  http://dev.w3.org/html5/spec/semantics.html#attr-meta-http-equiv

It only allows the values content-language, content-type, default-style, and refresh. It requires that any values other than those be reported as errors. So for the case of http-equiv=X-UA-Compatible, validator.nu conforms to the current spec and reports it as an error