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PragmaExtensions: Difference between revisions

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This page lists the allowed extension values for the http-equiv="" attribute of the <meta> element in HTML5. For the detailed registration requirements, [http://www.whatwg.org/html#concept-http-equiv-extensions see the specification].
{{Obsolete}}


{| 
This page formerly hosted a registry for [https://html.spec.whatwg.org/multipage/semantics.html#pragma-directives http-equiv pragma directives] for the <code>meta</code> element. As of https://github.com/whatwg/html/commit/72d084b81fa94915518b9cf279afef87d835e88e, that model has been abandoned, and further pragma directives must go through the normal standards process for new features instead.
! Keyword
! Brief description
! Specification
|-
| PICS-Label
| Labels that help content advisory software protect children from potentially harmful material [[http://www.fosi.org/icra/ more]]
| [http://www.w3.org/TR/REC-PICS-labels/ PICS Label Distribution Label Syntax and Communication Protocols]
|-
| x-dns-prefetch-control
| Allows turning prefetching "on" or "off". There's an equivalent HTTP header. Which takes precedence is undefined. Needed for [http://www.pinkbike.com/news/DNS-Prefetching-implications.html]
| [https://developer.mozilla.org/en/controlling_dns_prefetching Controlling DNS prefetching]
|-
| x-ua-compatible
| Allows to control the way Microsoft Internet Explorer renders webpages (Document compatibility modes, e.g. content="IE=edge") and to enable Google Chrome's open web technologies (Google Chrome Frame, e.g. content="chrome=1") if previously installed. See also: [https://github.com/paulirish/html5-boilerplate/blob/master/index.html HTML5 Boilerplate]
| [http://msdn.microsoft.com/en-us/library/cc288325(v=vs.85).aspx MSDN - Defining Document Compatibility]
[http://www.chromium.org/developers/how-tos/chrome-frame-getting-started Google Chrome Frame: Developer Guide]
|}
 
[[Category:Registries]]

Latest revision as of 22:49, 13 December 2017

This document is obsolete.


This page formerly hosted a registry for http-equiv pragma directives for the meta element. As of https://github.com/whatwg/html/commit/72d084b81fa94915518b9cf279afef87d835e88e, that model has been abandoned, and further pragma directives must go through the normal standards process for new features instead.

Retrieved from "https://wiki.whatwg.org/index.php?title=PragmaExtensions&oldid=10239"