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PragmaExtensions: Difference between revisions

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(→‎Proposed extensions: Per https://html.spec.whatwg.org/#attr-meta-http-equiv-x-ua-compatible , X-UA-Compatible is now part of the HTML spec itself and no longer a proposed extension)
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This page lists allowed and proposed extension values for the http-equiv="" attribute of the <meta> element in HTML. For the detailed registration requirements, [http://www.whatwg.org/html#concept-http-equiv-extensions see the specification].
{{Obsolete}}


== Allowed extensions ==
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.
 
The following extensions conform to all the registration requirements in the HTML spec and are therefore allowed in valid documents.
 
{| class="wikitable"
! 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]
|}
 
== Proposed extensions ==
 
The following proposed extensions do not yet conform to all the registration requirements in the HTML spec and are therefore not yet allowed in valid documents.
 
{| class="wikitable"
! Keyword
! Brief description
! Specification
|-
| x-dns-prefetch-control
| Allows turning prefetching "on" or "off". There's an equivalent HTTP header. Which takes precedence is undefined.
| [https://developer.mozilla.org/En/Controlling_DNS_prefetching Controlling DNS prefetching]
|}
 
[[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This document is obsolete.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.

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