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4 changes: 2 additions & 2 deletions fullscreen.bs
Original file line number Diff line number Diff line change
Expand Up @@ -725,8 +725,8 @@ user agent or even operating system environment when fullscreen. See also the de
<p>To enable content in a <a>nested browsing context</a> to go fullscreen, it needs to be
specifically allowed via feature policy, either through the <{iframe/allowfullscreen}> attribute of
the HTML <{iframe}> element, or an appropriate declaration in the <{iframe/allow}> attribute of the
HTML <{iframe}> element, or through a `<a http-header><code>Feature-Policy</code></a>` HTTP header
delivered with the <a>document</a> through which it is nested.
HTML <{iframe}> element, or through a `<a http-header><code>Permissions-Policy</code></a>` HTTP
header delivered with the <a>document</a> through which it is nested.

<p>This prevents e.g. content from third parties to go fullscreen without explicit permission.

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