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Accept header for prefetch #1485

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merged 10 commits into from
Jan 17, 2023
Merged

Accept header for prefetch #1485

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0ab9cc0
Accept header for prefetch
noamr Sep 6, 2022
b15a255
Move document Accept to constant
noamr Sep 7, 2022
4fd1997
nit
noamr Sep 27, 2022
a159aee
Make sec-purpose:prefetch cors-safelisted
noamr Nov 29, 2022
f9aef61
Remove cors thingy
noamr Nov 30, 2022
4c9a53e
Update fetch.bs
noamr Jan 13, 2023
bd07f15
Update fetch.bs
noamr Jan 13, 2023
36d5623
Update fetch.bs
noamr Jan 13, 2023
a005552
Remove newline
noamr Jan 13, 2023
02e6fe0
address nits
annevk Jan 16, 2023
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12 changes: 9 additions & 3 deletions fetch.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -1296,6 +1296,9 @@ downloads. This format of range header value can be set using <a>add a range hea
<a>implementation-defined</a> <a for=/>header value</a> for the `<code>User-Agent</code>`
<a for=/>header</a>.

<p>The <dfn>document `<code>Accept</code>` header value</dfn> is
`<code>text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8</code>`.
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<h4 id=statuses>Statuses</h4>

Expand Down Expand Up @@ -4189,16 +4192,19 @@ the request.
<ol>
<li><p>Let <var>value</var> be `<code>*/*</code>`.

<li><p>If <var>request</var>'s <a for=request>initiator</a> is "<code>prefetch</code>", then set
<var>value</var> to the <a>document `<code>Accept</code>` header value</a>.

<li>
<p>A user agent should set <var>value</var> to the first matching statement, if any, switching
on <var>request</var>'s <a for=request>destination</a>:
<p>Otherwise, the user agent should set <var>value</var> to the first matching statement, if
any, switching on <var>request</var>'s <a for=request>destination</a>:
<!-- https://github.com/whatwg/fetch/issues/43#issuecomment-97909717 -->

<dl class=switch>
<dt>"<code>document</code>"
<dt>"<code>frame</code>"
<dt>"<code>iframe</code>"
<dd>`<code>text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8</code>`
<dd>the <a>document `<code>Accept</code>` header value</a>

<dt>"<code>image</code>"
<dd>`<code>image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5</code>`
Expand Down