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Override "Accept-Language" header if WebDriver BiDi emulated language is present. #1869

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Override "Accept-Language" header if WebDriver BiDi emulated language is present. #1869

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61a4217
Override "Accept-Language" header if WebDriver BiDi emulated language…
lutien Oct 22, 2025
7d60108
Update fetch.bs
lutien Oct 23, 2025
268b10f
Update fetch.bs
lutien Oct 23, 2025
b53ec8c
Fix indentation.
lutien Oct 23, 2025
15e5eb4
Merge some conditions.
lutien Oct 23, 2025
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26 changes: 22 additions & 4 deletions fetch.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -4659,10 +4659,28 @@ the response. [[!HTTP-CACHING]]
<var>request</var>'s <a for=request>header list</a>.
</ol>

<li><p>If <var>request</var>'s <a for=request>header list</a>
<a for="header list">does not contain</a> `<code>Accept-Language</code>`, then user agents should
<a for="header list">append</a> (`<code>Accept-Language</code>, an appropriate
<a for=/>header value</a>) to <var>request</var>'s <a for=request>header list</a>.
<li>
<p>If <var>request</var>'s <a for=request>header list</a> <a for="header list">does not contain</a> `<code>Accept-Language</code>`:

<ol>
<li>
<p>If <var>request</var>'s <a for=request>client</a> is non-null, then:

<ol>
<li><p>Let <var>emulatedLanguage</var> be the <span>WebDriver BiDi emulated language</span>
for <var>request</var>'s <a for=request>client</a>

<li><p>If <var>emulatedLanguage</var> is not null, <a for="header list">append</a>(`<code>Accept-Language</code>, <var>emulatedLanguage</var>)
to <var>request</var>'s <a for=request>header list</a>.

<li><p>Otherwise, user agents should <a for="header list">append</a> (`<code>Accept-Language</code>, an appropriate
<a for=/>header value</a>) to <var>request</var>'s <a for=request>header list</a>.
</ol>

<li><p>Otherwise, user agents should <a for="header list">append</a> (`<code>Accept-Language</code>, an appropriate
<a for=/>header value</a>) to <var>request</var>'s <a for=request>header list</a>.
</ol>


<li>
<p>If <var>request</var>'s <a for=request>internal priority</a> is null, then use
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