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Return a content-encoding header for resource timing and more #1796

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Return a content-encoding header for resource timing and more #1796

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2c939cb
Add Content Encoding response header to fetch.
guohuideng2024 Dec 11, 2024
dc2b573
Add more about content-encoding
guohuideng2024 Dec 12, 2024
7647a50
Remove a trailing space.
guohuideng2024 Dec 13, 2024
f7bdfa9
content-encoding always available
guohuideng2024 Dec 16, 2024
94ecd4c
Fix indentation and the "let" in the middle of sentence.
Jan 14, 2025
c8a0981
Merge branch 'whatwg:main' into main
guohuideng2024 Jan 21, 2025
a007614
Fix a number of issues:
Jan 21, 2025
46c10a9
Remove spurious new lines and correct a paragraph
Jan 22, 2025
a963008
Simply
Jan 22, 2025
16f1d1f
Fix: content-encoding not prohibited header.
Jan 23, 2025
c5c0f55
content-encoding should be a list of strings.
Jan 29, 2025
3c5eb46
Add the text about "filtering Content-Encoding".
Mar 7, 2025
f41fa1f
Move the filtering text.
Mar 7, 2025
17cdde2
restore a deleted empty line.
Mar 7, 2025
16ac25e
Add "Otherwise"
guohuideng2024 Mar 8, 2025
af1709e
Add an empty line.
guohuideng2024 Mar 8, 2025
f121d66
Change "content-type" in "body info" to a string.
guohuideng2024 Mar 8, 2025
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21 changes: 21 additions & 0 deletions fetch.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -370,6 +370,8 @@ following <a for=struct>items</a>: [[RESOURCE-TIMING]] [[NAVIGATION-TIMING]]
<dd>A number.
<dt><dfn export for="response body info">content type</dfn> (default the empty string)
<dd>An <a for=/>ASCII string</a>.
<dt><dfn export for="response body info">content encoding</dfn> (default the empty string)
<dd>An <a for=/>ASCII string</a>.
</dl>

<div algorithm>
Expand Down Expand Up @@ -6319,6 +6321,24 @@ optional boolean <var>forceNewConnection</var> (default false), run these steps:
<li><p>Let <var>codings</var> be the result of <a>extracting header list values</a> given
`<code>Content-Encoding</code>` and <var>response</var>'s <a for=response>header list</a>.

<li><p>Let <var>filteredCoding</var> be "<code>unknown</code>".

<li><p>If <var>codings</var> is null, set <var>filteredCoding</var> to the empty string.

<li><p>Otherwise, if <var>codings</var> contains two strings or more, set <var>filteredCoding</var> to
"<code>multiple</code>".

<li><p>Otherwise, if <var>codings[0]</var> is the empty string, or it is supported by the user agent,
and is listed in the <a href="https://www.iana.org/assignments/http-parameters/http-parameters.xhtml#content-coding">
content encoding registry on IANA</a>, set <var>filteredCoding</var> to <var>codings[0]</var>.

<p class='note'>
"<code>identity</code>" is never supported as a coding. See details
<a href="https://www.rfc-editor.org/rfc/rfc9110.html#name-content-encoding"> here</a>.

<li><p>Set <var>response</var>'s <a for=response>body info</a>'s
<a for="response body info">content encoding</a> to <var>filteredCoding</var>.

<li><p>Increase <var>response</var>'s <a for=response>body info</a>'s
<a for="response body info">encoded size</a> by <var>bytes</var>'s
<a for="byte sequence">length</a>.
Expand Down Expand Up @@ -9128,6 +9148,7 @@ Gavin Carothers,
Glenn Maynard,
Graham Klyne,
Gregory Terzian,
Guohui Deng(邓国辉)<!-- guohuideng2024; GitHub -->,
Hal Lockhart,
Hallvord R. M. Steen,
Harris Hancock,
Expand Down