@@ -622,9 +622,17 @@ efficient representation, as long as they also support an associated data struct
622622<dfn export for="header list" id=concept-header-list-hidden-range-value>hidden range value</dfn>
623623(null or a <a for=/>header value</a> ). It is initially null.
624624
625- <p class=note> This is for cases where a "<code> no-cors</code> " <a for=/>request</a> needs to include a
626- `<code> Range</code> ` header, but it can not be exposed via {{Headers}} . See <a for=request>add a range
627- header</a> .
625+ <div class=note>
626+ <p> This is for cases where a "<code> no-cors</code> " <a for=/>request</a> needs to include a
627+ `<code> Range</code> ` header, but it can not be exposed via {{Headers}} . It can be set by privileged
628+ APIs, and will be preserved if its associated request object is copied, but will be removed if the
629+ request is modified by unprivileged APIs.
630+
631+ <p> `<code> Range</code> ` headers are commonly used by <a lt="download the hyperlink">downloads</a>
632+ and <a lt="resource fetch algorithm">media fetches</a> .
633+
634+ <p> A helper is provided to <a for=request>add a range header</a> to a particular request.
635+ </div>
628636
629637<div algorithm>
630638<p> To <dfn export for="header list" id=concept-header-list-get-range-value>get the range value</dfn>
@@ -1161,23 +1169,6 @@ following is true:
11611169<p> A <dfn export>CORS non-wildcard request-header name</dfn> is a <a for=/>header name</a> that is a
11621170<a>byte-case-insensitive</a> match for `<code> Authorization</code> `.
11631171
1164- <p> A <dfn export>privileged no-CORS request-header name</dfn> is a <a for=/>header name</a> that is
1165- a <a>byte-case-insensitive</a> match for one of
1166-
1167- <ul class=brief>
1168- <li> `<code> Range</code> `.
1169- </ul>
1170-
1171- <div class=note>
1172- <p> These are headers that can be set by privileged APIs, and will be preserved if their associated
1173- request object is copied, but will be removed if the request is modified by unprivileged APIs.
1174-
1175- <p> `<code> Range</code> ` headers are commonly used by <a lt="download the hyperlink">downloads</a>
1176- and <a lt="resource fetch algorithm">media fetches</a> .
1177-
1178- <p> A helper is provided to <a for=request>add a range header</a> to a particular request.
1179- </div>
1180-
11811172<p> A <dfn export>CORS-safelisted response-header name</dfn> , given a <a for=/>list</a> of
11821173<a for=/>header names</a> <var> list</var> , is a <a for=/>header name</a> that is a
11831174<a>byte-case-insensitive</a> match for one of
@@ -8015,20 +8006,8 @@ value (for {{Headers/delete()}}) that always succeeds in <a>CORS-safelisted requ
80158006<div algorithm>
80168007<p> To
80178008<dfn for=Headers id=concept-headers-remove-privileged-no-cors-request-headers>remove privileged no-CORS request-headers</dfn>
8018- from a {{Headers}} object (<var> headers</var> ), run these steps:
8019-
8020- <ol>
8021- <li><p> <a for="list">For each</a> <var> headerName</var> of
8022- <a>privileged no-CORS request-header names</a> :
8023-
8024- <ol>
8025- <li><p> <a for="header list">Delete</a> <var> headerName</var> from <var> headers</var> 's
8026- <a for=Headers>header list</a> .
8027- </ol>
8028-
8029- <li><p> Set <var> headers</var> 's <a for=Headers>header list</a>' s
8030- <a for="header list">hidden range value</a> to null.
8031- </ol>
8009+ from a {{Headers}} object (<var> headers</var> ), set <var> headers</var> 's
8010+ <a for=Headers>header list</a> 's <a for="header list">hidden range value</a> to null.
80328011
80338012<p class=note> This is called when headers are modified by unprivileged code.
80348013</div>
@@ -8074,7 +8053,7 @@ method steps are to <a for=Headers>append</a> (<var>name</var>, <var>value</var>
80748053
80758054 <li><p> If <a>this</a> 's <a for=Headers>guard</a> is "<code> request-no-cors</code> ", <var> name</var>
80768055 is not a <a>no-CORS-safelisted request-header name</a> , and <var> name</var> is not a
8077- <a>privileged no-CORS request-header name </a> , then return.
8056+ <a>byte-case-insensitive </a> match for ` <code> Range </code> ` , then return.
80788057
80798058 <li><p> If <a>this</a> 's <a for=Headers>header list</a> <a for="header list">does not contain</a>
80808059 <var> name</var> , then return.
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