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Allow HTTP scheme fetches to make CORS preflight for navigations #1785

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Allow HTTP scheme fetches to make CORS preflight for navigations #1785

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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 @@ -5106,7 +5106,13 @@ steps:
<p>When in doubt, return a <a>network error</a>.

<dt><a>HTTP(S) scheme</a>
<dd><p>Return the result of running <a>HTTP fetch</a> given <var>fetchParams</var>.
<dd>
<ol>
<li><p>Let <var>forNavigation</var> be true if <a for=request>mode</a> is
<code>navigate</code>; false otherwise.
<li><p>Return the result of running <a>HTTP fetch</a> given <var>fetchParams</var> and
<var>forNavigation</var>.
</ol>
</dl>

<li><p>Return a <a for=/>network error</a>.
Expand All @@ -5118,7 +5124,7 @@ steps:

<div algorithm>
<p>To <dfn export id=concept-http-fetch>HTTP fetch</dfn>, given a <a for=/>fetch params</a>
<var>fetchParams</var> and an optional boolean <var>makeCORSPreflight</var> (default false), run
<var>fetchParams</var> and an optional boolean <var>allowCORS</var> (default false), run
these steps:
<!-- This is exported for service workers, but that specification only mentions it in passing. -->

Expand Down Expand Up @@ -5218,7 +5224,7 @@ these steps:

<ol>
<li>
<p>If <var>makeCORSPreflight</var> is true and one of these conditions is true:
<p>If <var>allowCORS</var> is true and one of these conditions is true:

<ul class=brief>
<li><p>There is no <a>method cache entry match</a> for <var>request</var>'s
Expand Down