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Fix upgrade particular elements within a document again #11261

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Apr 28, 2025
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Fix upgrade particular elements within a document again #11261

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19 changes: 10 additions & 9 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -74003,11 +74003,11 @@ dictionary <dfn dictionary>ElementDefinitionOptions</dfn> {

<li><p>If <span>this</span>'s <span>is scoped</span> is true, then for each <var>document</var>
of <span>this</span>'s <span>scoped document set</span>: <span>upgrade particular elements within
a document</span> given <var>document</var>, <var>definition</var>, and
a document</span> given <span>this</span>, <var>document</var>, <var>definition</var>, and
<var>localName</var>.</p></li>

<li><p>Otherwise, <span>upgrade particular elements within a document</span> given
<span>this</span>'s <span>relevant global object</span>'s <span
<span>this</span>, <span>this</span>'s <span>relevant global object</span>'s <span
data-x="concept-document-window">associated <code>Document</code></span>, <var>definition</var>,
<var>localName</var>, and <var>name</var>.</p></li>

Expand All @@ -74025,16 +74025,17 @@ dictionary <dfn dictionary>ElementDefinitionOptions</dfn> {
</li>
</ol>

<p>To <dfn>upgrade particular elements within a document</dfn> given a <code>Document</code>
object <var>document</var>, a <span>custom element definition</span> <var>definition</var>, a
string <var>localName</var>, and optionally a string <var>name</var> (default
<var>localName</var>):</p>
<p>To <dfn>upgrade particular elements within a document</dfn> given a
<code>CustomElementRegistry</code> object <var>registry</var>, a <code>Document</code> object
<var>document</var>, a <span>custom element definition</span> <var>definition</var>, a string
<var>localName</var>, and optionally a string <var>name</var> (default <var>localName</var>):</p>

<ol>
<li><p>Let <var>upgradeCandidates</var> be all elements that are <span data-x="shadow-including
descendant">shadow-including descendants</span> of <var>document</var>, whose namespace
is the <span>HTML namespace</span> and whose local name is <var>localName</var>, in
<span>shadow-including tree order</span>. Additionally, if <var>name</var> is not
descendant">shadow-including descendants</span> of <var>document</var>, whose <span
data-x="element-custom-element-registry">custom element registry</span> is <var>registry</var>,
whose namespace is the <span>HTML namespace</span>, and whose local name is <var>localName</var>,
in <span>shadow-including tree order</span>. Additionally, if <var>name</var> is not
<var>localName</var>, only include elements whose <span data-x="concept-element-is-value"><code
data-x="">is</code> value</span> is equal to <var>name</var>.</p></li>

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