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Address format review changes
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@@ -3233,7 +3233,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree">tree</dfn>, <dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-tree">shadow tree</dfn>, and <dfn data-x-href="https://dom.spec.whatwg.org/#concept-node-tree">node tree</dfn> concepts</li>
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-order">tree order</dfn> and <dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-tree-order">shadow-including tree order</dfn> concepts</li>
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-element" data-x="concept-element">element</dfn> concept</li>
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-child" data-x="concept-tree-child">child</dfn> concept</li>
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-child" data-x="concept-tree-child">child</dfn> and <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-child" data-x="concept-tree-last-child">last child</dfn> concepts</li>
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-root">root</dfn> and <dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-root">shadow-including root</dfn> concepts</li>
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<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor">inclusive ancestor</dfn>,
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<dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-descendant">descendant</dfn>,
@@ -79852,7 +79852,7 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
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<p>The order within a <span>tabindex-ordered focus navigation scope</span> is determined by each
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element's <span>tabindex value</span> and, for <span>reading-flow focus navigation scope</span>,
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by the special rules provided by the <span>sequential navigation search algorithm</span>. The
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<span>tabindex value</span> should take precedence over <span>reading flow</span>.</p>
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<span>tabindex value</span> takes precedence over <span>reading flow</span>.</p>
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<p class="note">The rules there do not give a precise ordering, as they are composed mostly of
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"<!--non-normative-->should" statements and relative orderings.</p>
@@ -80783,21 +80783,19 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
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focusable</span>.</p>
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</li>
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<li>
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<p>If <var>candidate</var> is a <span data-x="reading-flow-item">reading flow item</span> or
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null, <var>direction</var> is <i>forward</i>, and <var>starting point</var> is in a
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<span>reading-flow focus navigation scope</span> <var>scope</var>, then let <var>new
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candidate</var> be the result of running the <span>reading flow sequential navigation search
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algorithm</span> with <var>candidate</var> as the first argument, <var>direction</var> as the
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second, and <var>starting point</var>'s focus navigation <var>scope</var> as the third.</p>
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<li><p>If <var>candidate</var> is a <span data-x="reading-flow-item">reading flow item</span> or
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null, <var>direction</var> is <i>forward</i>, and <var>starting point</var> is in a
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<span>reading-flow focus navigation scope</span> <var>scope</var>, then let <var>new
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candidate</var> be the result of running the <span>reading flow sequential navigation search
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algorithm</span> given <var>candidate</var>, <var>direction</var>, and <var>starting
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point</var>'s focus navigation <var>scope</var>.</p></li>
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<p>If <var>starting point</var> is a <span data-x="reading-flow-item">reading flow item</span>,
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<var>direction</var> is <i>backward</i>, and <var>starting point</var> is in a
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<span>reading-flow focus navigation scope</span> <var>scope</var>, then let <var>new
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candidate</var> be the result of running the <span>reading flow sequential navigation search
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algorithm</span> with <var>starting point</var> as the first argument, <var>direction</var> as
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the second, and <var>starting point</var>'s focus navigation <var>scope</var> as the third.</p>
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</li>
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<li><p>If <var>starting point</var> is a <span data-x="reading-flow-item">reading flow
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item</span>, <var>direction</var> is <i>backward</i>, and <var>starting point</var> is in a
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<span>reading-flow focus navigation scope</span> <var>scope</var>, then let <var>new
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candidate</var> be the result of running the <span>reading flow sequential navigation search
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algorithm</span> given <var>starting point</var>, <var>direction</var>, and <var>starting
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point</var>'s focus navigation <var>scope</var>.</p></li>
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<li>
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<p>If <var>candidate</var> is a <span>navigable container</span> with a non-null <span>content
@@ -80828,57 +80826,49 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
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area</span>-or-null.</p>
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<ol>
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<li>
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Let <var>reading flow items</var> be the list of <span data-x="reading-flow-item">reading flow
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items</span> owned by <var>scope</var>, sorted in <span>reading flow</span>.
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</li>
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<li>
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If <var>reading flow items</var> is empty, return null.
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</li>
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<li>If <var>direction</var> is <i>forward</i>, then:
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<ol>
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<li>
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If <var>current</var> is the <span data-x="reading-flow-item">reading flow item</span> from
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<var>reading flow items</var> that comes first in <span>tree order</span>, return first
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item in <var>reading flow items</var>.
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</li>
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<li>
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If <var>current</var> is null, let <var>previous</var> be the <span
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<li><p> Let <var>reading flow items</var> be the list of <span
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data-x="reading-flow-item">reading flow items</span> owned by <var>scope</var>, sorted in
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<span>reading flow</span>.</p></li>
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<li><p>If <var>reading flow items</var> is empty, then return null.</p></li>
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<li>
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<p>If <var>direction</var> is <i>forward</i>, then:</p>
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<ol>
80838+
<li><p>If <var>current</var> is the <span data-x="reading-flow-item">reading flow
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item</span> from <var>reading flow items</var> that comes first in <span>tree order</span>,
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return first item in <var>reading flow items</var>.</p></li>
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<li><p>If <var>current</var> is null, let <var>previous</var> be the <span
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data-x="reading-flow-item">reading flow item</span> from <var>reading flow items</var> that
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comes last in <span>tree order</span>.
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</li>
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<li>
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Otherwise, let <var>previous</var> be the <span data-x="reading-flow-item">reading flow
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item</span> that comes before <var>current</var> in <span>tree order</span>.
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</li>
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<li>
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If <var>previous</var> is the last item in <var>reading flow items</var>, return null.
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</li>
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<li>
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Otherwise, return the <span data-x="reading-flow-item">reading flow item</span> that comes
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after <var>previous</var> in <var>reading flow items</var>.
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</li>
80861-
</ol>
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comes last in <span>tree order</span>.</p></li>
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<li><p>Otherwise, let <var>previous</var> be the <span data-x="reading-flow-item">reading
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flow item</span> that comes before <var>current</var> in <span>tree order</span>.</p></li>
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80849+
<li><p>If <var>previous</var> is the last item in <var>reading flow items</var>, then return
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null. </p></li>
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<li><p>Otherwise, return the <span data-x="reading-flow-item">reading flow item</span> that
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comes after <var>previous</var> in <var>reading flow items</var>.</p></li>
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</ol>
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</li>
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<li>Otherwise:
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<ol>
80865-
<li>
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Let <var>previous</var> be the item that comes before <var>current</var> in <var>reading
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flow items</var>.
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</li>
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<li>
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If <var>previous</var> is null, return null.
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</li>
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<li>
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Otherwise, if <var>previous</var> does not have any <span>descendant</span>, return
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<var>previous</var>.
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</li>
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<li>
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Otherwise, return the last <span>descendant</span> of <var>previous</var>.
80878-
</li>
80879-
</ol>
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<li>
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<p>Otherwise:</p>
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<ol>
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<li><p>Let <var>previous</var> be the <span data-x="list item">item</span> preceding
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<var>current</var> in <var>reading flow items</var> if one exists, and null
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otherwise.</p></li>
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</li>
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<li><p>If <var>previous</var> is null, then return null.</p></li>
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80865+
<li><p>Otherwise, if <var>previous</var> does not have a <span
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data-x="concept-tree-child">child</span>, return <var>previous</var>.</p></li>
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80868+
<li><p>Otherwise, return the <span data-x="concept-tree-last-child">last child</span> of
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<var>previous</var>.</p></li>
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</ol>
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</li>
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</ol>
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</div>

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