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Drop a node the adoption agency cannot reinsert #12709

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Original file line number Diff line number Diff line change
Expand Up @@ -3323,8 +3323,9 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-descendant">descendant</dfn>,
<dfn data-x="concept-shadow-including-ancestor" data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-ancestor">shadow-including ancestor</dfn>,
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-descendant">shadow-including descendant</dfn>,
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-inclusive-descendant">shadow-including inclusive descendant</dfn>, and
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-inclusive-ancestor">shadow-including inclusive ancestor</dfn> concepts</li>
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-inclusive-descendant">shadow-including inclusive descendant</dfn>,
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-shadow-including-inclusive-ancestor">shadow-including inclusive ancestor</dfn>, and
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-host-including-inclusive-ancestor">host-including inclusive ancestor</dfn> concepts</li>
<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-first-child">first child</dfn>,
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-last-child">last child</dfn>,
<dfn data-x-href="https://dom.spec.whatwg.org/#concept-tree-next-sibling">next sibling</dfn>,
Expand All @@ -3343,7 +3344,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<li>The <dfn data-x="finding flattened slottables" data-x-href="https://dom.spec.whatwg.org/#find-flattened-slotables">find flattened slottables</dfn> algorithm</li>
<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#slottable-manual-slot-assignment">manual slot assignment</dfn> concept</li>
<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#assign-a-slot">assign a slot</dfn> algorithm</li>
<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-node-pre-insert">pre-insert</dfn>, <dfn data-x="concept-node-insert" data-x-href="https://dom.spec.whatwg.org/#concept-node-insert">insert</dfn>, <dfn data-x="concept-node-append" data-x-href="https://dom.spec.whatwg.org/#concept-node-append">append</dfn>, <dfn data-x="concept-node-replace" data-x-href="https://dom.spec.whatwg.org/#concept-node-replace">replace</dfn>, <dfn data-x="concept-node-replace-all" data-x-href="https://dom.spec.whatwg.org/#concept-node-replace-all">replace all</dfn>, <dfn data-x-href="https://dom.spec.whatwg.org/#string-replace-all">string replace all</dfn>, <dfn data-x="concept-node-remove" data-x-href="https://dom.spec.whatwg.org/#concept-node-remove">remove</dfn>, and <dfn data-x="concept-node-adopt" data-x-href="https://dom.spec.whatwg.org/#concept-node-adopt">adopt</dfn> algorithms for nodes</li>
<li>The <dfn data-x-href="https://dom.spec.whatwg.org/#concept-node-pre-insert">pre-insert</dfn>, <dfn data-x-href="https://dom.spec.whatwg.org/#concept-node-ensure-pre-insertion-validity">ensure pre-insert validity</dfn>, <dfn data-x="concept-node-insert" data-x-href="https://dom.spec.whatwg.org/#concept-node-insert">insert</dfn>, <dfn data-x="concept-node-append" data-x-href="https://dom.spec.whatwg.org/#concept-node-append">append</dfn>, <dfn data-x="concept-node-replace" data-x-href="https://dom.spec.whatwg.org/#concept-node-replace">replace</dfn>, <dfn data-x="concept-node-replace-all" data-x-href="https://dom.spec.whatwg.org/#concept-node-replace-all">replace all</dfn>, <dfn data-x-href="https://dom.spec.whatwg.org/#string-replace-all">string replace all</dfn>, <dfn data-x="concept-node-remove" data-x-href="https://dom.spec.whatwg.org/#concept-node-remove">remove</dfn>, and <dfn data-x="concept-node-adopt" data-x-href="https://dom.spec.whatwg.org/#concept-node-adopt">adopt</dfn> algorithms for nodes</li>
<li>The <dfn data-x="concept-tree-descendant" data-x-href="https://dom.spec.whatwg.org/#concept-tree-descendant">descendant</dfn> concept</li>
<li>The <dfn data-x="concept-node-insert-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-insert-ext">insertion steps</dfn>,
<li>The <dfn data-x="concept-node-post-connection-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-post-connection-ext">post-connection steps</dfn>,
Expand Down Expand Up @@ -147003,8 +147004,32 @@ document.body.appendChild(text);
<li><p>Let <var>insertionLocation</var> be <var>commonAncestor</var>, after its last child, if
any.</p></li>

<li><p>Insert whatever <var>lastNode</var> ended up being in the previous step at the
<span>adjusted insertion location</span> given <var>insertionLocation</var>.</p></li>
<li><p>Let <var>adjustedInsertionLocation</var> be the <span>adjusted insertion location</span>
given <var>insertionLocation</var>.</p></li>

<li>
<p>If either of the following is true:</p>

<ul>
<li><var>lastNode</var> is a <span>host-including inclusive ancestor</span> of the node in
which <var>adjustedInsertionLocation</var> finds itself; or</li>

<li>the node in which <var>adjustedInsertionLocation</var> finds itself is a
<code>Document</code> node that already has an element child,</li>
</ul>

<p>then <span data-x="concept-node-remove">remove</span> <var>lastNode</var>.</p>

<p>Otherwise:</p>

<ol>
<li><p><span>Assert</span>: <span>ensure pre-insert validity</span> given
<var>lastNode</var>, the node in which <var>adjustedInsertionLocation</var> finds itself,
null, and « » does not throw.</p></li>

<li><p>Insert <var>lastNode</var> at <var>adjustedInsertionLocation</var>.</p></li>
</ol>
</li>

<li><p><span>Create an element for the token</span> for which <var>formattingElement</var> was created,
in the <span>HTML namespace</span>, with <var>furthestBlock</var> as the intended parent.</p></li>
Expand Down
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