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Add "precustomized" custom element state #894

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merged 5 commits into from
Sep 28, 2020
Merged

Add "precustomized" custom element state #894

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9318a88
Add "precustomized" state
mfreed7 Sep 16, 2020
f63d8cf
Address review comments
mfreed7 Sep 25, 2020
cf4f0db
Custom element definition should include "precustomized"
mfreed7 Sep 25, 2020
ee36e05
Remove precustomized from "custom" definition
mfreed7 Sep 25, 2020
7431705
formatting
annevk Sep 28, 2020
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16 changes: 8 additions & 8 deletions dom.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -5875,19 +5875,19 @@ dictionary ShadowRootInit {
initialized.

<p>An <a for=/>element</a>'s <a for=Element>custom element state</a> is one of
"<code>undefined</code>", "<code>failed</code>", "<code>uncustomized</code>", or
"<code>custom</code>". An <a for=/>element</a> whose <a for=Element>custom element state</a> is
"<code>uncustomized</code>" or "<code>custom</code>" is said to be
<dfn export id=concept-element-defined for=Element>defined</dfn>. An <a for=/>element</a> whose
<a for=Element>custom element state</a> is "<code>custom</code>" is said to be
"<code>undefined</code>", "<code>failed</code>", "<code>uncustomized</code>",
"<code>precustomized</code>", or "<code>custom</code>". An <a for=/>element</a> whose
<a for=Element>custom element state</a> is "<code>uncustomized</code>" or "<code>custom</code>" is
said to be <dfn export id=concept-element-defined for=Element>defined</dfn>. An <a for=/>element</a>
whose <a for=Element>custom element state</a> is "<code>custom</code>" is said to be
<dfn export id=concept-element-custom for=Element>custom</dfn>.

<p class=note>Whether or not an element is <a for=Element>defined</a> is used to determine the
behavior of the '':defined'' pseudo-class. Whether or not an element is <a for=Element>custom</a> is
used to determine the behavior of the <a href=#mutation-algorithms>mutation algorithms</a>. The
"<code>failed</code>" state is used to ensure that if a <a>custom element constructor</a> fails to
execute correctly the first time, it is not executed again by an
<a lt="upgrade an element">upgrade</a>.</p>
"<code>failed</code>" and "<code>precustomized</code>" states are used to ensure that if a
<a>custom element constructor</a> fails to execute correctly the first time, it is not executed
again by an <a lt="upgrade an element">upgrade</a>.</p>

<div class=example id=example-c5b21302>
<p>The following code illustrates elements in each of these four states:</p>
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