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[css-view-transitions-1] Treat auto as an invalid value for view-transition-name #9764

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merged 3 commits into from
Jan 5, 2024
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[css-view-transitions-1] Treat auto as an invalid value for view-transition-name #9764

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[css-view-transitions-1] Treat `auto` as an invalid value
noamr Jan 4, 2024
b125969
Update css-view-transitions-1/Overview.bs
noamr Jan 5, 2024
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Add issue link
noamr Jan 5, 2024
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6 changes: 5 additions & 1 deletion css-view-transitions-1/Overview.bs
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Expand Up @@ -511,7 +511,7 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;

<pre class=propdef>
Name: view-transition-name
Value: none | <<custom-ident>>
Value: none | auto | <<custom-ident>>
Initial: none
Inherited: no
Percentages: n/a
Expand All @@ -534,6 +534,9 @@ urlPrefix: https://wicg.github.io/navigation-api/; type: interface;
: <dfn>none</dfn>
:: The [=/element=] will not participate independently in a view transition.

: <dfn>auto</dfn>
:: This should be treated as an invalid value, despite being a valid <<custom-ident>>. The property value remains unchanged.

: <dfn><<custom-ident>></dfn>
:: The [=/element=] participates independently in a view transition--
as either an old or new [=/element=]--
Expand Down Expand Up @@ -1940,6 +1943,7 @@ Changes from <a href="https://www.w3.org/TR/2023/WD-css-view-transitions-1-20230
* Copy `color-scheme` from DOM element to ''::view-transition-group()''. See <a href="https://github.com/w3c/csswg-drafts/issues/9276">issue 9276</a>.
* Expose [=auto-skip view transition=] for a {{Document}}, to allow having outbound cross-document transitions preceed programmatic view transiitons. see <a href="https://github.com/w3c/csswg-drafts/issues/9512">issue 9512</a>.
* Add a note about why 'view-transition-name' should be animatable.
* `view-transition-name: auto` should be an invalid value. See <a href="https://github.com/w3c/csswg-drafts/issues/9639">issue 9639</a>.

<h3 id="changes-since-2022-05-25">
Changes from <a href="https://www.w3.org/TR/2023/WD-css-view-transitions-1-20230525/">2022-05-25 Working Draft</a>
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