@@ -2509,22 +2509,31 @@ No Privacy issues have been raised against this document.
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Changes {#changes}
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=======
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- Significant changes since the <a href="https://www.w3.org/TR/2024/WD-css-anchor-position-1-20240326/">26 March 2024 Working Draft</a> :
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-
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- * Renamed <css> inset-area</css> to 'position-area'
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- * Added ''position-anchor: auto''
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- to use the [=implicit anchor element=] as the [=default anchor element=]
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- * Added top-layer details to the [=acceptable anchor element=] definition
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- * Removed the <css> implicit</css> keyword from the [=anchor functions=]
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- (omitting an anchor name does the same thing)
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- * Removed the "reduce the size of the available space" behavior from ''anchor-center'' ,
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- now that Align defines how to shift to avoid overflow.
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- * Added 'position-visibility' , to hide the positioned element in some cases.
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- * Added a11y guidance ([[#accessibility]] )
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- * Expanded the set of properties that ''anchor-size()'' is used in
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- (to all the relevant [=accepted @position-try properties=] ).
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- * Renamed <css> position-try-options</css> to 'position-try-fallbacks'
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- * Removed the <css> inset-area()</css> function from 'position-try-fallbacks'
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- (you just use a 'position-area' value directly now).
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- * Defined how to [=swap due to a try-tactic=] .
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- * Expanded the details of how to [=determine position fallback styles=] .
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+ Significant changes since the <a href="https://www.w3.org/TR/2024/WD-css-anchor-position-1-20241004/">4 March October 2024 Working Draft</a> :
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+ * Switched the center track for 'position-area' to default to 'align-self/center' ' alignment.
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/11803">Issue 11803</a> )
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+ * Defined the [=implicit anchor element=] of [=pseudo-elements=] to be their [=originating element=] .
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/11792">Issue 11792</a> )
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+ * Rewrote how scrolling is handled and responded to ([[#scroll]] ),
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+ so that the positioned element can respond to its anchors being scrolled <em> when possible</em>
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+ (when the positioned element is first rendered, or changes fallbacks).
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/10999">Issue 10999</a> )
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+ * Rebased 'position-visibility' to use the newly defined ''visibility: force-hidden'' value
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+ instead of creating a custom concept,
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+ in order to better enable transitions.
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/10182">Issue 10182</a> )
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+ * Fixed some errors in the anchor resolution algorithm.
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/11030">Issue 11030</a> ,
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+ <a href="https://github.com/w3c/csswg-drafts/issues/11170">Issue 11170</a> )
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+ * Fixed some errors in the list of <<position-area>> keywords.
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/11372">Issue 11372</a> ,
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+ <a href="https://github.com/w3c/csswg-drafts/issues/11371">Issue 11371</a> )
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+ * Defined that 'anchor-scope' idents are [=tree-scoped names=] (and thus compare specially with [=anchor names=] ).
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/10526">Issue 10526</a> )
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+ * Clarified that the [=computed value=] of 'position-area' does not distinguish long and short forms of logical keywords.
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/11828">Issue 11828</a> )
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+ * Clarified that certain ''anchor()'' resolaveability checks are at [=computed value=] time, not parse time.
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+ (<a href="https://github.com/w3c/csswg-drafts/issues/10955">Issue 10955</a> )
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+ * Editorial reorganization of sections, particularly [[#position-area]] .
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+
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+ See also <a href="https://www.w3.org/TR/2024/WD-css-anchor-position-1-20241004/#changes">Previous Changes</a> .
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