On Wed, 8 Jan 2025 23:47:10 GMT, Michael Strauß <mstra...@openjdk.org> wrote:

>> The CSS Selectors specification defines the `:root` pseudo-class that 
>> matches root nodes:
>> https://www.w3.org/TR/selectors-4/#the-root-pseudo
>> 
>> JavaFX uses the non-standard `.root` style class for the same purpose. We 
>> should also support the `:root` pseudo-class for increased compatibility of 
>> JavaFX CSS with the web specification.
>> 
>> Additionally, we should also support the following child-indexed 
>> pseudo-classes:
>> `:first-child`
>> `:last-child`
>> `:only-child`
>> `:nth-child()` with arguments `even` and `odd`
>> 
>> The `An+B [of S]?` microsyntax for `:nth-child()` is not supported, as this 
>> would require major changes in JavaFX CSS.
>
> Michael Strauß has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   updated cssref

> Is there any thinkable use case where someone would need to front-insert a 
> large number of nodes one by one into a container, instead of using a bulk 
> operation? Because if there isn't, and it's just a simple change to do the 
> right thing, then we could also consider adding a javadoc note to that effect.

Not that I can think of. And this seems a reasonable approach. I also would 
hate to throw this out because of an uncommon usage case that has a reasonable 
alternative.

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PR Comment: https://git.openjdk.org/jfx/pull/1652#issuecomment-2581085826

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