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[Changelog] add additional note for upgrading with lasso compat

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CHANGELOG.md
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@ -9,6 +9,7 @@
* The `interning` module has been rewritten. It now provides fuctions for obtaining a default interner (`new_interner` and `new_threaded_interner`) and provides a small, dependency-free interner implementation. * The `interning` module has been rewritten. It now provides fuctions for obtaining a default interner (`new_interner` and `new_threaded_interner`) and provides a small, dependency-free interner implementation.
* Compatibility with other interners can be enable via feature flags. * Compatibility with other interners can be enable via feature flags.
* **Note** that compatibilty with `lasso` is not enabled by default. Use the `lasso_compat` feature to match the previous default. * **Note** that compatibilty with `lasso` is not enabled by default. Use the `lasso_compat` feature to match the previous default.
* If you are using `lasso` interners directly that you are also passing to `cstree`, note that while e.g. the `GreenNodeBuilder` can work with `lasso::Rodeo`s, you will not be able to convert between `lasso`'s `Spur` and `cstree`'s `TokenKey`. The `TokenKey` can, however, be used as the key type for `lasso` interners at no additional cost by working wiht a `Rodeo<TokenKey>` instead of the `lasso`-default `Rodeo<Spur>`.
* Introduced `Syntax::static_text` to optimize tokens that always appear with the same text (estimated 10-15% faster tree building when used, depending on the ratio of static to dynamic tokens). * Introduced `Syntax::static_text` to optimize tokens that always appear with the same text (estimated 10-15% faster tree building when used, depending on the ratio of static to dynamic tokens).
* Since `cstree`s are lossless, `GreenNodeBuilder::token` must still be passed the source text even for static tokens. * Since `cstree`s are lossless, `GreenNodeBuilder::token` must still be passed the source text even for static tokens.
* Internal performance improvements for up to 10% faster tree building by avoiding unnecessary duplication of elements. * Internal performance improvements for up to 10% faster tree building by avoiding unnecessary duplication of elements.