···117117 processes it as usual).
118118- For other sites, the link remains functional and will link to your book's website.
119119120120-<!-- prettier-ignore-start -->
120120+> [!NOTE]
121121+>
122122+> You may notice that the `book-url` option is repeating mdBook's builtin
123123+> [`output.html.site-url`] option. There is currently an issue that prevents
124124+> preprocessors from properly reusing the builtin option during `mdbook serve`.
121125126126+<!-- prettier-ignore-start -->
127127+[`output.html.site-url`]: https://rust-lang.github.io/mdBook/format/configuration/renderers.html#html-renderer-options
122128[mdbook-include]: https://rust-lang.github.io/mdBook/format/mdbook.html#including-files
123129[trailing-slash]: https://github.com/slorber/trailing-slash-guide?tab=readme-ov-file#trailing-slash-guide
124124-125130<!-- prettier-ignore-end -->