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This fixes an issue where `mdbook serve` would repeatedly show an error message every second if the `output.html` config had a problem. The issue is that `set_roots` was doing more work than I realized. It is not necessary to call it every time in the main polling loop, since the roots only change when the book configuration changes. The solution is to just reset the roots whenever the book config changes. Fixes https://github.com/rust-lang/mdBook/issues/2946
mdBook
mdBook is a utility to create modern online books from Markdown files.
Check out the User Guide for a list of features and installation and usage information. The User Guide also serves as a demonstration to showcase what a book looks like.
If you are interested in contributing to the development of mdBook, check out the Contribution Guide.
License
All the code in this repository is released under the Mozilla Public License v2.0, for more information take a look at the LICENSE file.