License

This book is dedicated to the public domain under CC0 1.0 Universal.

To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this work.

You can copy, modify, distribute, and use the work, even for commercial purposes, all without asking permission. You do not need to credit the authors. You do not need to ask first. The full legal text is in the LICENSE file at the repository root.