This project is part of the `build2` toolchain; see its [Community](https://build2.org/community.xhtml) page for various ways to contribute. The copyright for the code is held by the contributors of the code (see the `AUTHORS` file). The code is licensed under permissive open source licensing terms (see the `LICENSE` file). When you contribute code to this project, you license it under these terms. Before contributing please make sure that these terms are acceptable to you (and to your employer(s), if they have rights to intellectual property that you create) and that the code being contributed is your original creation. The revision history in the version control system is the primary source of authorship information for copyright purposes. If, however, you would like to also be noted explicitly, please include the appropriate change to the `AUTHORS` file along with your contribution.