Contributions to this repository are intended to become part of software
licensed under the [3-clause BSD License](https://opensource.org/licenses/BSD-3-Clause).

If you are not the sole contributor to a contribution (pull request), please
identify all contributors in the pull request comment.

To add a contributor (other than yourself, that's automatic), mark them one
per line as follows:

```
+@github_username
```

If you added a contributor by mistake, you can remove them in a comment with:

```
-@github_username
```

If you are making a pull request on behalf of someone else but you had no part
in designing the feature, you can remove yourself with the above syntax.

For detailed guidelines on how to contribute to EPUBCheck, please refer to the
[contributing guidelines](https://github.com/w3c/epubcheck/wiki/Contribute).