License & Credits

The information on this page applies only to the website hosted on the cahamo subdomain of



The site and its original source code are copyright © 2024 by Peter Johnson.


The content of the website is licensed under the Creative Commons Attribution 4.0 International (CC BY-4.0) license.

The site's source code is licensed under the MIT License. It is maintained in the cahamo/ repository on GitHub.


The site is generated using Jekyll and is hosted by GitHub Pages.

Third Party Code

The site uses the following 3rd party code. Some is linked to by each web page while other code is included with the site source code.

  • Bootstrap v4 (provided by the jsdelivr CDN). Copyright © 2018, Twitter. Licensed under the MIT license.
  • jQuery v3.5 slim (provided by the jQuery CDN), Copyright © OpenJS Foundation and other contributors. Licensed under the MIT License.
  • cookie consent code (provided by the jsdelivr CDN).
  • Roboto, Roboto Condensed & Roboto Mono, fonts (provided by the Google Fonts CDN). All copyright © Christian Robertson. Licensed under the Apache License, Version 2.0
  • popper.js v1 (provided by the jsdelivr CDN). Copyright © Federico Zivolo 2020. Licensed under the MIT License.
  • highlight.js (customised version). Copyright © 2006, Ivan Sagalaev. Licensed under the BSD 3-Clause License.