You're welcome and thanks for the feedback :) Yeah, the web version is always free for all of my ebooks. And you can find the markdown source on GitHub, for ex

You're welcome and thanks for the feedback :) Yeah, the web version is always free for all of my ebooks. And you can find the markdown source on GitHub, for example: https://github.com/learnbyexample/learn_gnuawk/blob/master/gnu_awk.md https://github.com/learnbyexample/learn_gnuawk/blob/master/g... I use `pandoc` to generate the PDF/EPUB versions from markdown. See my blog post https://learnbyexample.github.io/customizing-pandoc/ https://learnbyexample.github.io/customizing-pandoc/ for details.