Over the past thirty years I have written five technical books, co-written three others, and edited a further six. Since 2007 they have all lived in GitHub repositories, as did the first versions of the Software Carpentry lessons that I helped to write. A few months ago I wrote about the GitHub issue labels I use for writing projects like these. As I put that post together, I realized that I wasn’t actually using all of the labels I had created, and that the problem of choosing good labels for a mixture of code and prose is more complicated than it …