Last year I wrote a post listing what I had been doing in 2018, because it turned out it was a lot, so much that it was useful to summarise it somewhat. This year there is less to report, but people have wondered what I’ve been up to. And I’ve learned that if you leave room for speculation about your intentions,...

The CLHS, or Common Lisp HyperSpec, is one of the most important resource for any Common Lisp developer. It is derived from the official Common Lisp standard, and contains documentation for every aspect of the language. While it is currently made available online by LispWorks, it can be useful to be able to access...