picol: A Tcl interpreter in 500 lines of code

It appears that you've provided a GitHub link and a Hacker News discussion link, but not the actual article content. However, based on the information given, I can provide a brief summary for a newsletter: **New Open-Source Project: PicoL** A new open-source project called PicoL has been released on GitHub by antirez. The project has garnered significant attention on Hacker News, with 102 points and 48 comments. Although the details of the project are not provided, it's clear that the community is interested in exploring PicoL further. To learn more, you can visit the GitHub repository and join the discussion on Hacker News.