picol: A Tcl interpreter in 500 lines of code

It appears that the article in question is about "Picol", a project created by antirez on GitHub. Unfortunately, I don't have the ability to access the content of the article directly. However, based on the information you provided, here is a possible summary for a newsletter: **Open-Source Project Spotlight: Picol** A new open-source project called Picol has been gaining attention on GitHub, with 16 points and 12 comments on Hacker News. Created by antirez, Picol is a project that has sparked interest in the developer community. Unfortunately, without more information, it's difficult to provide a detailed summary. If you're interested in learning more, you can visit the GitHub page or join the conversation on Hacker News. We'll keep an eye on this project and provide updates if more information becomes available.