Simon Willison’s Weblog

How to Design (Declarative) Programming Languages (via) Language design 101

Posted 4th December 2003 at 10:05 pm

Recent articles

ChatGPT agent's user-agent - 4th August 2025
The ChatGPT sharing dialog demonstrates how difficult it is to design privacy preferences - 3rd August 2025
Reverse engineering some updates to Claude - 31st July 2025

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