Simon Willison’s Weblog

Why XML served as text/plain is not well-formed (via) Apparently plain text is intended to be displayed “as-is”.

Posted 7th July 2004 at 3:37 pm

Recent articles

JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

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