Simon Willison’s Weblog

4th July 2009 - Link Blog

Jeffrey Zeldman: XHTML WTF. Reading the comments, it’s scary how many people are totally ill-informed about HTML5 and XHTML5.

Posted 4th July 2009 at 1:22 am

Recent articles

Meta's new model is Muse Spark, and meta.ai chat has some interesting tools - 8th April 2026
Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
The Axios supply chain attack used individually targeted social engineering - 3rd April 2026

This is a link post by Simon Willison, posted on 4th July 2009.

education 28 html5 84 jeffrey-zeldman 23 web-standards 49 xhtml 52 xhtml5 2

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe