It's also not a tag, but an SGML (?) directive (specifically a https://en.wikipe... | Hacker News

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		svieira on July 30, 2024 \| parent \| context \| favorite \| on: FastHTML – Modern web applications in pure Python It's also not a tag, but an SGML (?) directive (specifically a https://en.wikipedia.org/wiki/Document_type_definition) and so it is in fact invalid to produce a closing tag.

electroly on July 30, 2024 | [–]

HTML5's HTML syntax is no longer SGML-based. It's still invalid but no longer because of anything related to SGML; now it's simply because the HTML5 spec says so.

vdfs on July 30, 2024 | [–]

https://stackoverflow.com/q/23005510/3896300

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