4 ms·
No. It's not in the spec, and in almost 30 years of web development, this might be the first time I've ever seen someone use a closing tag for it.
by bdcravens 2y ago
No. It's not in the spec, and in almost 30 years of web development, this might be the first time I've ever seen someone use a closing tag for it.
- svieira 2y agoIt's also not a tag, but an SGML (?) directive (specifically a https://en.wikipedia.org/wiki/Document_type_definition https://en.wikipedia.org/wiki/Document_type_definition) and so it is in fact invalid to produce a closing tag.