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Wasn't HTML4 the last one defined as a SGML DTD? 5 and on is its own beast. (rip XHTML)
by shawn_w 1y ago
Wasn't HTML4 the last one defined as a SGML DTD? 5 and on is its own beast.
(rip XHTML)
- gldrk 1y agoYou are right. There is a third-party DTD that should be mostly compatible (https://sgmljs.sgml.net/docs/html5.html https://sgmljs.sgml.net/docs/html5.html). In reality, HTML4 was never implemented to the letter by user agents, because people do things like putting -- inside comments.