3 ms·Patch: 1985 SGML: 1986by kevin_thibedeau 6mo agoPatch: 1985 SGML: 1986thesz 6mo agoXML: 1996em-bee 6mo agowhat are you suggesting? XML is a simplified form of SGML. an SGML parser can parse XML so it was already possible to write an XML like document before XML was defined.