XML vs HTML: Differences and similarities. Shivam Bhatele. August 27, 2022 1:10 PM Image Credit: angelhell ... HTML has a brief syntax and produces formatted text. Parsing in JavaScript; ...

The trouble is that the statement “100% XML-compliant” refers only to the syntax, not the spirit. It is entirely possible to create closed, proprietary IT systems that are 100% XML based.

HTML has specific syntax and semantics to address presentation issues like layout, fonts, and so on. XML is stricter as is XHTML. XML requires well-formed data (Fig. 3) .