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Chapter 37. Toward XML > Is XML Just HTML All Over Again?

Is XML Just HTML All Over Again?

XML is a language of tags and attributes much like HTML, but an HTML mutated almost beyond recognition. XML is HTML on steroids.

XML is far more structured than HTML. Where HTML processors routinely accept wildly inaccurate and malformed code and attempt to make sense of it on the screen, XML is required to abort when it encounters a fatal error, which is almost any error at all. This is a throwback to the early days of data processing in some ways, when any error in code was punished with a core dump that you could spend hours deciphering. Expect to spend a bit more time debugging XML than you have previously spent on HTML.


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